1 | /* commands.c |
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2 | * Code for directives |
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3 | * Copyright (C) 1991-2003,2004,2005,2006,2010,2011,2012,2013,2014,2015 Olly Betts |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 | */ |
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19 | |
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20 | #ifdef HAVE_CONFIG_H |
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21 | #include <config.h> |
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22 | #endif |
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23 | |
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24 | #include <assert.h> |
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25 | #include <limits.h> |
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26 | #include <stddef.h> /* for offsetof */ |
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27 | |
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28 | #include <proj_api.h> |
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29 | |
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30 | #include "cavern.h" |
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31 | #include "commands.h" |
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32 | #include "datain.h" |
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33 | #include "date.h" |
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34 | #include "debug.h" |
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35 | #include "filename.h" |
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36 | #include "message.h" |
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37 | #include "netbits.h" |
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38 | #include "netskel.h" |
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39 | #include "out.h" |
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40 | #include "readval.h" |
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41 | #include "str.h" |
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42 | |
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43 | static void |
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44 | default_grade(settings *s) |
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45 | { |
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46 | /* Values correspond to those in bcra5.svx */ |
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47 | s->Var[Q_POS] = (real)sqrd(0.05); |
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48 | s->Var[Q_LENGTH] = (real)sqrd(0.05); |
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49 | s->Var[Q_COUNT] = (real)sqrd(0.05); |
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50 | s->Var[Q_DX] = s->Var[Q_DY] = s->Var[Q_DZ] = (real)sqrd(0.05); |
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51 | s->Var[Q_BEARING] = (real)sqrd(rad(0.5)); |
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52 | s->Var[Q_GRADIENT] = (real)sqrd(rad(0.5)); |
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53 | s->Var[Q_BACKBEARING] = (real)sqrd(rad(0.5)); |
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54 | s->Var[Q_BACKGRADIENT] = (real)sqrd(rad(0.5)); |
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55 | /* SD of plumbed legs (0.25 degrees?) */ |
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56 | s->Var[Q_PLUMB] = (real)sqrd(rad(0.25)); |
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57 | /* SD of level legs (0.25 degrees?) */ |
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58 | s->Var[Q_LEVEL] = (real)sqrd(rad(0.25)); |
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59 | s->Var[Q_DEPTH] = (real)sqrd(0.05); |
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60 | } |
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61 | |
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62 | static void |
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63 | default_truncate(settings *s) |
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64 | { |
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65 | s->Truncate = INT_MAX; |
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66 | } |
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67 | |
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68 | static void |
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69 | default_case(settings *s) |
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70 | { |
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71 | s->Case = LOWER; |
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72 | } |
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73 | |
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74 | static reading default_order[] = { Fr, To, Tape, Comp, Clino, End }; |
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75 | |
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76 | static void |
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77 | default_style(settings *s) |
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78 | { |
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79 | s->style = STYLE_NORMAL; |
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80 | s->ordering = default_order; |
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81 | s->dash_for_anon_wall_station = fFalse; |
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82 | } |
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83 | |
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84 | static void |
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85 | default_prefix(settings *s) |
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86 | { |
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87 | s->Prefix = root; |
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88 | } |
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89 | |
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90 | static void |
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91 | default_translate(settings *s) |
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92 | { |
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93 | int i; |
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94 | short *t; |
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95 | if (s->next && s->next->Translate == s->Translate) { |
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96 | t = ((short*)osmalloc(ossizeof(short) * 257)) + 1; |
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97 | memcpy(t - 1, s->Translate - 1, sizeof(short) * 257); |
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98 | s->Translate = t; |
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99 | } |
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100 | /* SVX_ASSERT(EOF==-1);*/ /* important, since we rely on this */ |
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101 | t = s->Translate; |
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102 | memset(t - 1, 0, sizeof(short) * 257); |
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103 | for (i = '0'; i <= '9'; i++) t[i] = SPECIAL_NAMES; |
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104 | for (i = 'A'; i <= 'Z'; i++) t[i] = SPECIAL_NAMES; |
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105 | for (i = 'a'; i <= 'z'; i++) t[i] = SPECIAL_NAMES; |
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106 | |
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107 | t['\t'] |= SPECIAL_BLANK; |
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108 | t[' '] |= SPECIAL_BLANK; |
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109 | t[','] |= SPECIAL_BLANK; |
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110 | t[';'] |= SPECIAL_COMMENT; |
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111 | t['\032'] |= SPECIAL_EOL; /* Ctrl-Z, so olde DOS text files are handled ok */ |
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112 | t[EOF] |= SPECIAL_EOL; |
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113 | t['\n'] |= SPECIAL_EOL; |
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114 | t['\r'] |= SPECIAL_EOL; |
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115 | t['*'] |= SPECIAL_KEYWORD; |
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116 | t['-'] |= SPECIAL_OMIT; |
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117 | t['\\'] |= SPECIAL_ROOT; |
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118 | t['.'] |= SPECIAL_SEPARATOR; |
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119 | t['_'] |= SPECIAL_NAMES; |
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120 | t['-'] |= SPECIAL_NAMES; /* Added in 0.97 prerelease 4 */ |
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121 | t['.'] |= SPECIAL_DECIMAL; |
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122 | t['-'] |= SPECIAL_MINUS; |
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123 | t['+'] |= SPECIAL_PLUS; |
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124 | #if 0 /* FIXME */ |
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125 | t['{'] |= SPECIAL_OPEN; |
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126 | t['}'] |= SPECIAL_CLOSE; |
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127 | #endif |
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128 | } |
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129 | |
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130 | void |
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131 | default_units(settings *s) |
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132 | { |
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133 | int quantity; |
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134 | for (quantity = 0; quantity < Q_MAC; quantity++) { |
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135 | if (TSTBIT(ANG_QMASK, quantity)) |
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136 | s->units[quantity] = (real)(M_PI / 180.0); /* degrees */ |
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137 | else |
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138 | s->units[quantity] = (real)1.0; /* metres */ |
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139 | } |
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140 | s->f_clino_percent = s->f_backclino_percent = fFalse; |
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141 | } |
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142 | |
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143 | void |
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144 | default_calib(settings *s) |
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145 | { |
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146 | int quantity; |
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147 | for (quantity = 0; quantity < Q_MAC; quantity++) { |
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148 | s->z[quantity] = (real)0.0; |
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149 | s->sc[quantity] = (real)1.0; |
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150 | } |
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151 | } |
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152 | |
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153 | static void |
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154 | default_flags(settings *s) |
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155 | { |
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156 | s->flags = 0; |
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157 | } |
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158 | |
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159 | extern void |
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160 | default_all(settings *s) |
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161 | { |
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162 | default_truncate(s); |
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163 | s->infer = 0; |
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164 | default_case(s); |
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165 | default_style(s); |
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166 | default_prefix(s); |
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167 | default_translate(s); |
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168 | default_grade(s); |
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169 | default_units(s); |
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170 | default_calib(s); |
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171 | default_flags(s); |
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172 | } |
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173 | |
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174 | char *buffer = NULL; |
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175 | static int buf_len; |
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176 | |
