1 | /* datain.c |
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2 | * Reads in survey files, dealing with special characters, keywords & data |
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3 | * Copyright (C) 1991-2003,2005 Olly Betts |
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4 | * Copyright (C) 2004 Simeon Warner |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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19 | */ |
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20 | |
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21 | #ifdef HAVE_CONFIG_H |
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22 | #include <config.h> |
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23 | #endif |
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24 | |
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25 | #include <limits.h> |
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26 | #include <stdarg.h> |
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27 | #include <time.h> |
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28 | |
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29 | #include "debug.h" |
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30 | #include "cavern.h" |
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31 | #include "filename.h" |
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32 | #include "message.h" |
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33 | #include "filelist.h" |
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34 | #include "netbits.h" |
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35 | #include "netskel.h" |
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36 | #include "readval.h" |
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37 | #include "datain.h" |
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38 | #include "commands.h" |
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39 | #include "out.h" |
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40 | #include "str.h" |
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41 | |
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42 | #define EPSILON (REAL_EPSILON * 1000) |
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43 | |
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44 | #define var(I) (pcs->Var[(I)]) |
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45 | |
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46 | /* true if x is not-a-number value in Compass (999.0 or -999.0) */ |
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47 | /* Compass uses 999.0 but understands Karst data which used -999.0 */ |
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48 | #define is_compass_NaN(x) ( fabs(fabs(x)-999.0) < EPSILON ) |
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49 | |
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50 | int ch; |
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51 | |
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52 | typedef enum { |
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53 | CTYPE_OMIT, CTYPE_READING, CTYPE_PLUMB, CTYPE_INFERPLUMB, CTYPE_HORIZ |
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54 | } clino_type; |
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55 | |
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56 | /* Don't explicitly initialise as we can't set the jmp_buf - this has |
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57 | * static scope so will be initialised like this anyway */ |
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58 | parse file /* = { NULL, NULL, 0, fFalse, NULL } */ ; |
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59 | |
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60 | bool f_export_ok; |
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61 | |
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62 | static real value[Fr - 1]; |
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63 | #define VAL(N) value[(N)-1] |
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64 | static real variance[Fr - 1]; |
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65 | #define VAR(N) variance[(N)-1] |
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66 | |
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67 | /* style functions */ |
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68 | static int data_normal(void); |
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69 | static int data_cartesian(void); |
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70 | static int data_passage(void); |
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71 | static int data_nosurvey(void); |
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72 | static int data_ignore(void); |
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73 | |
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74 | void |
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75 | get_pos(filepos *fp) |
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76 | { |
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77 | fp->ch = ch; |
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78 | fp->offset = ftell(file.fh); |
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79 | if (fp->offset == -1) |
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80 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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81 | } |
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82 | |
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83 | void |
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84 | set_pos(const filepos *fp) |
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85 | { |
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86 | ch = fp->ch; |
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87 | if (fseek(file.fh, fp->offset, SEEK_SET) == -1) |
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88 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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89 | } |
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90 | |
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91 | static void |
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92 | push_back(int c) |
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93 | { |
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94 | if (c != EOF && ungetc(c, file.fh) == EOF) |
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95 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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96 | } |
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97 | |
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98 | static void |
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99 | error_list_parent_files(void) |
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100 | { |
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101 | if (!file.reported_where && file.parent) { |
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102 | parse *p = file.parent; |
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103 | const char *m = msg(/*In file included from*/5); |
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104 | size_t len = strlen(m); |
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105 | |
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106 | fprintf(STDERR, m); |
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107 | m = msg(/*from*/3); |
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108 | |
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109 | /* Suppress reporting of full include tree for further errors |
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110 | * in this file */ |
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111 | file.reported_where = fTrue; |
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112 | |
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113 | while (p) { |
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114 | /* Force re-report of include tree for further errors in |
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115 | * parent files */ |
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116 | p->reported_where = fFalse; |
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117 | fprintf(STDERR, " %s:%d", p->filename, p->line); |
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118 | p = p->parent; |
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119 | if (p) fprintf(STDERR, ",\n%*s", (int)len, m); |
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120 | } |