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177 | static char *ucbuffer = NULL; |
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178 | |
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179 | /* read token */ |
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180 | extern void |
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181 | get_token(void) |
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182 | { |
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183 | skipblanks(); |
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184 | get_token_no_blanks(); |
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185 | } |
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186 | |
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187 | extern void |
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188 | get_token_no_blanks(void) |
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189 | { |
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190 | int i = -1; |
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191 | |
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192 | s_zero(&buffer); |
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193 | osfree(ucbuffer); |
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194 | while (isalpha(ch)) { |
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195 | s_catchar(&buffer, &buf_len, (char)ch); |
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196 | nextch(); |
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197 | } |
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198 | |
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199 | if (!buffer) s_catchar(&buffer, &buf_len, '\0'); |
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200 | |
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201 | ucbuffer = osmalloc(buf_len); |
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202 | do { |
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203 | i++; |
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204 | ucbuffer[i] = toupper(buffer[i]); |
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205 | } while (buffer[i]); |
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206 | #if 0 |
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207 | printf("get_token_no_blanks() got “%s”\n", buffer); |
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208 | #endif |
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209 | } |
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210 | |
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211 | /* read word */ |
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212 | static void |
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213 | get_word(void) |
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214 | { |
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215 | s_zero(&buffer); |
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216 | skipblanks(); |
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217 | while (!isBlank(ch) && !isEol(ch)) { |
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218 | s_catchar(&buffer, &buf_len, (char)ch); |
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219 | nextch(); |
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220 | } |
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221 | |
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222 | if (!buffer) s_catchar(&buffer, &buf_len, '\0'); |
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223 | #if 0 |
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224 | printf("get_word() got “%s”\n", buffer); |
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225 | #endif |
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226 | } |
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227 | |
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228 | /* match_tok() now uses binary chop |
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229 | * tab argument should be alphabetically sorted (ascending) |
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230 | */ |
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231 | extern int |
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232 | match_tok(const sztok *tab, int tab_size) |
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233 | { |
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234 | int a = 0, b = tab_size - 1, c; |
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235 | int r; |
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236 | assert(tab_size > 0); /* catch empty table */ |
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237 | /* printf("[%d,%d]",a,b); */ |
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238 | while (a <= b) { |
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239 | c = (unsigned)(a + b) / 2; |
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240 | /* printf(" %d",c); */ |
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241 | r = strcmp(tab[c].sz, ucbuffer); |
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242 | if (r == 0) return tab[c].tok; /* match */ |
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243 | if (r < 0) |
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244 | a = c + 1; |
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245 | else |
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246 | b = c - 1; |
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247 | } |
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248 | return tab[tab_size].tok; /* no match */ |
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249 | } |
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250 | |
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251 | typedef enum { |
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252 | CMD_NULL = -1, CMD_ALIAS, CMD_BEGIN, CMD_CALIBRATE, CMD_CASE, CMD_COPYRIGHT, |
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253 | CMD_CS, CMD_DATA, CMD_DATE, CMD_DEFAULT, CMD_END, CMD_ENTRANCE, CMD_EQUATE, |
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254 | CMD_EXPORT, CMD_FIX, CMD_FLAGS, CMD_INCLUDE, CMD_INFER, CMD_INSTRUMENT, |
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255 | CMD_PREFIX, CMD_REQUIRE, CMD_SD, CMD_SET, CMD_SOLVE, |
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256 | CMD_TEAM, CMD_TITLE, CMD_TRUNCATE, CMD_UNITS |
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257 | } cmds; |
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258 | |
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259 | static const sztok cmd_tab[] = { |
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260 | {"ALIAS", CMD_ALIAS}, |
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261 | {"BEGIN", CMD_BEGIN}, |
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262 | {"CALIBRATE", CMD_CALIBRATE}, |
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263 | {"CASE", CMD_CASE}, |
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264 | {"COPYRIGHT", CMD_COPYRIGHT}, |
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265 | {"CS", CMD_CS}, |
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266 | {"DATA", CMD_DATA}, |
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267 | {"DATE", CMD_DATE}, |
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268 | #ifndef NO_DEPRECATED |
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269 | {"DEFAULT", CMD_DEFAULT}, |
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270 | #endif |
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271 | {"END", CMD_END}, |
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272 | {"ENTRANCE", CMD_ENTRANCE}, |
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273 | {"EQUATE", CMD_EQUATE}, |
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274 | {"EXPORT", CMD_EXPORT}, |
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275 | {"FIX", CMD_FIX}, |
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276 | {"FLAGS", CMD_FLAGS}, |
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277 | {"INCLUDE", CMD_INCLUDE}, |
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278 | {"INFER", CMD_INFER}, |
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279 | {"INSTRUMENT",CMD_INSTRUMENT}, |
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280 | #ifndef NO_DEPRECATED |
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281 | {"PREFIX", CMD_PREFIX}, |
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282 | #endif |
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283 | {"REQUIRE", CMD_REQUIRE}, |
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284 | {"SD", CMD_SD}, |
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285 | {"SET", CMD_SET}, |
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286 | {"SOLVE", CMD_SOLVE}, |
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287 | {"TEAM", CMD_TEAM}, |
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288 | {"TITLE", CMD_TITLE}, |
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289 | {"TRUNCATE", CMD_TRUNCATE}, |
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290 | {"UNITS", CMD_UNITS}, |
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291 | {NULL, CMD_NULL} |
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292 | }; |
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293 | |
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294 | /* masks for units which are length and angles respectively */ |
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295 | #define LEN_UMASK (BIT(UNITS_METRES) | BIT(UNITS_FEET) | BIT(UNITS_YARDS)) |
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296 | #define ANG_UMASK (BIT(UNITS_DEGS) | BIT(UNITS_GRADS) | BIT(UNITS_MINUTES)) |
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297 | |
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298 | /* ordering must be the same as the units enum */ |
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299 | const real factor_tab[] = { |
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300 | 1.0, METRES_PER_FOOT, (METRES_PER_FOOT*3.0), |
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301 | (M_PI/180.0), (M_PI/200.0), 0.01, (M_PI/180.0/60.0) |
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302 | }; |
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303 | |
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304 | const int units_to_msgno[] = { |
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305 | /*m*/424, |
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306 | /*ft*/428, |
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307 | -1, /* yards */ |
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308 | /*°*/344, |
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309 | /*ᵍ*/76, |
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310 | /*%*/96, |
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311 | -1 /* minutes */ |
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312 | }; |
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313 | |
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314 | int get_length_units(int quantity) { |
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315 | double factor = pcs->units[quantity]; |
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316 | if (fabs(factor - METRES_PER_FOOT) <= REAL_EPSILON || |
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317 | fabs(factor - METRES_PER_FOOT * 3.0) <= REAL_EPSILON) { |
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318 | return UNITS_FEET; |
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319 | } |
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320 | return UNITS_METRES; |
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321 | } |
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322 | |
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323 | int get_angle_units(int quantity) { |
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324 | double factor = pcs->units[quantity]; |
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325 | if (fabs(factor - M_PI / 200.0) <= REAL_EPSILON) { |
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326 | return UNITS_GRADS; |
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327 | } |
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328 | return UNITS_DEGS; |
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329 | } |
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330 | |
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331 | static int |
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332 | get_units(unsigned long qmask, bool percent_ok) |
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333 | { |
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334 | static const sztok utab[] = { |
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335 | {"DEGREES", UNITS_DEGS }, |
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336 | {"DEGS", UNITS_DEGS }, |
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337 | {"FEET", UNITS_FEET }, |
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338 | {"GRADS", UNITS_GRADS }, |
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339 | {"METERS", UNITS_METRES }, |
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340 | {"METRES", UNITS_METRES }, |
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341 | {"METRIC", UNITS_METRES }, |
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342 | {"MILS", UNITS_GRADS }, |
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343 | {"MINUTES", UNITS_MINUTES }, |
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344 | {"PERCENT", UNITS_PERCENT }, |
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345 | {"PERCENTAGE", UNITS_PERCENT }, |
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346 | {"YARDS", UNITS_YARDS }, |
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347 | {NULL, UNITS_NULL } |
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348 | }; |
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349 | int units; |
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350 | get_token(); |
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351 | units = match_tok(utab, TABSIZE(utab)); |
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352 | if (units == UNITS_NULL) { |
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353 | file.lpos += strlen(buffer); |
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354 | compile_error_skip(-/*Unknown units “%s”*/35, buffer); |
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355 | return UNITS_NULL; |
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356 | } |
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357 | if (units == UNITS_PERCENT && percent_ok && |
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358 | !(qmask & ~(BIT(Q_GRADIENT)|BIT(Q_BACKGRADIENT)))) { |
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359 | return units; |
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360 | } |
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361 | if (((qmask & LEN_QMASK) && !TSTBIT(LEN_UMASK, units)) || |
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362 | ((qmask & ANG_QMASK) && !TSTBIT(ANG_UMASK, units))) { |
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363 | file.lpos += strlen(buffer); |
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364 | /* TRANSLATORS: Note: In English you talk about the *units* of a single |
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365 | * measurement, but the correct term in other languages may be singular. |
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366 | */ |
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367 | compile_error_skip(-/*Invalid units “%s” for quantity*/37, buffer); |
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368 | return UNITS_NULL; |
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369 | } |
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370 | return units; |
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371 | } |
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372 | |
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373 | /* returns mask with bit x set to indicate quantity x specified */ |
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374 | static unsigned long |
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375 | get_qlist(unsigned long mask_bad) |
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376 | { |
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377 | static const sztok qtab[] = { |
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378 | {"ALTITUDE", Q_DZ }, |
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379 | {"BACKBEARING", Q_BACKBEARING }, |
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380 | {"BACKCLINO", Q_BACKGRADIENT }, /* alternative name */ |
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381 | {"BACKCOMPASS", Q_BACKBEARING }, /* alternative name */ |
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382 | {"BACKGRADIENT", Q_BACKGRADIENT }, |
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383 | {"BEARING", Q_BEARING }, |
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384 | {"CEILING", Q_UP }, /* alternative name */ |
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385 | {"CLINO", Q_GRADIENT }, /* alternative name */ |
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386 | {"COMPASS", Q_BEARING }, /* alternative name */ |
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387 | {"COUNT", Q_COUNT }, |
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388 | {"COUNTER", Q_COUNT }, /* alternative name */ |
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389 | {"DECLINATION", Q_DECLINATION }, |
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390 | {"DEFAULT", Q_DEFAULT }, /* not a real quantity... */ |
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391 | {"DEPTH", Q_DEPTH }, |
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392 | {"DOWN", Q_DOWN }, |
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393 | {"DX", Q_DX }, /* alternative name */ |
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394 | {"DY", Q_DY }, /* alternative name */ |
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395 | {"DZ", Q_DZ }, /* alternative name */ |
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396 | {"EASTING", Q_DX }, |
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397 | {"FLOOR", Q_DOWN }, /* alternative name */ |
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398 | {"GRADIENT", Q_GRADIENT }, |
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399 | {"LEFT", Q_LEFT }, |
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400 | {"LENGTH", Q_LENGTH }, |
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401 | {"LEVEL", Q_LEVEL}, |
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402 | {"NORTHING", Q_DY }, |
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403 | {"PLUMB", Q_PLUMB}, |
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404 | {"POSITION", Q_POS }, |
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405 | {"RIGHT", Q_RIGHT }, |
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406 | {"TAPE", Q_LENGTH }, /* alternative name */ |
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407 | {"UP", Q_UP }, |
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408 | {NULL, Q_NULL } |
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409 | }; |
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410 | unsigned long qmask = 0; |
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411 | int tok; |
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412 | filepos fp; |
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413 | |
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414 | while (1) { |
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415 | get_pos(&fp); |
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416 | get_token(); |
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417 | tok = match_tok(qtab, TABSIZE(qtab)); |
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418 | if (tok == Q_DEFAULT && !(mask_bad & BIT(Q_DEFAULT))) { |
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419 | /* Only recognise DEFAULT if it is the first quantity, and then don't |
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420 | * look for any more. */ |
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421 | if (qmask == 0) |
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422 | return BIT(Q_DEFAULT); |
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423 | break; |
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424 | } |
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425 | /* bail out if we reach the table end with no match */ |
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426 | if (tok == Q_NULL) break; |
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427 | qmask |= BIT(tok); |
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428 | if (qmask & mask_bad) { |
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429 | file.lpos += strlen(buffer); |
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430 | compile_error_skip(-/*Unknown instrument “%s”*/39, buffer); |
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431 | return 0; |
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432 | } |
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433 | } |
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434 | |
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435 | if (qmask == 0) { |
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436 | file.lpos += strlen(buffer); |
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437 | /* TRANSLATORS: A "quantity" is something measured like "LENGTH", |
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438 | * "BEARING", "ALTITUDE", etc. */ |
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439 | compile_error_skip(-/*Unknown quantity “%s”*/34, buffer); |
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440 | } else { |
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441 | set_pos(&fp); |
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442 | } |
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443 | |
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444 | return qmask; |
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445 | } |
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446 | |
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447 | #define SPECIAL_UNKNOWN 0 |
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448 | static void |
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449 | cmd_set(void) |
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450 | { |
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451 | static const sztok chartab[] = { |
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452 | {"BLANK", SPECIAL_BLANK }, |
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453 | /*FIXME {"CLOSE", SPECIAL_CLOSE }, */ |
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454 | {"COMMENT", SPECIAL_COMMENT }, |
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455 | {"DECIMAL", SPECIAL_DECIMAL }, |
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456 | {"EOL", SPECIAL_EOL }, /* EOL won't work well */ |
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457 | {"KEYWORD", SPECIAL_KEYWORD }, |
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458 | {"MINUS", SPECIAL_MINUS }, |
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459 | {"NAMES", SPECIAL_NAMES }, |
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460 | {"OMIT", SPECIAL_OMIT }, |
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461 | /*FIXME {"OPEN", SPECIAL_OPEN }, */ |
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462 | {"PLUS", SPECIAL_PLUS }, |
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463 | #ifndef NO_DEPRECATED |
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464 | {"ROOT", SPECIAL_ROOT }, |
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465 | #endif |
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466 | {"SEPARATOR", SPECIAL_SEPARATOR }, |
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467 | {NULL, SPECIAL_UNKNOWN } |
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468 | }; |
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469 | int mask; |
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470 | int i; |
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471 | |
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472 | get_token(); |
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473 | mask = match_tok(chartab, TABSIZE(chartab)); |
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474 | |
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475 | if (mask == SPECIAL_UNKNOWN) { |
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476 | file.lpos += strlen(buffer); |
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477 | compile_error_skip(-/*Unknown character class “%s”*/42, buffer); |
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478 | return; |
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479 | } |
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480 | |
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481 | #ifndef NO_DEPRECATED |
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482 | if (mask == SPECIAL_ROOT) { |
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483 | if (root_depr_count < 5) { |
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484 | file.lpos += strlen(buffer); |
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485 | /* TRANSLATORS: Use of the ROOT character (which is "\" by default) is |
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486 | * deprecated, so this error would be generated by: |
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487 | * |