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121 | fprintf(STDERR, ":\n"); |
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122 | } |
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123 | } |
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124 | |
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125 | void |
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126 | compile_error(int en, ...) |
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127 | { |
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128 | va_list ap; |
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129 | va_start(ap, en); |
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130 | error_list_parent_files(); |
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131 | v_report(1, file.filename, file.line, en, ap); |
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132 | va_end(ap); |
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133 | } |
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134 | |
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135 | void |
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136 | compile_error_skip(int en, ...) |
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137 | { |
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138 | va_list ap; |
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139 | va_start(ap, en); |
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140 | error_list_parent_files(); |
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141 | v_report(1, file.filename, file.line, en, ap); |
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142 | va_end(ap); |
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143 | skipline(); |
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144 | } |
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145 | |
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146 | void |
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147 | compile_error_token(int en) |
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148 | { |
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149 | char *p = NULL; |
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150 | static int len; |
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151 | s_zero(&p); |
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152 | skipblanks(); |
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153 | while (!isBlank(ch) && !isEol(ch)) { |
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154 | s_catchar(&p, &len, (char)ch); |
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155 | nextch(); |
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156 | } |
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157 | compile_error_skip(en, p ? p : ""); |
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158 | osfree(p); |
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159 | } |
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160 | |
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161 | void |
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162 | compile_warning(int en, ...) |
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163 | { |
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164 | va_list ap; |
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165 | va_start(ap, en); |
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166 | error_list_parent_files(); |
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167 | v_report(0, file.filename, file.line, en, ap); |
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168 | va_end(ap); |
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169 | } |
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170 | |
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171 | /* This function makes a note where to put output files */ |
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172 | static void |
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173 | using_data_file(const char *fnm) |
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174 | { |
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175 | if (!fnm_output_base) { |
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176 | /* was: fnm_output_base = base_from_fnm(fnm); */ |
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177 | fnm_output_base = baseleaf_from_fnm(fnm); |
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178 | } else if (fnm_output_base_is_dir) { |
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179 | /* --output pointed to directory so use the leaf basename in that dir */ |
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180 | char *lf, *p; |
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181 | lf = baseleaf_from_fnm(fnm); |
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182 | p = use_path(fnm_output_base, lf); |
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183 | osfree(lf); |
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184 | osfree(fnm_output_base); |
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185 | fnm_output_base = p; |
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186 | fnm_output_base_is_dir = 0; |
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187 | } |
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188 | } |
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189 | |
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190 | static void |
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191 | skipword(void) |
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192 | { |
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193 | while (!isBlank(ch) && !isEol(ch)) nextch(); |
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194 | } |
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195 | |
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196 | extern void |
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197 | skipblanks(void) |
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198 | { |
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199 | while (isBlank(ch)) nextch(); |
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200 | } |
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201 | |
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202 | extern void |
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203 | skipline(void) |
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204 | { |
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205 | while (!isEol(ch)) nextch(); |
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206 | } |
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207 | |
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208 | #ifndef NO_PERCENTAGE |
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209 | static long int filelen; |
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210 | #endif |
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211 | |
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212 | static void |
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213 | process_bol(void) |
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214 | { |
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215 | #ifndef NO_PERCENTAGE |
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216 | /* print %age of file done */ |
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217 | if (filelen > 0) { |
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218 | filepos fp; |
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219 | get_pos(&fp); |
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220 | printf("%d%%\r", (int)(100 * fp.offset / filelen)); |
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221 | } |
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222 | #endif |
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223 | |
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224 | nextch(); |
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225 | skipblanks(); |
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226 | } |
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227 | |
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228 | static void |
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229 | process_eol(void) |
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230 | { |
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231 | int eolchar; |
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232 | |
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233 | skipblanks(); |
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234 | |
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235 | if (!isEol(ch)) { |