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488 | * *equate \foo.7 1 |
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489 | * |
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490 | * If you're unsure what "deprecated" means, see: |
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491 | * http://en.wikipedia.org/wiki/Deprecation */ |
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492 | compile_warning(-/*ROOT is deprecated*/25); |
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493 | if (++root_depr_count == 5) |
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494 | /* TRANSLATORS: If you're unsure what "deprecated" means, see: |
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495 | * http://en.wikipedia.org/wiki/Deprecation */ |
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496 | compile_warning(/*Further uses of this deprecated feature will not be reported*/95); |
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497 | } |
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498 | } |
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499 | #endif |
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500 | |
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501 | /* if we're currently using an inherited translation table, allocate a new |
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502 | * table, and copy old one into it */ |
---|
503 | if (pcs->next && pcs->next->Translate == pcs->Translate) { |
---|
504 | short *p; |
---|
505 | p = ((short*)osmalloc(ossizeof(short) * 257)) + 1; |
---|
506 | memcpy(p - 1, pcs->Translate - 1, sizeof(short) * 257); |
---|
507 | pcs->Translate = p; |
---|
508 | } |
---|
509 | |
---|
510 | skipblanks(); |
---|
511 | |
---|
512 | /* clear this flag for all non-alphanums */ |
---|
513 | for (i = 0; i < 256; i++) |
---|
514 | if (!isalnum(i)) pcs->Translate[i] &= ~mask; |
---|
515 | |
---|
516 | /* now set this flag for all specified chars */ |
---|
517 | while (!isEol(ch)) { |
---|
518 | if (!isalnum(ch)) { |
---|
519 | pcs->Translate[ch] |= mask; |
---|
520 | } else if (tolower(ch) == 'x') { |
---|
521 | int hex; |
---|
522 | filepos fp; |
---|
523 | get_pos(&fp); |
---|
524 | nextch(); |
---|
525 | if (!isxdigit(ch)) { |
---|
526 | set_pos(&fp); |
---|
527 | break; |
---|
528 | } |
---|
529 | hex = isdigit(ch) ? ch - '0' : tolower(ch) - 'a'; |
---|
530 | nextch(); |
---|
531 | if (!isxdigit(ch)) { |
---|
532 | set_pos(&fp); |
---|
533 | break; |
---|
534 | } |
---|
535 | hex = hex << 4 | (isdigit(ch) ? ch - '0' : tolower(ch) - 'a'); |
---|
536 | pcs->Translate[hex] |= mask; |
---|
537 | } else { |
---|
538 | break; |
---|
539 | } |
---|
540 | nextch(); |
---|
541 | } |
---|
542 | } |
---|
543 | |
---|
544 | static void |
---|
545 | check_reentry(prefix *survey) |
---|
546 | { |
---|
547 | /* Don't try to check "*prefix \" or "*begin \" */ |
---|
548 | if (!survey->up) return; |
---|
549 | if (TSTBIT(survey->sflags, SFLAGS_PREFIX_ENTERED)) { |
---|
550 | static int reenter_depr_count = 0; |
---|
551 | |
---|
552 | if (reenter_depr_count >= 5) |
---|
553 | return; |
---|
554 | |
---|
555 | /* TRANSLATORS: e.g. |
---|
556 | * |
---|
557 | * *begin crawl |
---|
558 | * 1 2 9.45 234 -01 |
---|
559 | * *end crawl |
---|
560 | * *begin crawl # <- warning here |
---|
561 | * 2 3 7.67 223 -03 |
---|
562 | * *end crawl |
---|
563 | * |
---|
564 | * If you're unsure what "deprecated" means, see: |
---|
565 | * http://en.wikipedia.org/wiki/Deprecation */ |
---|
566 | compile_warning(/*Reentering an existing survey is deprecated*/29); |
---|
567 | compile_warning_pfx(survey, /*Originally entered here*/30); |
---|
568 | if (++reenter_depr_count == 5) |
---|
569 | compile_warning(/*Further uses of this deprecated feature will not be reported*/95); |
---|
570 | } else { |
---|
571 | survey->sflags |= BIT(SFLAGS_PREFIX_ENTERED); |
---|
572 | survey->filename = file.filename; |
---|
573 | survey->line = file.line; |
---|
574 | } |
---|
575 | } |
---|
576 | |
---|
577 | #ifndef NO_DEPRECATED |
---|
578 | static void |
---|
579 | cmd_prefix(void) |
---|
580 | { |
---|
581 | static int prefix_depr_count = 0; |
---|
582 | prefix *survey; |
---|
583 | /* Issue warning first, so "*prefix \" warns first that *prefix is |
---|
584 | * deprecated and then that ROOT is... |
---|
585 | */ |
---|
586 | if (prefix_depr_count < 5) { |
---|
587 | /* TRANSLATORS: If you're unsure what "deprecated" means, see: |
---|
588 | * http://en.wikipedia.org/wiki/Deprecation */ |
---|
589 | compile_warning(-/**prefix is deprecated - use *begin and *end instead*/6); |
---|
590 | if (++prefix_depr_count == 5) |
---|
591 | compile_warning(/*Further uses of this deprecated feature will not be reported*/95); |
---|
592 | } |
---|
593 | survey = read_prefix(PFX_SURVEY|PFX_ALLOW_ROOT); |
---|
594 | pcs->Prefix = survey; |
---|
595 | check_reentry(survey); |
---|
596 | } |
---|
597 | #endif |
---|
598 | |
---|
599 | static void |
---|
600 | cmd_alias(void) |
---|
601 | { |
---|
602 | /* Currently only two forms are supported: |
---|
603 | * *alias station - .. |
---|
604 | * *alias station - |
---|
605 | */ |
---|
606 | get_token(); |
---|
607 | if (strcmp(ucbuffer, "STATION") != 0) |
---|
608 | goto bad; |
---|
609 | get_word(); |
---|
610 | if (strcmp(buffer, "-") != 0) |
---|
611 | goto bad; |
---|
612 | get_word(); |
---|
613 | if (*buffer && strcmp(buffer, "..") != 0) |
---|
614 | goto bad; |
---|
615 | pcs->dash_for_anon_wall_station = (*buffer != '\0'); |
---|
616 | return; |
---|
617 | bad: |
---|
618 | compile_error_skip(/*Bad *alias command*/397); |
---|
619 | } |
---|
620 | |
---|
621 | static void |
---|
622 | cmd_begin(void) |
---|
623 | { |
---|
624 | prefix *survey; |
---|
625 | settings *pcsNew; |
---|
626 | |
---|
627 | pcsNew = osnew(settings); |
---|
628 | *pcsNew = *pcs; /* copy contents */ |
---|
629 | pcsNew->begin_lineno = file.line; |
---|
630 | pcsNew->next = pcs; |
---|
631 | pcs = pcsNew; |
---|
632 | |
---|
633 | survey = read_prefix(PFX_SURVEY|PFX_OPT|PFX_ALLOW_ROOT|PFX_WARN_SEPARATOR); |
---|
634 | pcs->begin_survey = survey; |
---|
635 | if (survey) { |
---|
636 | pcs->Prefix = survey; |
---|
637 | check_reentry(survey); |
---|
638 | f_export_ok = fTrue; |
---|
639 | } |
---|
640 | } |
---|
641 | |
---|
642 | extern void |
---|
643 | free_settings(settings *p) { |
---|
644 | /* don't free default ordering or ordering used by parent */ |
---|
645 | reading *order = p->ordering; |
---|
646 | if (order != default_order && (!p->next || order != p->next->ordering)) |
---|
647 | osfree(order); |
---|
648 | |
---|
649 | /* free Translate if not used by parent */ |
---|
650 | if (!p->next || p->Translate != p->next->Translate) |
---|
651 | osfree(p->Translate - 1); |
---|
652 | |
---|
653 | /* free meta if not used by parent, or in this block */ |
---|
654 | if (p->meta && (!p->next || p->meta != p->next->meta) && p->meta->ref_count == 0) |
---|
655 | osfree(p->meta); |
---|
656 | |
---|
657 | /* free proj if not used by parent, or as the output projection */ |
---|
658 | if (p->proj && (!p->next || p->proj != p->next->proj) && p->proj != proj_out) |
---|
659 | pj_free(p->proj); |
---|
660 | |
---|
661 | osfree(p); |
---|
662 | } |
---|
663 | |
---|
664 | static void |
---|
665 | cmd_end(void) |
---|
666 | { |
---|
667 | settings *pcsParent; |
---|
668 | prefix *survey, *begin_survey; |
---|
669 | |
---|
670 | pcsParent = pcs->next; |
---|
671 | |
---|
672 | if (pcs->begin_lineno == 0) { |
---|
673 | if (pcsParent == NULL) { |
---|
674 | /* more ENDs than BEGINs */ |
---|
675 | compile_error_skip(/*No matching BEGIN*/192); |
---|
676 | } else { |
---|
677 | compile_error_skip(/*END with no matching BEGIN in this file*/22); |
---|
678 | } |
---|
679 | return; |
---|
680 | } |
---|
681 | |
---|
682 | begin_survey = pcs->begin_survey; |
---|
683 | |
---|
684 | SVX_ASSERT(pcsParent); |
---|
685 | free_settings(pcs); |
---|
686 | pcs = pcsParent; |
---|
687 | |
---|
688 | /* note need to read using root *before* BEGIN */ |
---|
689 | survey = read_prefix(PFX_SURVEY|PFX_OPT|PFX_ALLOW_ROOT); |
---|
690 | if (survey != begin_survey) { |
---|
691 | if (survey) { |
---|
692 | if (!begin_survey) { |
---|
693 | /* TRANSLATORS: Used when a BEGIN command has no survey, but the |
---|
694 | * END command does, e.g.: |
---|
695 | * |
---|
696 | * *begin |
---|
697 | * 1 2 10.00 178 -01 |
---|
698 | * *end entrance <--[Message given here] */ |
---|
699 | compile_error_skip(-/*Matching BEGIN command has no survey name*/36); |
---|
700 | } else { |
---|
701 | /* TRANSLATORS: *BEGIN <survey> and *END <survey> should have the |
---|
702 | * same <survey> if it’s given at all */ |
---|
703 | compile_error_skip(-/*Survey name doesn’t match BEGIN*/193); |
---|
704 | } |
---|
705 | } else { |
---|
706 | /* TRANSLATORS: Used when a BEGIN command has a survey name, but the |
---|
707 | * END command omits it, e.g.: |
---|
708 | * |
---|
709 | * *begin entrance |
---|
710 | * 1 2 10.00 178 -01 |
---|
711 | * *end <--[Message given here] */ |
---|
712 | compile_warning(-/*Survey name omitted from END*/194); |
---|
713 | } |
---|
714 | } |
---|
715 | } |
---|
716 | |
---|
717 | static void |
---|
718 | cmd_entrance(void) |
---|
719 | { |
---|
720 | prefix *pfx = read_prefix(PFX_STATION); |
---|
721 | pfx->sflags |= BIT(SFLAGS_ENTRANCE); |
---|
722 | } |
---|
723 | |
---|
724 | static const prefix * first_fix_name = NULL; |
---|
725 | static const char * first_fix_filename; |
---|
726 | static unsigned first_fix_line; |
---|
727 | |
---|
728 | static void |
---|
729 | cmd_fix(void) |
---|
730 | { |
---|
731 | prefix *fix_name; |
---|
732 | node *stn = NULL; |
---|
733 | static prefix *name_omit_already = NULL; |
---|
734 | static const char * name_omit_already_filename = NULL; |
---|
735 | static unsigned int name_omit_already_line; |
---|
736 | real x, y, z; |
---|
737 | int nx, ny, nz; |
---|
738 | filepos fp; |
---|
739 | |
---|
740 | fix_name = read_prefix(PFX_STATION|PFX_ALLOW_ROOT); |
---|
741 | fix_name->sflags |= BIT(SFLAGS_FIXED); |
---|
742 | |
---|
743 | get_pos(&fp); |
---|
744 | get_token(); |
---|
745 | if (strcmp(ucbuffer, "REFERENCE") == 0) { |
---|
746 | /* suppress "unused fixed point" warnings for this station */ |
---|
747 | fix_name->sflags |= BIT(SFLAGS_USED); |
---|
748 | } else { |
---|
749 | if (*ucbuffer) set_pos(&fp); |
---|
750 | } |
---|
751 | |
---|
752 | x = read_numeric(fTrue, &nx); |
---|
753 | if (x == HUGE_REAL) { |
---|
754 | /* If the end of the line isn't blank, read a number after all to |
---|
755 | * get a more helpful error message */ |
---|
756 | if (!isEol(ch) && !isComm(ch)) x = read_numeric(fFalse, &nx); |
---|
757 | } |
---|
758 | if (x == HUGE_REAL) { |
---|
759 | if (pcs->proj || proj_out) { |
---|
760 | compile_error_skip(/*Coordinates can't be omitted when coordinate system has been specified*/439); |
---|
761 | return; |
---|
762 | } |
---|
763 | |
---|
764 | if (fix_name == name_omit_already) { |
---|
765 | compile_warning(/*Same station fixed twice with no coordinates*/61); |
---|
766 | return; |
---|
767 | } |
---|
768 | |
---|
769 | /* TRANSLATORS: " *fix a " gives this message: */ |
---|
770 | compile_warning(/*FIX command with no coordinates - fixing at (0,0,0)*/54); |
---|
771 | |
---|
772 | if (name_omit_already) { |
---|
773 | /* TRANSLATORS: Emitted after second and subsequent "FIX command with |
---|
774 | * no coordinates - fixing at (0,0,0)" warnings. |
---|
775 | */ |
---|
776 | compile_error_at(name_omit_already_filename, |
---|
777 | name_omit_already_line, |
---|
778 | /*Already had FIX command with no coordinates for station “%s”*/441, |
---|
779 | sprint_prefix(name_omit_already)); |
---|
780 | } else { |
---|
781 | name_omit_already = fix_name; |
---|
782 | name_omit_already_filename = file.filename; |
---|
783 | name_omit_already_line = file.line; |
---|
784 | } |
---|
785 | |
---|
786 | x = y = z = (real)0.0; |
---|
787 | } else { |
---|
788 | real sdx; |
---|
789 | y = read_numeric(fFalse, &ny); |
---|
790 | z = read_numeric(fFalse, &nz); |
---|
791 | sdx = read_numeric(fTrue, NULL); |
---|
792 | if (sdx != HUGE_REAL) { |
---|
793 | real sdy, sdz; |
---|
794 | real cxy = 0, cyz = 0, czx = 0; |
---|
795 | sdy = read_numeric(fTrue, NULL); |
---|
796 | if (sdy == HUGE_REAL) { |
---|
797 | /* only one variance given */ |
---|
798 | sdy = sdz = sdx; |
---|
799 | } else { |
---|
800 | sdz = read_numeric(fTrue, NULL); |
---|
801 | if (sdz == HUGE_REAL) { |
---|
802 | /* two variances given - horizontal & vertical */ |
---|
803 | sdz = sdy; |
---|
804 | sdy = sdx; |
---|
805 | } else { |
---|
806 | cxy = read_numeric(fTrue, NULL); |
---|
807 | if (cxy != HUGE_REAL) { |
---|
808 | /* covariances given */ |
---|
809 | cyz = read_numeric(fFalse, NULL); |
---|
810 | czx = read_numeric(fFalse, NULL); |
---|
811 | } else { |
---|
812 | cxy = 0; |
---|
813 | } |
---|
814 | } |
---|
815 | } |
---|
816 | stn = StnFromPfx(fix_name); |
---|
817 | if (!fixed(stn)) { |
---|
818 | node *fixpt = osnew(node); |
---|
819 | prefix *name; |
---|
820 | name = osnew(prefix); |
---|
821 | name->pos = osnew(pos); |
---|
822 | name->ident = NULL; |
---|
823 | name->shape = 0; |
---|
824 | fixpt->name = name; |
---|
825 | name->stn = fixpt; |
---|
826 | name->up = NULL; |
---|
827 | if (TSTBIT(pcs->infer, INFER_EXPORTS)) { |
---|
828 | name->min_export = USHRT_MAX; |
---|
829 | } else { |
---|
830 | name->min_export = 0; |
---|
831 | } |
---|
832 | name->max_export = 0; |
---|
833 | name->sflags = 0; |
---|
834 | add_stn_to_list(&stnlist, fixpt); |
---|
835 | POS(fixpt, 0) = x; |
---|
836 | POS(fixpt, 1) = y; |
---|
837 | POS(fixpt, 2) = z; |
---|
838 | fix(fixpt); |
---|
839 | fixpt->leg[0] = fixpt->leg[1] = fixpt->leg[2] = NULL; |
---|
840 | addfakeleg(fixpt, stn, 0, 0, 0, |
---|
841 | sdx * sdx, sdy * sdy, sdz * sdz |
---|
842 | #ifndef NO_COVARIANCES |
---|
843 | , cxy, cyz, czx |
---|
844 | #endif |
---|
845 | ); |
---|
846 | } |
---|
847 | return; |
---|
848 | } |
---|
849 | |
---|
850 | if (pcs->proj && proj_out) { |
---|
851 | int r = pj_transform(pcs->proj, proj_out, 1, 1, &x, &y, &z); |
---|
852 | if (r != 0) { |
---|
853 | compile_error(/*Failed to convert coordinates*/436); |
---|
854 | /* FIXME: report pj_strerrno(r) */ |
---|
855 | printf("[%s]\n", pj_strerrno(r)); |
---|
856 | } |
---|
857 | } else if (pcs->proj) { |
---|
858 | compile_error(/*The input projection is set but the output projection isn't*/437); |
---|
859 | } else if (proj_out) { |
---|
860 | compile_error(/*The output projection is set but the input projection isn't*/438); |
---|
861 | } |
---|
862 | } |
---|
863 | |
---|
864 | if (!first_fix_name) { |
---|
865 | /* We track if we've fixed a station yet, and if so what the name of the |
---|
866 | * first fix was, so that we can issue an error if the output coordinate |
---|
867 | * system is set after fixing a station. */ |
---|
868 | first_fix_name = fix_name; |
---|
869 | first_fix_filename = file.filename; |
---|
870 | first_fix_line = file.line; |
---|
871 | } |
---|
872 | |
---|
873 | stn = StnFromPfx(fix_name); |
---|
874 | if (!fixed(stn)) { |
---|
875 | POS(stn, 0) = x; |
---|
876 | POS(stn, 1) = y; |
---|
877 | POS(stn, 2) = z; |
---|
878 | fix(stn); |
---|
879 | return; |
---|
880 | } |
---|
881 | |
---|
882 | if (x != POS(stn, 0) || y != POS(stn, 1) || z != POS(stn, 2)) { |
---|
883 | compile_error(/*Station already fixed or equated to a fixed point*/46); |
---|
884 | return; |
---|
885 | } |
---|
886 | /* TRANSLATORS: *fix a 1 2 3 / *fix a 1 2 3 */ |
---|
887 | compile_warning(/*Station already fixed at the same coordinates*/55); |
---|
888 | } |
---|
889 | |
---|
890 | static void |
---|
891 | cmd_flags(void) |
---|
892 | { |
---|
893 | static const sztok flagtab[] = { |
---|
894 | {"DUPLICATE", FLAGS_DUPLICATE }, |
---|
895 | {"NOT", FLAGS_NOT }, |
---|
896 | {"SPLAY", FLAGS_SPLAY }, |
---|
897 | {"SURFACE", FLAGS_SURFACE }, |
---|
898 | {NULL, FLAGS_UNKNOWN } |
---|
899 | }; |
---|
900 | bool fNot = fFalse; |
---|
901 | bool fEmpty = fTrue; |
---|
902 | while (1) { |
---|
903 | int flag; |
---|
904 | get_token(); |
---|
905 | /* If buffer is empty, it could mean end of line, or maybe |
---|
906 | * some non-letter junk which is better reported later */ |
---|
907 | if (!buffer[0]) break; |
---|
908 | |
---|
909 | fEmpty = fFalse; |
---|
910 | flag = match_tok(flagtab, TABSIZE(flagtab)); |
---|
911 | /* treat the second NOT in "NOT NOT" as an unknown flag */ |
---|
912 | if (flag == FLAGS_UNKNOWN || (fNot && flag == FLAGS_NOT)) { |
---|
913 | file.lpos += strlen(buffer); |
---|
914 | compile_error(-/*FLAG “%s” unknown*/68, buffer); |
---|
915 | /* Recover from “*FLAGS NOT BOGUS SURFACE” by ignoring "NOT BOGUS" */ |
---|
916 | fNot = fFalse; |
---|
917 | } else if (flag == FLAGS_NOT) { |
---|
918 | fNot = fTrue; |
---|
919 | } else if (fNot) { |
---|
920 | pcs->flags &= ~BIT(flag); |
---|
921 | fNot = fFalse; |
---|
922 | } else { |
---|
923 | pcs->flags |= BIT(flag); |
---|
924 | } |
---|
925 | } |
---|
926 | |
---|
927 | if (fNot) { |
---|
928 | file.lpos += strlen(buffer); |
---|
929 | compile_error(-/*Expecting “DUPLICATE”, “SPLAY”, or “SURFACE”*/188); |
---|
930 | } else if (fEmpty) { |
---|
931 | file.lpos += strlen(buffer); |
---|
932 | compile_error(-/*Expecting “NOT”, “DUPLICATE”, “SPLAY”, or “SURFACE”*/189); |
---|
933 | } |
---|
934 | } |
---|
935 | |
---|
936 | static void |
---|
937 | cmd_equate(void) |
---|
938 | { |
---|
939 | prefix *name1, *name2; |
---|
940 | bool fOnlyOneStn = fTrue; /* to trap eg *equate entrance.6 */ |
---|
941 | |
---|
942 | name1 = read_prefix(PFX_STATION|PFX_ALLOW_ROOT|PFX_SUSPECT_TYPO); |
---|
943 | while (fTrue) { |
---|
944 | name2 = name1; |
---|
945 | name1 = read_prefix(PFX_STATION|PFX_ALLOW_ROOT|PFX_SUSPECT_TYPO|PFX_OPT); |
---|
946 | if (name1 == NULL) { |
---|
947 | if (fOnlyOneStn) { |
---|
948 | /* TRANSLATORS: EQUATE is a command name, so shouldn’t be |
---|
949 | * translated. |
---|
950 | * |
---|
951 | * Here "station" is a survey station, not a train station. |
---|
952 | */ |
---|
953 | compile_error_skip(-/*Only one station in EQUATE command*/33); |
---|
954 | } |
---|
955 | return; |
---|
956 | } |
---|
957 | |
---|
958 | process_equate(name1, name2); |
---|
959 | fOnlyOneStn = fFalse; |
---|
960 | } |
---|
961 | } |
---|
962 | |
---|
963 | static void |
---|
964 | report_missing_export(prefix *pfx, int depth) |
---|
965 | { |
---|
966 | char *s; |
---|
967 | const char *p; |
---|
968 | prefix *survey = pfx; |
---|
969 | int i; |
---|
970 | for (i = depth + 1; i; i--) { |
---|
971 | survey = survey->up; |
---|
972 | SVX_ASSERT(survey); |
---|
973 | } |
---|
974 | s = osstrdup(sprint_prefix(survey)); |
---|
975 | p = sprint_prefix(pfx); |
---|
976 | if (survey->filename) { |
---|
977 | /* TRANSLATORS: A station must be exported out of each level it is in, so |
---|
978 | * this would give "Station “\outer.inner.1” not exported from survey |
---|
979 | * “\outer”)": |
---|
980 | * |
---|
981 | * *equate entrance outer.inner.1 |
---|
982 | * *begin outer |
---|
983 | * *begin inner |
---|
984 | * *export 1 |
---|
985 | * 1 2 1.23 045 -6 |
---|
986 | * *end inner |
---|
987 | * *end outer |
---|
988 | * |
---|
989 | * Here "survey" is a "cave map" rather than list of questions - it should be |
---|
990 | * translated to the terminology that cavers using the language would use. |
---|
991 | */ |
---|
992 | compile_error_pfx(survey, |
---|
993 | /*Station “%s” not exported from survey “%s”*/26, p, s); |
---|
994 | } else { |
---|
995 | compile_error(/*Station “%s” not exported from survey “%s”*/26, p, s); |
---|
996 | } |
---|
997 | osfree(s); |
---|
998 | } |
---|
999 | |
---|
1000 | static void |
---|
1001 | cmd_export(void) |
---|
1002 | { |
---|
1003 | prefix *pfx; |
---|
1004 | |
---|
1005 | fExportUsed = fTrue; |
---|
1006 | pfx = read_prefix(PFX_STATION); |
---|
1007 | do { |
---|
1008 | int depth = 0; |
---|
1009 | { |
---|
1010 | prefix *p = pfx; |
---|
1011 | while (p != NULL && p != pcs->Prefix) { |
---|
1012 | depth++; |
---|
1013 | p = p->up; |
---|
1014 | } |
---|
1015 | /* Something like: *export \foo, but we've excluded use of root */ |
---|
1016 | SVX_ASSERT(p); |
---|
1017 | } |
---|
1018 | /* *export \ or similar bogus stuff */ |
---|
1019 | SVX_ASSERT(depth); |
---|
1020 | #if 0 |
---|
1021 | printf("C min %d max %d depth %d pfx %s\n", |
---|
1022 | pfx->min_export, pfx->max_export, depth, sprint_prefix(pfx)); |
---|
1023 | #endif |
---|
1024 | if (pfx->min_export == 0) { |
---|
1025 | /* not encountered *export for this name before */ |
---|
1026 | if (pfx->max_export > depth) report_missing_export(pfx, depth); |
---|
1027 | pfx->min_export = pfx->max_export = depth; |
---|
1028 | } else if (pfx->min_export != USHRT_MAX) { |
---|
1029 | /* FIXME: what to do if a station is marked for inferred exports |
---|
1030 | * but is then explicitly exported? Currently we just ignore the |
---|
1031 | * explicit export... */ |
---|
1032 | if (pfx->min_export - 1 > depth) { |
---|
1033 | report_missing_export(pfx, depth); |
---|
1034 | } else if (pfx->min_export - 1 < depth) { |
---|
1035 | /* TRANSLATORS: Here "station" is a survey station, not a train station. |
---|
1036 | * |
---|
1037 | * Exporting a station twice gives this error: |
---|
1038 | * |
---|
1039 | * *begin example |
---|
1040 | * *export 1 |
---|
1041 | * *export 1 |
---|
1042 | * 1 2 1.24 045 -6 |
---|
1043 | * *end example */ |
---|
1044 | compile_error(/*Station “%s” already exported*/66, |
---|
1045 | sprint_prefix(pfx)); |
---|
1046 | } |
---|
1047 | pfx->min_export = depth; |
---|
1048 | } |
---|
1049 | pfx = read_prefix(PFX_STATION|PFX_OPT); |
---|
1050 | } while (pfx); |
---|
1051 | } |
---|
1052 | |
---|
1053 | static void |
---|
1054 | cmd_data(void) |
---|
1055 | { |
---|
1056 | static const sztok dtab[] = { |
---|
1057 | {"ALTITUDE", Dz }, |
---|
1058 | {"BACKBEARING", BackComp }, |
---|
1059 | {"BACKCLINO", BackClino }, /* alternative name */ |
---|
1060 | {"BACKCOMPASS", BackComp }, /* alternative name */ |
---|
1061 | {"BACKGRADIENT", BackClino }, |
---|
1062 | {"BEARING", Comp }, |
---|
1063 | {"CEILING", Up }, /* alternative name */ |
---|
1064 | {"CLINO", Clino }, /* alternative name */ |
---|
1065 | {"COMPASS", Comp }, /* alternative name */ |
---|
1066 | {"COUNT", Count }, /* FrCount&ToCount in multiline */ |
---|
1067 | {"DEPTH", Depth }, /* FrDepth&ToDepth in multiline */ |
---|
1068 | {"DEPTHCHANGE", DepthChange }, |
---|
1069 | {"DIRECTION", Dir }, |
---|
1070 | {"DOWN", Down }, |
---|
1071 | {"DX", Dx }, |
---|
1072 | {"DY", Dy }, |
---|
1073 | {"DZ", Dz }, |
---|
1074 | {"EASTING", Dx }, |
---|
1075 | {"FLOOR", Down }, /* alternative name */ |
---|
1076 | {"FROM", Fr }, |
---|
1077 | {"FROMCOUNT", FrCount }, |
---|
1078 | {"FROMDEPTH", FrDepth }, |
---|
1079 | {"GRADIENT", Clino }, |
---|
1080 | {"IGNORE", Ignore }, |
---|
1081 | {"IGNOREALL", IgnoreAll }, |
---|
1082 | {"LEFT", Left }, |
---|
1083 | {"LENGTH", Tape }, |
---|
1084 | {"NEWLINE", Newline }, |
---|
1085 | {"NORTHING", Dy }, |
---|
1086 | {"RIGHT", Right }, |
---|
1087 | {"STATION", Station }, /* Fr&To in multiline */ |
---|
1088 | {"TAPE", Tape }, /* alternative name */ |
---|
1089 | {"TO", To }, |
---|
1090 | {"TOCOUNT", ToCount }, |
---|
1091 | {"TODEPTH", ToDepth }, |
---|
1092 | {"UP", Up }, |
---|
1093 | {NULL, End } |
---|
1094 | }; |
---|
1095 | |
---|
1096 | #define MASK_stns BIT(Fr) | BIT(To) | BIT(Station) |
---|
1097 | #define MASK_tape BIT(Tape) | BIT(FrCount) | BIT(ToCount) | BIT(Count) |
---|
1098 | #define MASK_dpth BIT(FrDepth) | BIT(ToDepth) | BIT(Depth) | BIT(DepthChange) |
---|
1099 | #define MASK_comp BIT(Comp) | BIT(BackComp) |
---|
1100 | #define MASK_clin BIT(Clino) | BIT(BackClino) |
---|
1101 | |
---|
1102 | #define MASK_NORMAL MASK_stns | BIT(Dir) | MASK_tape | MASK_comp | MASK_clin |
---|
1103 | #define MASK_DIVING MASK_stns | BIT(Dir) | MASK_tape | MASK_comp | MASK_dpth |
---|
1104 | #define MASK_CARTESIAN MASK_stns | BIT(Dx) | BIT(Dy) | BIT(Dz) |
---|
1105 | #define MASK_CYLPOLAR MASK_stns | BIT(Dir) | MASK_tape | MASK_comp | MASK_dpth |
---|
1106 | #define MASK_PASSAGE BIT(Station) | BIT(Left) | BIT(Right) | BIT(Up) | BIT(Down) |
---|
1107 | #define MASK_NOSURVEY MASK_stns |
---|
1108 | |
---|
1109 | /* readings which may be given for each style */ |
---|
1110 | static const unsigned long mask[] = { |
---|
1111 | MASK_NORMAL, MASK_DIVING, MASK_CARTESIAN, MASK_CYLPOLAR, MASK_NOSURVEY, |
---|
1112 | MASK_PASSAGE |
---|
1113 | }; |
---|
1114 | |
---|
1115 | /* readings which may be omitted for each style */ |
---|
1116 | static const unsigned long mask_optional[] = { |
---|
1117 | BIT(Dir) | BIT(Clino) | BIT(BackClino), |
---|
1118 | BIT(Dir), |
---|
1119 | 0, |
---|
1120 | BIT(Dir), |
---|
1121 | 0, |
---|
1122 | 0 /* BIT(Left) | BIT(Right) | BIT(Up) | BIT(Down), */ |
---|
1123 | }; |
---|
1124 | |
---|
1125 | /* all valid readings */ |
---|
1126 | static const unsigned long mask_all[] = { |
---|
1127 | MASK_NORMAL | BIT(Newline) | BIT(Ignore) | BIT(IgnoreAll) | BIT(End), |
---|
1128 | MASK_DIVING | BIT(Newline) | BIT(Ignore) | BIT(IgnoreAll) | BIT(End), |
---|
1129 | MASK_CARTESIAN | BIT(Newline) | BIT(Ignore) | BIT(IgnoreAll) | BIT(End), |
---|
1130 | MASK_CYLPOLAR | BIT(Newline) | BIT(Ignore) | BIT(IgnoreAll) | BIT(End), |
---|
1131 | MASK_NOSURVEY | BIT(Ignore) | BIT(IgnoreAll) | BIT(End), |
---|
1132 | MASK_PASSAGE | BIT(Ignore) | BIT(IgnoreAll) | BIT(End) |
---|
1133 | }; |
---|
1134 | #define STYLE_DEFAULT -2 |
---|
1135 | #define STYLE_UNKNOWN -1 |
---|
1136 | |
---|
1137 | static const sztok styletab[] = { |
---|
1138 | {"CARTESIAN", STYLE_CARTESIAN }, |
---|
1139 | {"CYLPOLAR", STYLE_CYLPOLAR }, |
---|
1140 | {"DEFAULT", STYLE_DEFAULT }, |
---|
1141 | {"DIVING", STYLE_DIVING }, |
---|
1142 | {"NORMAL", STYLE_NORMAL }, |
---|
1143 | {"NOSURVEY", STYLE_NOSURVEY }, |
---|
1144 | {"PASSAGE", STYLE_PASSAGE }, |
---|
1145 | {"TOPOFIL", STYLE_NORMAL }, |
---|
1146 | {NULL, STYLE_UNKNOWN } |
---|
1147 | }; |
---|
1148 | |
---|
1149 | #define m_multi (BIT(Station) | BIT(Count) | BIT(Depth)) |
---|
1150 | |
---|
1151 | int style, k = 0, kMac; |
---|
1152 | reading *new_order, d; |