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236 | if (!isComm(ch)) compile_error(/*End of line not blank*/15); |
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237 | skipline(); |
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238 | } |
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239 | |
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240 | eolchar = ch; |
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241 | file.line++; |
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242 | /* skip any different eol characters so we get line counts correct on |
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243 | * DOS text files and similar, but don't count several adjacent blank |
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244 | * lines as one */ |
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245 | while (ch != EOF) { |
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246 | nextch(); |
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247 | if (ch == eolchar || !isEol(ch)) { |
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248 | push_back(ch); |
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249 | break; |
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250 | } |
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251 | } |
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252 | } |
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253 | |
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254 | static bool |
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255 | process_non_data_line(void) |
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256 | { |
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257 | process_bol(); |
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258 | |
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259 | if (isData(ch)) return fFalse; |
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260 | |
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261 | if (isKeywd(ch)) { |
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262 | nextch(); |
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263 | handle_command(); |
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264 | } |
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265 | |
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266 | process_eol(); |
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267 | |
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268 | return fTrue; |
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269 | } |
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270 | |
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271 | static void |
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272 | read_reading(reading r, bool f_optional) |
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273 | { |
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274 | int n_readings; |
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275 | q_quantity q; |
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276 | VAL(r) = read_numeric(f_optional, &n_readings); |
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277 | switch (r) { |
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278 | case Tape: q = Q_LENGTH; break; |
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279 | case Comp: q = Q_BEARING; break; |
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280 | case BackComp: q = Q_BACKBEARING; break; |
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281 | case Clino: q = Q_GRADIENT; break; |
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282 | case BackClino: q = Q_BACKGRADIENT; break; |
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283 | case FrDepth: case ToDepth: q = Q_DEPTH; break; |
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284 | case Dx: q = Q_DX; break; |
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285 | case Dy: q = Q_DY; break; |
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286 | case Dz: q = Q_DZ; break; |
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287 | case FrCount: case ToCount: q = Q_COUNT; break; |
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288 | case Left: q = Q_LEFT; break; |
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289 | case Right: q = Q_RIGHT; break; |
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290 | case Up: q = Q_UP; break; |
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291 | case Down: q = Q_DOWN; break; |
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292 | default: |
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293 | q = Q_NULL; /* Suppress compiler warning */; |
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294 | BUG("Unexpected case"); |
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295 | } |
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296 | VAR(r) = var(q); |
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297 | if (n_readings > 1) VAR(r) /= sqrt(n_readings); |
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298 | } |
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299 | |
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300 | static void |
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301 | read_bearing_or_omit(reading r) |
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302 | { |
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303 | int n_readings; |
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304 | q_quantity q = Q_NULL; |
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305 | VAL(r) = read_numeric_or_omit(&n_readings); |
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306 | switch (r) { |
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307 | case Comp: q = Q_BEARING; break; |
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308 | case BackComp: q = Q_BACKBEARING; break; |
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309 | default: |
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310 | q = Q_NULL; /* Suppress compiler warning */; |
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311 | BUG("Unexpected case"); |
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312 | } |
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313 | VAR(r) = var(q); |
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314 | if (n_readings > 1) VAR(r) /= sqrt(n_readings); |
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315 | } |
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316 | |
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317 | /* For reading Compass MAK files which have a freeform syntax */ |
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318 | static void |
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319 | nextch_handling_eol(void) |
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320 | { |
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321 | nextch(); |
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322 | while (ch != EOF && isEol(ch)) { |
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323 | process_eol(); |
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324 | nextch(); |
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325 | } |
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326 | } |
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327 | |
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328 | #define LITLEN(S) (sizeof(S"") - 1) |
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329 | #define has_ext(F,L,E) ((L) > LITLEN(E) + 1 &&\ |
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330 | (F)[(L) - LITLEN(E) - 1] == FNM_SEP_EXT &&\ |
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331 | strcasecmp((F) + (L) - LITLEN(E), E) == 0) |
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332 | extern void |
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333 | data_file(const char *pth, const char *fnm) |
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334 | { |
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335 | int begin_lineno_store; |
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336 | parse file_store; |
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337 | volatile enum {FMT_SVX, FMT_DAT, FMT_MAK} fmt = FMT_SVX; |
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338 | |
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339 | { |
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340 | char *filename; |
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341 | FILE *fh; |
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342 | size_t len; |