---|
1153 | unsigned long mUsed = 0; |
---|
1154 | char *style_name; |
---|
1155 | |
---|
1156 | /* after a bad *data command ignore survey data until the next |
---|
1157 | * *data command to avoid an avalanche of errors */ |
---|
1158 | pcs->style = STYLE_IGNORE; |
---|
1159 | |
---|
1160 | kMac = 6; /* minimum for NORMAL style */ |
---|
1161 | new_order = osmalloc(kMac * sizeof(reading)); |
---|
1162 | |
---|
1163 | get_token(); |
---|
1164 | style = match_tok(styletab, TABSIZE(styletab)); |
---|
1165 | |
---|
1166 | if (style == STYLE_DEFAULT) { |
---|
1167 | default_style(pcs); |
---|
1168 | return; |
---|
1169 | } |
---|
1170 | |
---|
1171 | if (style == STYLE_UNKNOWN) { |
---|
1172 | file.lpos += strlen(buffer); |
---|
1173 | /* TRANSLATORS: e.g. trying to refer to an invalid FNORD data style */ |
---|
1174 | compile_error_skip(-/*Data style “%s” unknown*/65, buffer); |
---|
1175 | return; |
---|
1176 | } |
---|
1177 | |
---|
1178 | skipblanks(); |
---|
1179 | #ifndef NO_DEPRECATED |
---|
1180 | /* Olde syntax had optional field for survey grade, so allow an omit |
---|
1181 | * but issue a warning about it */ |
---|
1182 | if (isOmit(ch)) { |
---|
1183 | static int data_depr_count = 0; |
---|
1184 | if (data_depr_count < 5) { |
---|
1185 | file.lpos += strlen(buffer); |
---|
1186 | compile_warning(-/*“*data %s %c …” is deprecated - use “*data %s …” instead*/104, |
---|
1187 | buffer, ch, buffer); |
---|
1188 | if (++data_depr_count == 5) |
---|
1189 | compile_warning(/*Further uses of this deprecated feature will not be reported*/95); |
---|
1190 | } |
---|
1191 | nextch(); |
---|
1192 | } |
---|
1193 | #endif |
---|
1194 | |
---|
1195 | style_name = osstrdup(buffer); |
---|
1196 | do { |
---|
1197 | filepos fp; |
---|
1198 | get_pos(&fp); |
---|
1199 | get_token(); |
---|
1200 | d = match_tok(dtab, TABSIZE(dtab)); |
---|
1201 | /* only token allowed after IGNOREALL is NEWLINE */ |
---|
1202 | if (k && new_order[k - 1] == IgnoreAll && d != Newline) { |
---|
1203 | set_pos(&fp); |
---|
1204 | break; |
---|
1205 | } |
---|
1206 | /* Note: an unknown token is reported as trailing garbage */ |
---|
1207 | if (!TSTBIT(mask_all[style], d)) { |
---|
1208 | file.lpos += strlen(buffer); |
---|
1209 | /* TRANSLATORS: a data "style" is something like NORMAL, DIVING, etc. |
---|
1210 | * a "reading" is one of FROM, TO, TAPE, COMPASS, CLINO for NORMAL |
---|
1211 | * neither style nor reading is a keyword in the program This error |
---|
1212 | * complains about a depth gauge reading in normal style, for example |
---|
1213 | */ |
---|
1214 | compile_error_skip(-/*Reading “%s” not allowed in data style “%s”*/63, |
---|
1215 | buffer, style_name); |
---|
1216 | osfree(style_name); |
---|
1217 | osfree(new_order); |
---|
1218 | return; |
---|
1219 | } |
---|
1220 | if (TSTBIT(mUsed, Newline) && TSTBIT(m_multi, d)) { |
---|
1221 | file.lpos += strlen(buffer); |
---|
1222 | /* TRANSLATORS: caused by e.g. |
---|
1223 | * |
---|
1224 | * *data diving station newline depth tape compass |
---|
1225 | * |
---|
1226 | * ("depth" needs to occur before "newline"). */ |
---|
1227 | compile_error_skip(-/*Reading “%s” must occur before NEWLINE*/225, buffer); |
---|
1228 | osfree(style_name); |
---|
1229 | osfree(new_order); |
---|
1230 | return; |
---|
1231 | } |
---|
1232 | /* Check for duplicates unless it's a special reading: |
---|
1233 | * IGNOREALL,IGNORE (duplicates allowed) ; END (not possible) |
---|
1234 | */ |
---|
1235 | if (!((BIT(Ignore) | BIT(End) | BIT(IgnoreAll)) & BIT(d))) { |
---|
1236 | if (TSTBIT(mUsed, d)) { |
---|
1237 | file.lpos += strlen(buffer); |
---|
1238 | /* TRANSLATORS: complains about a situation like trying to define |
---|
1239 | * two from stations per leg */ |
---|
1240 | compile_error_skip(-/*Duplicate reading “%s”*/67, buffer); |
---|
1241 | osfree(style_name); |
---|
1242 | osfree(new_order); |
---|
1243 | return; |
---|
1244 | } else { |
---|
1245 | /* Check for previously listed readings which are incompatible |
---|
1246 | * with this one - e.g. Count vs FrCount */ |
---|
1247 | bool fBad = fFalse; |
---|
1248 | switch (d) { |
---|
1249 | case Station: |
---|
1250 | if (mUsed & (BIT(Fr) | BIT(To))) fBad = fTrue; |
---|
1251 | break; |
---|
1252 | case Fr: case To: |
---|
1253 | if (TSTBIT(mUsed, Station)) fBad = fTrue; |
---|
1254 | break; |
---|
1255 | case Count: |
---|
1256 | if (mUsed & (BIT(FrCount) | BIT(ToCount) | BIT(Tape))) |
---|
1257 | fBad = fTrue; |
---|
1258 | break; |
---|
1259 | case FrCount: case ToCount: |
---|
1260 | if (mUsed & (BIT(Count) | BIT(Tape))) |
---|
1261 | fBad = fTrue; |
---|
1262 | break; |
---|
1263 | case Depth: |
---|
1264 | if (mUsed & (BIT(FrDepth) | BIT(ToDepth) | BIT(DepthChange))) |
---|
1265 | fBad = fTrue; |
---|
1266 | break; |
---|
1267 | case FrDepth: case ToDepth: |
---|
1268 | if (mUsed & (BIT(Depth) | BIT(DepthChange))) fBad = fTrue; |
---|
1269 | break; |
---|
1270 | case DepthChange: |
---|
1271 | if (mUsed & (BIT(FrDepth) | BIT(ToDepth) | BIT(Depth))) |
---|
1272 | fBad = fTrue; |
---|
1273 | break; |
---|
1274 | case Newline: |
---|
1275 | if (mUsed & ~m_multi) { |
---|
1276 | file.lpos += strlen(buffer); |
---|
1277 | /* TRANSLATORS: e.g. |
---|
1278 | * |
---|
1279 | * *data normal from to tape newline compass clino */ |
---|
1280 | compile_error_skip(-/*NEWLINE can only be preceded by STATION, DEPTH, and COUNT*/226); |
---|
1281 | osfree(style_name); |
---|
1282 | osfree(new_order); |
---|
1283 | return; |
---|
1284 | } |
---|
1285 | if (k == 0) { |
---|
1286 | file.lpos += strlen(buffer); |
---|
1287 | /* TRANSLATORS: error from: |
---|
1288 | * |
---|
1289 | * *data normal newline from to tape compass clino */ |
---|
1290 | compile_error_skip(-/*NEWLINE can’t be the first reading*/222); |
---|
1291 | osfree(style_name); |
---|
1292 | osfree(new_order); |
---|
1293 | return; |
---|
1294 | } |
---|
1295 | break; |
---|
1296 | default: /* avoid compiler warnings about unhandled enums */ |
---|
1297 | break; |
---|
1298 | } |
---|
1299 | if (fBad) { |
---|
1300 | /* Not entirely happy with phrasing this... */ |
---|
1301 | file.lpos += strlen(buffer); |
---|
1302 | /* TRANSLATORS: This is an error from the *DATA command. It |
---|
1303 | * means that a reading (which will appear where %s is isn't |
---|
1304 | * valid as the list of readings has already included the same |
---|
1305 | * reading, or an equivalent one (e.g. you can't have both |
---|
1306 | * DEPTH and DEPTHCHANGE together). */ |
---|
1307 | compile_error_skip(-/*Reading “%s” duplicates previous reading(s)*/77, |
---|
1308 | buffer); |
---|
1309 | osfree(style_name); |
---|
1310 | osfree(new_order); |
---|
1311 | return; |
---|
1312 | } |
---|
1313 | mUsed |= BIT(d); /* used to catch duplicates */ |
---|
1314 | } |
---|
1315 | } |
---|
1316 | if (k && new_order[k - 1] == IgnoreAll) { |
---|
1317 | SVX_ASSERT(d == Newline); |
---|
1318 | k--; |
---|
1319 | d = IgnoreAllAndNewLine; |
---|
1320 | } |
---|
1321 | if (k >= kMac) { |
---|
1322 | kMac = kMac * 2; |
---|
1323 | new_order = osrealloc(new_order, kMac * sizeof(reading)); |
---|
1324 | } |
---|
1325 | new_order[k++] = d; |
---|
1326 | } while (d != End); |
---|
1327 | |
---|
1328 | if (k >= 2 && new_order[k - 2] == Newline) { |
---|
1329 | file.lpos += strlen(buffer); |
---|
1330 | /* TRANSLATORS: error from: |
---|
1331 | * |
---|
1332 | * *data normal from to tape compass clino newline */ |
---|
1333 | compile_error_skip(-/*NEWLINE can’t be the last reading*/223); |
---|
1334 | osfree(style_name); |
---|
1335 | osfree(new_order); |
---|
1336 | return; |
---|
1337 | } |
---|
1338 | |
---|
1339 | if (style == STYLE_NOSURVEY) { |
---|
1340 | if (TSTBIT(mUsed, Station)) { |
---|
1341 | if (k >= kMac) { |
---|
1342 | kMac = kMac * 2; |
---|
1343 | new_order = osrealloc(new_order, kMac * sizeof(reading)); |
---|
1344 | } |
---|
1345 | new_order[k - 1] = Newline; |
---|
1346 | new_order[k++] = End; |
---|
1347 | } |
---|
1348 | } else if (style == STYLE_PASSAGE) { |
---|
1349 | /* Station doesn't mean "multiline" for STYLE_PASSAGE. */ |
---|
1350 | } else if (!TSTBIT(mUsed, Newline) && (m_multi & mUsed)) { |
---|
1351 | /* TRANSLATORS: Error given by something like: |
---|
1352 | * |
---|
1353 | * *data normal station tape compass clino |
---|
1354 | * |
---|
1355 | * ("station" signifies interleaved data). */ |
---|
1356 | compile_error_skip(/*Interleaved readings, but no NEWLINE*/224); |
---|
1357 | osfree(style_name); |
---|
1358 | osfree(new_order); |
---|
1359 | return; |
---|
1360 | } |
---|
1361 | |
---|
1362 | #if 0 |
---|
1363 | printf("mUsed = 0x%x\n", mUsed); |
---|
1364 | #endif |
---|
1365 | |
---|
1366 | /* Check the supplied readings form a sufficient set. */ |
---|
1367 | if (style != STYLE_PASSAGE) { |
---|
1368 | if (mUsed & (BIT(Fr) | BIT(To))) |
---|
1369 | mUsed |= BIT(Station); |
---|
1370 | else if (TSTBIT(mUsed, Station)) |
---|
1371 | mUsed |= BIT(Fr) | BIT(To); |
---|
1372 | } |
---|
1373 | |
---|
1374 | if (mUsed & (BIT(Comp) | BIT(BackComp))) |
---|
1375 | mUsed |= BIT(Comp) | BIT(BackComp); |
---|
1376 | |
---|
1377 | if (mUsed & (BIT(Clino) | BIT(BackClino))) |
---|
1378 | mUsed |= BIT(Clino) | BIT(BackClino); |
---|
1379 | |
---|
1380 | if (mUsed & (BIT(FrDepth) | BIT(ToDepth))) |
---|
1381 | mUsed |= BIT(Depth) | BIT(DepthChange); |
---|
1382 | else if (TSTBIT(mUsed, Depth)) |
---|
1383 | mUsed |= BIT(FrDepth) | BIT(ToDepth) | BIT(DepthChange); |
---|
1384 | else if (TSTBIT(mUsed, DepthChange)) |
---|
1385 | mUsed |= BIT(FrDepth) | BIT(ToDepth) | BIT(Depth); |
---|
1386 | |
---|
1387 | if (mUsed & (BIT(FrCount) | BIT(ToCount))) |
---|
1388 | mUsed |= BIT(Count) | BIT(Tape); |
---|
1389 | else if (TSTBIT(mUsed, Count)) |
---|
1390 | mUsed |= BIT(FrCount) | BIT(ToCount) | BIT(Tape); |
---|
1391 | else if (TSTBIT(mUsed, Tape)) |
---|
1392 | mUsed |= BIT(FrCount) | BIT(ToCount) | BIT(Count); |
---|
1393 | |
---|
1394 | #if 0 |
---|
1395 | printf("mUsed = 0x%x, opt = 0x%x, mask = 0x%x\n", mUsed, |
---|
1396 | mask_optional[style], mask[style]); |
---|
1397 | #endif |
---|
1398 | |
---|
1399 | if (((mUsed &~ BIT(Newline)) | mask_optional[style]) != mask[style]) { |
---|
1400 | /* Test should only fail with too few bits set, not too many */ |
---|
1401 | SVX_ASSERT((((mUsed &~ BIT(Newline)) | mask_optional[style]) |
---|
1402 | &~ mask[style]) == 0); |
---|
1403 | /* TRANSLATORS: i.e. not enough readings for the style. */ |
---|
1404 | compile_error_skip(/*Too few readings for data style “%s”*/64, style_name); |
---|
1405 | osfree(style_name); |
---|
1406 | osfree(new_order); |
---|
1407 | return; |
---|
1408 | } |
---|
1409 | |
---|
1410 | /* don't free default ordering or ordering used by parent */ |
---|
1411 | if (pcs->ordering != default_order && |
---|
1412 | !(pcs->next && pcs->next->ordering == pcs->ordering)) |
---|
1413 | osfree(pcs->ordering); |
---|
1414 | |
---|
1415 | pcs->style = style; |
---|
1416 | pcs->ordering = new_order; |
---|
1417 | |
---|
1418 | osfree(style_name); |
---|
1419 | |
---|
1420 | if (style == STYLE_PASSAGE) { |
---|
1421 | lrudlist * new_psg = osnew(lrudlist); |
---|
1422 | new_psg->tube = NULL; |
---|
1423 | new_psg->next = model; |
---|
1424 | model = new_psg; |
---|
1425 | next_lrud = &(new_psg->tube); |
---|
1426 | } |
---|
1427 | } |
---|
1428 | |
---|
1429 | static void |
---|
1430 | cmd_units(void) |
---|
1431 | { |
---|
1432 | int units, quantity; |
---|
1433 | unsigned long qmask; |
---|
1434 | unsigned long m; /* mask with bit x set to indicate quantity x specified */ |
---|
1435 | real factor; |
---|
1436 | |
---|
1437 | qmask = get_qlist(BIT(Q_POS)|BIT(Q_PLUMB)|BIT(Q_LEVEL)); |
---|
1438 | |
---|
1439 | if (!qmask) return; |
---|
1440 | if (qmask == BIT(Q_DEFAULT)) { |
---|
1441 | default_units(pcs); |
---|
1442 | return; |
---|
1443 | } |
---|
1444 | |
---|
1445 | factor = read_numeric(fTrue, NULL); |
---|
1446 | if (factor == 0.0) { |
---|
1447 | /* TRANSLATORS: error message given by "*units tape 0 feet" - it’s |
---|
1448 | * meaningless to say your tape is marked in "0 feet" (but you might |
---|
1449 | * measure distance by counting knots on a diving line, and tie them |
---|
1450 | * every "2 feet"). */ |
---|
1451 | compile_error_skip(-/**UNITS factor must be non-zero*/200); |
---|
1452 | return; |
---|
1453 | } |
---|
1454 | |
---|
1455 | units = get_units(qmask, fTrue); |
---|
1456 | if (units == UNITS_NULL) return; |
---|
1457 | if (TSTBIT(qmask, Q_GRADIENT)) |
---|
1458 | pcs->f_clino_percent = (units == UNITS_PERCENT); |
---|
1459 | if (TSTBIT(qmask, Q_BACKGRADIENT)) |
---|
1460 | pcs->f_backclino_percent = (units == UNITS_PERCENT); |
---|
1461 | |
---|
1462 | if (factor == HUGE_REAL) { |
---|
1463 | factor = factor_tab[units]; |
---|
1464 | } else { |
---|
1465 | factor *= factor_tab[units]; |
---|
1466 | } |
---|
1467 | |
---|
1468 | for (quantity = 0, m = BIT(quantity); m <= qmask; quantity++, m <<= 1) |
---|
1469 | if (qmask & m) pcs->units[quantity] = factor; |
---|
1470 | } |
---|
1471 | |
---|
1472 | static void |
---|
1473 | cmd_calibrate(void) |
---|
1474 | { |
---|
1475 | real sc, z; |
---|
1476 | unsigned long qmask, m; |
---|
1477 | int quantity; |
---|
1478 | |
---|
1479 | qmask = get_qlist(BIT(Q_POS)|BIT(Q_PLUMB)|BIT(Q_LEVEL)); |
---|
1480 | if (!qmask) return; /* error already reported */ |
---|
1481 | |
---|
1482 | if (qmask == BIT(Q_DEFAULT)) { |
---|
1483 | default_calib(pcs); |
---|
1484 | return; |
---|
1485 | } |
---|
1486 | |
---|
1487 | if (((qmask & LEN_QMASK)) && ((qmask & ANG_QMASK))) { |
---|
1488 | /* TRANSLATORS: e.g. |
---|
1489 | * |
---|
1490 | * *calibrate tape compass 1 1 |
---|
1491 | */ |
---|
1492 | compile_error_skip(/*Can’t calibrate angular and length quantities together*/227); |
---|
1493 | return; |
---|
1494 | } |
---|
1495 | |
---|
1496 | z = read_numeric(fFalse, NULL); |
---|
1497 | sc = read_numeric(fTrue, NULL); |
---|
1498 | if (sc == HUGE_REAL) sc = (real)1.0; |
---|
1499 | /* check for declination scale */ |
---|
1500 | /* perhaps "*calibrate declination XXX" should be "*declination XXX" ? */ |
---|
1501 | if (TSTBIT(qmask, Q_DECLINATION) && sc != 1.0) { |
---|
1502 | /* TRANSLATORS: DECLINATION is a built-in keyword, so best not to |
---|
1503 | * translate */ |
---|
1504 | compile_error_skip(-/*Scale factor must be 1.0 for DECLINATION*/40); |
---|
1505 | return; |
---|
1506 | } |
---|
1507 | if (sc == 0.0) { |
---|
1508 | /* TRANSLATORS: If the scale factor for an instrument is zero, then any |
---|
1509 | * reading would be mapped to zero, which doesn't make sense. */ |
---|
1510 | compile_error_skip(-/*Scale factor must be non-zero*/391); |
---|
1511 | return; |
---|
1512 | } |
---|
1513 | for (quantity = 0, m = BIT(quantity); m <= qmask; quantity++, m <<= 1) { |
---|
1514 | if (qmask & m) { |
---|
1515 | pcs->z[quantity] = pcs->units[quantity] * z; |
---|
1516 | pcs->sc[quantity] = sc; |
---|
1517 | } |
---|
1518 | } |
---|
1519 | } |
---|
1520 | |
---|
1521 | #ifndef NO_DEPRECATED |
---|
1522 | static void |
---|
1523 | cmd_default(void) |
---|
1524 | { |
---|
1525 | static const sztok defaulttab[] = { |
---|
1526 | { "CALIBRATE", CMD_CALIBRATE }, |
---|
1527 | { "DATA", CMD_DATA }, |
---|
1528 | { "UNITS", CMD_UNITS }, |
---|
1529 | { NULL, CMD_NULL } |
---|
1530 | }; |
---|
1531 | static int default_depr_count = 0; |
---|
1532 | |
---|
1533 | if (default_depr_count < 5) { |
---|
1534 | /* TRANSLATORS: If you're unsure what "deprecated" means, see: |
---|
1535 | * http://en.wikipedia.org/wiki/Deprecation */ |
---|
1536 | compile_warning(-/**DEFAULT is deprecated - use *CALIBRATE/DATA/SD/UNITS with argument DEFAULT instead*/20); |
---|
1537 | if (++default_depr_count == 5) |
---|
1538 | compile_warning(/*Further uses of this deprecated feature will not be reported*/95); |
---|
1539 | } |
---|
1540 | |
---|
1541 | get_token(); |
---|
1542 | switch (match_tok(defaulttab, TABSIZE(defaulttab))) { |
---|
1543 | case CMD_CALIBRATE: |
---|
1544 | default_calib(pcs); |
---|
1545 | break; |
---|
1546 | case CMD_DATA: |
---|
1547 | default_style(pcs); |
---|
1548 | default_grade(pcs); |
---|
1549 | break; |
---|
1550 | case CMD_UNITS: |
---|
1551 | default_units(pcs); |
---|
1552 | break; |
---|
1553 | default: |
---|
1554 | file.lpos += strlen(buffer); |
---|
1555 | compile_error_skip(-/*Unknown setting “%s”*/41, buffer); |
---|
1556 | } |
---|
1557 | } |
---|
1558 | #endif |
---|
1559 | |
---|
1560 | static void |
---|
1561 | cmd_include(void) |
---|
1562 | { |
---|
1563 | char *pth, *fnm = NULL; |
---|
1564 | int fnm_len; |
---|
1565 | #ifndef NO_DEPRECATED |
---|
1566 | prefix *root_store; |
---|
1567 | #endif |
---|
1568 | int ch_store; |
---|
1569 | |
---|
1570 | pth = path_from_fnm(file.filename); |
---|
1571 | |
---|
1572 | read_string(&fnm, &fnm_len); |
---|
1573 | |
---|
1574 | #ifndef NO_DEPRECATED |
---|
1575 | /* Since *begin / *end nesting cannot cross file boundaries we only |
---|
1576 | * need to preserve the prefix if the deprecated *prefix command |
---|
1577 | * can be used */ |
---|
1578 | root_store = root; |
---|
1579 | root = pcs->Prefix; /* Root for include file is current prefix */ |
---|
1580 | #endif |
---|
1581 | ch_store = ch; |
---|
1582 | |
---|
1583 | data_file(pth, fnm); |
---|
1584 | |
---|
1585 | #ifndef NO_DEPRECATED |
---|
1586 | root = root_store; /* and restore root */ |
---|
1587 | #endif |
---|
1588 | ch = ch_store; |
---|
1589 | |
---|
1590 | s_free(&fnm); |
---|
1591 | osfree(pth); |
---|
1592 | } |
---|
1593 | |
---|
1594 | static void |
---|
1595 | cmd_sd(void) |
---|
1596 | { |
---|
1597 | real sd, variance; |
---|
1598 | int units; |
---|
1599 | unsigned long qmask, m; |
---|
1600 | int quantity; |
---|
1601 | qmask = get_qlist(BIT(Q_DECLINATION)); |
---|
1602 | if (!qmask) return; /* no quantities found - error already reported */ |
---|
1603 | |
---|
1604 | if (qmask == BIT(Q_DEFAULT)) { |
---|
1605 | default_grade(pcs); |
---|
1606 | return; |
---|
1607 | } |
---|
1608 | sd = read_numeric(fFalse, NULL); |
---|
1609 | if (sd <= (real)0.0) { |
---|
1610 | compile_error_skip(-/*Standard deviation must be positive*/48); |
---|
1611 | return; |
---|
1612 | } |
---|
1613 | units = get_units(qmask, fFalse); |
---|
1614 | if (units == UNITS_NULL) return; |
---|
1615 | |
---|
1616 | sd *= factor_tab[units]; |
---|
1617 | variance = sqrd(sd); |
---|
1618 | |
---|
1619 | for (quantity = 0, m = BIT(quantity); m <= qmask; quantity++, m <<= 1) |
---|
1620 | if (qmask & m) pcs->Var[quantity] = variance; |
---|
1621 | } |
---|
1622 | |
---|
1623 | static void |
---|
1624 | cmd_title(void) |
---|
1625 | { |
---|
1626 | if (!fExplicitTitle && pcs->Prefix == root) { |
---|
1627 | /* If we don't have an explicit title yet, and we're currently in the |
---|
1628 | * root prefix, use this title explicitly. */ |
---|
1629 | fExplicitTitle = fTrue; |
---|
1630 | read_string(&survey_title, &survey_title_len); |
---|
1631 | } else { |
---|
1632 | /* parse and throw away this title (but still check rest of line) */ |
---|
1633 | char *s = NULL; |
---|
1634 | int len; |
---|
1635 | read_string(&s, &len); |
---|
1636 | s_free(&s); |
---|
1637 | } |
---|
1638 | } |
---|
1639 | |
---|
1640 | static const sztok case_tab[] = { |
---|
1641 | {"PRESERVE", OFF}, |
---|
1642 | {"TOLOWER", LOWER}, |
---|
1643 | {"TOUPPER", UPPER}, |
---|
1644 | {NULL, -1} |
---|
1645 | }; |
---|
1646 | |
---|
1647 | static void |
---|
1648 | cmd_case(void) |
---|
1649 | { |
---|
1650 | int setting; |
---|
1651 | get_token(); |
---|
1652 | setting = match_tok(case_tab, TABSIZE(case_tab)); |
---|
1653 | if (setting != -1) { |
---|
1654 | pcs->Case = setting; |
---|
1655 | } else { |
---|
1656 | file.lpos += strlen(buffer); |
---|
1657 | compile_error_skip(-/*Found “%s”, expecting “PRESERVE”, “TOUPPER”, or “TOLOWER”*/10, |
---|
1658 | buffer); |
---|
1659 | } |
---|
1660 | } |
---|
1661 | |
---|
1662 | typedef enum { |
---|
1663 | CS_NONE = -1, |
---|
1664 | CS_CUSTOM, |
---|
1665 | CS_EPSG, |
---|
1666 | CS_ESRI, |
---|
1667 | CS_EUR, |
---|
1668 | CS_IJTSK, |
---|
1669 | CS_JTSK, |
---|
1670 | CS_LAT, |
---|
1671 | CS_LOCAL, |
---|
1672 | CS_LONG, |
---|
1673 | CS_OSGB, |
---|
1674 | CS_S_MERC, |
---|
1675 | CS_UTM |
---|
1676 | } cs_class; |
---|
1677 | |
---|
1678 | static const sztok cs_tab[] = { |
---|
1679 | {"CUSTOM", CS_CUSTOM}, |
---|
1680 | {"EPSG", CS_EPSG}, /* EPSG:<number> */ |
---|
1681 | {"ESRI", CS_ESRI}, /* ESRI:<number> */ |
---|
1682 | {"EUR", CS_EUR}, /* EUR79Z30 */ |
---|
1683 | {"IJTSK", CS_IJTSK}, /* IJTSK or IJTSK03 */ |
---|
1684 | {"JTSK", CS_JTSK}, /* JTSK or JTSK03 */ |
---|
1685 | {"LAT", CS_LAT}, /* LAT-LONG */ |
---|
1686 | {"LOCAL", CS_LOCAL}, |
---|
1687 | {"LONG", CS_LONG}, /* LONG-LAT */ |
---|
1688 | {"OSGB", CS_OSGB}, /* OSGB:<H, N, O, S or T><A-Z except I> */ |
---|
1689 | {"S", CS_S_MERC}, /* S-MERC */ |
---|
1690 | {"UTM", CS_UTM}, /* UTM<zone><N or S or nothing> */ |
---|
1691 | {NULL, CS_NONE} |
---|
1692 | }; |
---|
1693 | |
---|
1694 | static void |
---|
1695 | cmd_cs(void) |
---|
1696 | { |
---|
1697 | char * proj_str = NULL; |
---|
1698 | int proj_str_len; |
---|
1699 | cs_class cs; |
---|
1700 | int cs_sub = INT_MIN; |
---|
1701 | filepos fp; |
---|
1702 | bool output = fFalse; |
---|
1703 | enum { YES, NO, MAYBE } ok_for_output = YES; |
---|
1704 | static bool had_cs = fFalse; |
---|
1705 | |
---|
1706 | if (!had_cs) { |
---|
1707 | had_cs = fTrue; |
---|
1708 | if (first_fix_name) { |
---|
1709 | compile_error_at(first_fix_filename, first_fix_line, |
---|
1710 | /*Station “%s” fixed before CS command first used*/442, |
---|
1711 | sprint_prefix(first_fix_name)); |
---|
1712 | } |
---|
1713 | } |
---|
1714 | |
---|
1715 | get_pos(&fp); |
---|
1716 | /* Note get_token() only accepts letters - it'll stop at digits so "UTM12" |
---|
1717 | * will give token "UTM". */ |
---|
1718 | get_token(); |
---|
1719 | if (strcmp(ucbuffer, "OUT") == 0) { |
---|
1720 | output = fTrue; |
---|
1721 | get_token(); |
---|
1722 | } |
---|
1723 | cs = match_tok(cs_tab, TABSIZE(cs_tab)); |
---|
1724 | switch (cs) { |
---|
1725 | case CS_NONE: |
---|
1726 | break; |
---|
1727 | case CS_CUSTOM: |
---|
1728 | ok_for_output = MAYBE; |
---|
1729 | read_string(&proj_str, &proj_str_len); |
---|
1730 | cs_sub = 0; |
---|
1731 | break; |
---|
1732 | case CS_EPSG: case CS_ESRI: |
---|
1733 | ok_for_output = MAYBE; |
---|
1734 | if (ch == ':' && isdigit(nextch())) { |
---|
1735 | unsigned n = read_uint(); |
---|
1736 | if (n < 1000000) { |
---|
1737 | cs_sub = (int)n; |
---|
1738 | } |
---|
1739 | } |
---|
1740 | break; |
---|
1741 | case CS_EUR: |
---|
1742 | if (isdigit(ch) && |
---|
1743 | read_uint() == 79 && |
---|
1744 | (ch == 'Z' || ch == 'z') && |
---|
1745 | isdigit(nextch()) && |
---|
1746 | read_uint() == 30) { |
---|
1747 | cs_sub = 7930; |
---|
1748 | } |
---|
1749 | break; |
---|
1750 | case CS_JTSK: |
---|
1751 | ok_for_output = NO; |
---|
1752 | /* FALLTHRU */ |
---|
1753 | case CS_IJTSK: |
---|
1754 | if (ch == '0') { |
---|
1755 | if (nextch() == '3') { |
---|
1756 | nextch(); |
---|
1757 | cs_sub = 3; |
---|
1758 | } |
---|
1759 | } else { |
---|
1760 | cs_sub = 0; |
---|
1761 | } |
---|
1762 | break; |
---|
1763 | case CS_LAT: case CS_LONG: |
---|
1764 | ok_for_output = NO; |
---|
1765 | if (ch == '-') { |
---|
1766 | nextch(); |
---|
1767 | get_token_no_blanks(); |
---|
1768 | cs_class cs2 = match_tok(cs_tab, TABSIZE(cs_tab)); |
---|
1769 | if ((cs ^ cs2) == (CS_LAT ^ CS_LONG)) { |
---|
1770 | cs_sub = 0; |
---|
1771 | } |
---|
1772 | } |
---|
1773 | break; |
---|
1774 | case CS_LOCAL: |
---|
1775 | cs_sub = 0; |
---|
1776 | break; |
---|
1777 | case CS_OSGB: |
---|
1778 | if (ch == ':') { |
---|
1779 | int uch1 = toupper(nextch()); |
---|
1780 | if (strchr("HNOST", uch1)) { |
---|
1781 | int uch2 = toupper(nextch()); |
---|
1782 | if (uch2 >= 'A' && uch2 <= 'Z' && uch2 != 'I') { |
---|
1783 | int x, y; |
---|
1784 | nextch(); |
---|
1785 | if (uch1 > 'I') --uch1; |
---|
1786 | uch1 -= 'A'; |
---|
1787 | if (uch2 > 'I') --uch2; |
---|
1788 | uch2 -= 'A'; |
---|
1789 | x = uch1 % 5; |
---|
1790 | y = uch1 / 5; |
---|
1791 | x = (x * 5) + uch2 % 5; |
---|
1792 | y = (y * 5) + uch2 / 5; |
---|
1793 | cs_sub = y * 25 + x; |
---|
1794 | } |
---|
1795 | } |
---|
1796 | } |
---|
1797 | break; |
---|
1798 | case CS_S_MERC: |
---|
1799 | if (ch == '-') { |
---|
1800 | nextch(); |
---|
1801 | get_token_no_blanks(); |
---|
1802 | if (strcmp(ucbuffer, "MERC") == 0) { |
---|
1803 | cs_sub = 0; |
---|
1804 | } |
---|
1805 | } |
---|
1806 | break; |
---|
1807 | case CS_UTM: |
---|
1808 | if (isdigit(ch)) { |
---|
1809 | unsigned n = read_uint(); |
---|
1810 | if (n >= 1 && n <= 60) { |
---|
1811 | int uch = toupper(ch); |
---|
1812 | cs_sub = (int)n; |
---|
1813 | if (uch == 'S') { |
---|
1814 | nextch(); |
---|
1815 | cs_sub = -cs_sub; |
---|
1816 | } else if (uch == 'N') { |
---|
1817 | nextch(); |
---|
1818 | } |
---|
1819 | } |
---|
1820 | } |
---|
1821 | break; |
---|
1822 | } |
---|
1823 | if (cs_sub == INT_MIN || isalnum(ch)) { |
---|
1824 | set_pos(&fp); |
---|
1825 | compile_error_skip(-/*Unknown coordinate system*/434); |
---|
1826 | return; |
---|
1827 | } |
---|
1828 | /* Actually handle the cs */ |
---|
1829 | switch (cs) { |
---|
1830 | case CS_NONE: |
---|
1831 | break; |
---|
1832 | case CS_CUSTOM: |
---|
1833 | /* proj_str already set */ |
---|
1834 | break; |
---|
1835 | case CS_EPSG: |
---|
1836 | proj_str = osmalloc(32); |
---|
1837 | sprintf(proj_str, "+init=epsg:%d +no_defs", cs_sub); |
---|
1838 | break; |
---|
1839 | case CS_ESRI: |
---|
1840 | proj_str = osmalloc(32); |
---|
1841 | sprintf(proj_str, "+init=esri:%d +no_defs", cs_sub); |
---|
1842 | break; |
---|
1843 | case CS_EUR: |
---|
1844 | proj_str = osstrdup("+proj=utm +zone=30 +ellps=intl +towgs84=-86,-98,-119,0,0,0,0 +no_defs"); |
---|
1845 | break; |
---|
1846 | case CS_IJTSK: |
---|
1847 | if (cs_sub == 0) |
---|
1848 | proj_str = osstrdup("+proj=krovak +ellps=bessel +towgs84=570.8285,85.6769,462.842,4.9984,1.5867,5.2611,3.5623 +no_defs"); |
---|
1849 | else |
---|
1850 | proj_str = osstrdup("+proj=krovak +ellps=bessel +towgs84=485.021,169.465,483.839,7.786342,4.397554,4.102655,0 +no_defs"); |
---|
1851 | break; |
---|
1852 | case CS_JTSK: |
---|
1853 | if (cs_sub == 0) |
---|
1854 | proj_str = osstrdup("+proj=krovak +czech +ellps=bessel +towgs84=570.8285,85.6769,462.842,4.9984,1.5867,5.2611,3.5623 +no_defs"); |
---|
1855 | else |
---|
1856 | proj_str = osstrdup("+proj=krovak +czech +ellps=bessel +towgs84=485.021,169.465,483.839,7.786342,4.397554,4.102655,0 +no_defs"); |
---|
1857 | break; |
---|
1858 | case CS_LAT: |
---|
1859 | /* FIXME: Requires PROJ >= 4.8.0 for +axis, and the SDs will be |
---|
1860 | * misapplied, so we may want to swap ourselves. Also, while |
---|
1861 | * therion supports lat-long, I'm not totally convinced that it is |
---|
1862 | * sensible to do so - people often say "lat-long", but probably |
---|
1863 | * don't think that that's actually "Northing, Easting". This |
---|
1864 | * seems like it'll result in people accidentally getting X and Y |
---|
1865 | * swapped in their fixed points... |
---|
1866 | */ |
---|
1867 | #if 0 |
---|
1868 | proj_str = osstrdup("+proj=longlat +ellps=WGS84 +datum=WGS84 +axis=neu +no_defs"); |
---|
1869 | #endif |
---|
1870 | break; |
---|
1871 | case CS_LOCAL: |
---|
1872 | /* FIXME: Is it useful to be able to explicitly specify this? */ |
---|
1873 | break; |
---|
1874 | case CS_LONG: |
---|
1875 | proj_str = osstrdup("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"); |
---|
1876 | break; |
---|
1877 | case CS_OSGB: { |
---|
1878 | int x = 14 - (cs_sub % 25); |
---|
1879 | int y = (cs_sub / 25) - 20; |
---|
1880 | proj_str = osmalloc(160); |
---|
1881 | sprintf(proj_str, "+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=%d +y_0=%d +ellps=airy +datum=OSGB36 +units=m +no_defs", x * 100000, y * 100000); |
---|
1882 | break; |
---|
1883 | } |
---|
1884 | case CS_S_MERC: |
---|
1885 | proj_str = osstrdup("+proj=merc +lat_ts=0 +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +units=m +nadgrids=@null +no_defs"); |
---|
1886 | break; |
---|
1887 | case CS_UTM: |
---|
1888 | proj_str = osmalloc(74); |
---|
1889 | if (cs_sub > 0) { |
---|
1890 | sprintf(proj_str, "+proj=utm +ellps=WGS84 +datum=WGS84 +units=m +zone=%d +no_defs", cs_sub); |
---|
1891 | } else { |
---|
1892 | sprintf(proj_str, "+proj=utm +ellps=WGS84 +datum=WGS84 +units=m +zone=%d +south +no_defs", -cs_sub); |
---|
1893 | } |
---|
1894 | break; |
---|
1895 | } |
---|
1896 | |
---|
1897 | if (!proj_str) { |
---|
1898 | /* printf("CS %d:%d\n", (int)cs, cs_sub); */ |
---|
1899 | set_pos(&fp); |
---|
1900 | compile_error_skip(-/*Unknown coordinate system*/434); |
---|
1901 | return; |
---|
1902 | } |
---|
1903 | |
---|
1904 | if (output) { |
---|
1905 | if (ok_for_output == NO) { |
---|
1906 | set_pos(&fp); |
---|
1907 | compile_error_skip(-/*Coordinate system unsuitable for output*/435); |
---|
1908 | return; |
---|
1909 | } |
---|
1910 | |
---|
1911 | /* If the output projection is already set, we still need to create the |
---|
1912 | * projection object for a custom projection, so we can report errors. |
---|
1913 | * But if the string is identical, we know it's valid. |
---|
1914 | */ |
---|
1915 | if (!proj_out || |
---|
1916 | (ok_for_output == MAYBE && strcmp(proj_str, proj_str_out) != 0)) { |
---|
1917 | projPJ pj = pj_init_plus(proj_str); |
---|
1918 | if (!pj) { |
---|
1919 | set_pos(&fp); |
---|
1920 | compile_error_skip(-/*Invalid coordinate system: %s*/443, |
---|
1921 | pj_strerrno(pj_errno)); |
---|
1922 | return; |
---|
1923 | } |
---|
1924 | if (ok_for_output == MAYBE && pj_is_latlong(pj)) { |
---|
1925 | compile_error_skip(-/*Coordinate system unsuitable for output*/435); |
---|
1926 | return; |
---|
1927 | } |
---|
1928 | if (proj_out) { |
---|
1929 | pj_free(pj); |
---|
1930 | osfree(proj_str); |
---|
1931 | } else { |
---|
1932 | proj_out = pj; |
---|
1933 | proj_str_out = proj_str; |
---|
1934 | } |
---|
1935 | } |
---|
1936 | } else { |
---|
1937 | projPJ pj; |
---|
1938 | if (proj_str_out && strcmp(proj_str, proj_str_out) == 0) { |
---|
1939 | /* Same as the current output projection. */ |
---|
1940 | pj = proj_out; |
---|
1941 | } else { |
---|
1942 | pj = pj_init_plus(proj_str); |
---|
1943 | if (!pj) { |
---|
1944 | set_pos(&fp); |
---|
1945 | compile_error_skip(-/*Invalid coordinate system: %s*/443, |
---|
1946 | pj_strerrno(pj_errno)); |
---|
1947 | return; |
---|
1948 | } |
---|
1949 | } |
---|
1950 | |
---|
1951 | /* Free proj if not used by parent, or as the output projection. */ |
---|
1952 | settings * p = pcs; |
---|
1953 | if (p->proj && (!p->next || p->proj != p->next->proj)) |
---|
1954 | if (p->proj != proj_out) |
---|
1955 | pj_free(p->proj); |
---|
1956 | p->proj = pj; |
---|
1957 | } |
---|
1958 | } |
---|
1959 | |
---|
1960 | static const sztok infer_tab[] = { |
---|
1961 | { "EQUATES", INFER_EQUATES }, |
---|
1962 | { "EXPORTS", INFER_EXPORTS }, |
---|
1963 | { "PLUMBS", INFER_PLUMBS }, |
---|
1964 | #if 0 /* FIXME */ |
---|
1965 | { "SUBSURVEYS", INFER_SUBSURVEYS }, |
---|
1966 | #endif |
---|
1967 | { NULL, INFER_NULL } |
---|
1968 | }; |
---|
1969 | |
---|
1970 | static const sztok onoff_tab[] = { |
---|
1971 | { "OFF", 0 }, |
---|
1972 | { "ON", 1 }, |
---|
1973 | { NULL, -1 } |
---|
1974 | }; |
---|
1975 | |
---|
1976 | static void |
---|
1977 | cmd_infer(void) |
---|
1978 | { |
---|
1979 | infer_what setting; |
---|
1980 | int on; |
---|
1981 | get_token(); |
---|
1982 | setting = match_tok(infer_tab, TABSIZE(infer_tab)); |
---|
1983 | if (setting == INFER_NULL) { |
---|
1984 | file.lpos += strlen(buffer); |
---|
1985 | compile_error_skip(-/*Found “%s”, expecting “EQUATES”, “EXPORTS”, or “PLUMBS”*/31, buffer); |
---|
1986 | return; |
---|
1987 | } |
---|
1988 | get_token(); |
---|
1989 | on = match_tok(onoff_tab, TABSIZE(onoff_tab)); |
---|
1990 | if (on == -1) { |
---|
1991 | file.lpos += strlen(buffer); |
---|
1992 | compile_error_skip(-/*Found “%s”, expecting “ON” or “OFF”*/32, buffer); |
---|
1993 | return; |
---|
1994 | } |
---|
1995 | |
---|
1996 | if (on) { |
---|
1997 | pcs->infer |= BIT(setting); |
---|
1998 | if (setting == INFER_EXPORTS) fExportUsed = fTrue; |
---|
1999 | } else { |
---|
2000 | pcs->infer &= ~BIT(setting); |
---|
2001 | } |
---|
2002 | } |
---|
2003 | |
---|
2004 | static void |
---|
2005 | cmd_truncate(void) |
---|
2006 | { |
---|
2007 | unsigned int truncate_at = 0; /* default is no truncation */ |
---|
2008 | filepos fp; |
---|
2009 | |
---|
2010 | get_pos(&fp); |
---|
2011 | |
---|
2012 | get_token(); |
---|
2013 | if (strcmp(ucbuffer, "OFF") != 0) { |
---|
2014 | if (*ucbuffer) set_pos(&fp); |
---|
2015 | truncate_at = read_uint(); |
---|
2016 | } |
---|
2017 | /* for backward compatibility, "*truncate 0" means "*truncate off" */ |
---|
2018 | pcs->Truncate = (truncate_at == 0) ? INT_MAX : truncate_at; |
---|
2019 | } |
---|
2020 | |
---|
2021 | static void |
---|
2022 | cmd_require(void) |
---|
2023 | { |
---|
2024 | const unsigned int version[] = {COMMAVERSION}; |
---|
2025 | const unsigned int *ver = version; |
---|
2026 | filepos fp; |
---|
2027 | |
---|
2028 | skipblanks(); |
---|
2029 | get_pos(&fp); |
---|
2030 | while (1) { |
---|
2031 | int diff = *ver++ - read_uint(); |
---|
2032 | if (diff > 0) break; |
---|
2033 | if (diff < 0) { |
---|
2034 | size_t i, len; |
---|
2035 | char *v; |
---|
2036 | filepos fp_tmp; |
---|
2037 | |
---|
2038 | /* find end of version number */ |
---|
2039 | while (isdigit(ch) || ch == '.') nextch(); |
---|
2040 | get_pos(&fp_tmp); |
---|
2041 | len = (size_t)(fp_tmp.offset - fp.offset); |
---|
2042 | v = osmalloc(len + 1); |
---|
2043 | set_pos(&fp); |
---|
2044 | for (i = 0; i < len; i++) { |
---|
2045 | v[i] = ch; |
---|
2046 | nextch(); |
---|
2047 | } |
---|
2048 | v[i] = '\0'; |
---|
2049 | /* TRANSLATORS: Feel free to translate as "or newer" instead of "or |
---|
2050 | * greater" if that gives a more natural translation. It's |
---|
2051 | * technically not quite right when there are parallel active release |
---|
2052 | * series (e.g. Survex 1.0.40 was released *after* 1.2.0), but this |
---|
2053 | * seems unlikely to confuse users. "Survex" is the name of the |
---|
2054 | * software, so should not be translated. |
---|
2055 | * |
---|
2056 | * Here "survey" is a "cave map" rather than list of questions - it should be |
---|
2057 | * translated to the terminology that cavers using the language would use. |
---|
2058 | */ |
---|
2059 | fatalerror_in_file(file.filename, file.line, /*Survex version %s or greater required to process this survey data.*/2, v); |
---|
2060 | } |
---|
2061 | if (ch != '.') break; |
---|
2062 | nextch(); |
---|
2063 | if (!isdigit(ch) || ver == version + sizeof(version)) break; |
---|
2064 | } |
---|
2065 | /* skip rest of version number */ |
---|
2066 | while (isdigit(ch) || ch == '.') nextch(); |
---|
2067 | } |
---|
2068 | |
---|
2069 | /* allocate new meta_data if need be */ |
---|
2070 | void |
---|
2071 | copy_on_write_meta(settings *s) |
---|
2072 | { |
---|
2073 | if (!s->meta || s->meta->ref_count != 0) { |
---|
2074 | meta_data * meta_new = osnew(meta_data); |
---|
2075 | if (!s->meta) { |
---|
2076 | meta_new->days1 = meta_new->days2 = -1; |
---|
2077 | } else { |
---|
2078 | *meta_new = *(s->meta); |
---|
2079 | } |
---|
2080 | meta_new->ref_count = 0; |
---|
2081 | s->meta = meta_new; |
---|
2082 | } |
---|
2083 | } |
---|
2084 | |
---|
2085 | static void |
---|
2086 | cmd_date(void) |
---|
2087 | { |
---|
2088 | int year, month, day; |
---|
2089 | int days1, days2; |
---|
2090 | bool implicit_range = fFalse; |
---|
2091 | |
---|
2092 | read_date(&year, &month, &day); |
---|
2093 | days1 = days_since_1900(year, month ? month : 1, day ? day : 1); |
---|
2094 | |
---|
2095 | if (days1 > current_days_since_1900) { |
---|
2096 | compile_warning(-/*Date is in the future!*/80); |
---|
2097 | } |
---|
2098 | |
---|
2099 | skipblanks(); |
---|
2100 | if (ch == '-') { |
---|
2101 | nextch(); |
---|
2102 | read_date(&year, &month, &day); |
---|
2103 | } else { |
---|
2104 | if (month && day) { |
---|
2105 | days2 = days1; |
---|
2106 | goto read; |
---|
2107 | } |
---|
2108 | implicit_range = fTrue; |
---|
2109 | } |
---|
2110 | |
---|
2111 | if (month == 0) month = 12; |
---|
2112 | if (day == 0) day = last_day(year, month); |
---|
2113 | days2 = days_since_1900(year, month, day); |
---|
2114 | |
---|
2115 | if (!implicit_range && days2 > current_days_since_1900) { |
---|
2116 | compile_warning(-/*Date is in the future!*/80); |
---|
2117 | } |
---|
2118 | |
---|
2119 | if (days2 < days1) { |
---|
2120 | compile_error(-/*End of date range is before the start*/81); |
---|
2121 | } |
---|
2122 | |
---|
2123 | read: |
---|
2124 | copy_on_write_meta(pcs); |
---|
2125 | pcs->meta->days1 = days1; |
---|
2126 | pcs->meta->days2 = days2; |
---|
2127 | } |
---|
2128 | |
---|
2129 | typedef void (*cmd_fn)(void); |
---|
2130 | |
---|
2131 | static const cmd_fn cmd_funcs[] = { |
---|
2132 | cmd_alias, |
---|
2133 | cmd_begin, |
---|
2134 | cmd_calibrate, |
---|
2135 | cmd_case, |
---|
2136 | skipline, /*cmd_copyright,*/ |
---|
2137 | cmd_cs, |
---|
2138 | cmd_data, |
---|
2139 | cmd_date, |
---|
2140 | #ifndef NO_DEPRECATED |
---|
2141 | cmd_default, |
---|
2142 | #endif |
---|
2143 | cmd_end, |
---|
2144 | cmd_entrance, |
---|
2145 | cmd_equate, |
---|
2146 | cmd_export, |
---|
2147 | cmd_fix, |
---|
2148 | cmd_flags, |
---|
2149 | cmd_include, |
---|
2150 | cmd_infer, |
---|
2151 | skipline, /*cmd_instrument,*/ |
---|
2152 | #ifndef NO_DEPRECATED |
---|
2153 | cmd_prefix, |
---|
2154 | #endif |
---|
2155 | cmd_require, |
---|
2156 | cmd_sd, |
---|
2157 | cmd_set, |
---|
2158 | solve_network, |
---|
2159 | skipline, /*cmd_team,*/ |
---|
2160 | cmd_title, |
---|
2161 | cmd_truncate, |
---|
2162 | cmd_units |
---|
2163 | }; |
---|
2164 | |
---|
2165 | extern void |
---|
2166 | handle_command(void) |
---|
2167 | { |
---|
2168 | int cmdtok; |
---|
2169 | get_token(); |
---|
2170 | cmdtok = match_tok(cmd_tab, TABSIZE(cmd_tab)); |
---|
2171 | |
---|
2172 | if (cmdtok < 0 || cmdtok >= (int)(sizeof(cmd_funcs) / sizeof(cmd_fn))) { |
---|
2173 | file.lpos += strlen(buffer); |
---|
2174 | compile_error_skip(-/*Unknown command “%s”*/12, buffer); |
---|
2175 | return; |
---|
2176 | } |
---|
2177 | |
---|
2178 | switch (cmdtok) { |
---|
2179 | case CMD_EXPORT: |
---|
2180 | if (!f_export_ok) |
---|
2181 | /* TRANSLATORS: The *EXPORT command is only valid just after *BEGIN |
---|
2182 | * <SURVEY>, so this would generate this error: |
---|
2183 | * |
---|
2184 | * *begin fred |
---|
2185 | * 1 2 1.23 045 -6 |
---|
2186 | * *export 2 |
---|
2187 | * *end fred */ |
---|
2188 | compile_error(/**EXPORT must immediately follow “*BEGIN <SURVEY>”*/57); |
---|
2189 | break; |
---|
2190 | case CMD_COPYRIGHT: |
---|
2191 | case CMD_DATE: |
---|
2192 | case CMD_INSTRUMENT: |
---|
2193 | case CMD_TEAM: |
---|
2194 | case CMD_TITLE: |
---|
2195 | /* These can occur between *begin and *export */ |
---|
2196 | break; |
---|
2197 | default: |
---|
2198 | /* NB: additional handling for "*begin <survey>" in cmd_begin */ |
---|
2199 | f_export_ok = fFalse; |
---|
2200 | break; |
---|
2201 | } |
---|
2202 | |
---|
2203 | cmd_funcs[cmdtok](); |
---|
2204 | } |
---|