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343 | |
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344 | if (!pth) { |
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345 | /* file specified on command line - don't do special translation */ |
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346 | fh = fopenWithPthAndExt(pth, fnm, EXT_SVX_DATA, "rb", &filename); |
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347 | } else { |
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348 | fh = fopen_portable(pth, fnm, EXT_SVX_DATA, "rb", &filename); |
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349 | } |
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350 | |
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351 | if (fh == NULL) { |
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352 | compile_error(/*Couldn't open data file `%s'*/24, fnm); |
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353 | return; |
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354 | } |
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355 | |
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356 | len = strlen(filename); |
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357 | if (has_ext(filename, len, "dat")) { |
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358 | fmt = FMT_DAT; |
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359 | } else if (has_ext(filename, len, "mak")) { |
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360 | fmt = FMT_MAK; |
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361 | } |
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362 | |
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363 | file_store = file; |
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364 | if (file.fh) file.parent = &file_store; |
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365 | file.fh = fh; |
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366 | file.filename = filename; |
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367 | file.line = 1; |
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368 | file.reported_where = fFalse; |
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369 | } |
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370 | |
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371 | if (fPercent) printf("%s:\n", fnm); |
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372 | |
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373 | using_data_file(file.filename); |
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374 | |
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375 | begin_lineno_store = pcs->begin_lineno; |
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376 | pcs->begin_lineno = 0; |
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377 | |
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378 | #ifndef NO_PERCENTAGE |
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379 | /* Try to find how long the file is... |
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380 | * However, under ANSI fseek( ..., SEEK_END) may not be supported */ |
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381 | filelen = 0; |
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382 | if (fPercent) { |
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383 | if (fseek(file.fh, 0l, SEEK_END) == 0) { |
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384 | filepos fp; |
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385 | get_pos(&fp); |
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386 | filelen = fp.offset; |
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387 | } |
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388 | rewind(file.fh); /* reset file ptr to start & clear any error state */ |
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389 | } |
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390 | #endif |
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391 | |
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392 | if (fmt == FMT_DAT) { |
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393 | short *t; |
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394 | int i; |
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395 | settings *pcsNew; |
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396 | |
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397 | pcsNew = osnew(settings); |
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398 | *pcsNew = *pcs; /* copy contents */ |
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399 | pcsNew->begin_lineno = 0; |
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400 | pcsNew->next = pcs; |
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401 | pcs = pcsNew; |
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402 | default_units(pcs); |
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403 | default_calib(pcs); |
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404 | |
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405 | pcs->style = STYLE_NORMAL; |
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406 | pcs->units[Q_LENGTH] = METRES_PER_FOOT; |
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407 | t = ((short*)osmalloc(ossizeof(short) * 257)) + 1; |
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408 | |
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409 | t[EOF] = SPECIAL_EOL; |
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410 | memset(t, 0, sizeof(short) * 33); |
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411 | for (i = 33; i < 127; i++) t[i] = SPECIAL_NAMES; |
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412 | t[127] = 0; |
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413 | for (i = 128; i < 256; i++) t[i] = SPECIAL_NAMES; |
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414 | t['\t'] |= SPECIAL_BLANK; |
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415 | t[' '] |= SPECIAL_BLANK; |
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416 | t['\032'] |= SPECIAL_EOL; /* Ctrl-Z, so olde DOS text files are handled ok */ |
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417 | t['\n'] |= SPECIAL_EOL; |
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418 | t['\r'] |= SPECIAL_EOL; |
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419 | t['.'] |= SPECIAL_DECIMAL; |
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420 | t['-'] |= SPECIAL_MINUS; |
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421 | t['+'] |= SPECIAL_PLUS; |
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422 | pcs->Translate = t; |
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423 | pcs->Case = OFF; |
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424 | pcs->Truncate = INT_MAX; |
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425 | pcs->infer = 7; /* FIXME: BIT(EQUATES)|BIT(EXPORTS)|BIT(PLUMBS); */ |
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426 | } else if (fmt == FMT_MAK) { |
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427 | short *t; |
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428 | int i; |
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429 | settings *pcsNew; |
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430 | |
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431 | pcsNew = osnew(settings); |
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432 | *pcsNew = *pcs; /* copy contents */ |
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433 | pcsNew->begin_lineno = 0; |
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434 | pcsNew->next = pcs; |
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435 | pcs = pcsNew; |
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436 | |
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437 | t = ((short*)osmalloc(ossizeof(short) * 257)) + 1; |
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438 | |
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439 | t[EOF] = SPECIAL_EOL; |
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440 | memset(t, 0, sizeof(short) * 33); |
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441 | for (i = 33; i < 127; i++) t[i] = SPECIAL_NAMES; |
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442 | t[127] = 0; |
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443 | for (i = 128; i < 256; i++) t[i] = SPECIAL_NAMES; |
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444 | t['['] = t[','] = t[';'] = 0; |
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445 | t['\t'] |= SPECIAL_BLANK; |
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446 | t[' '] |= SPECIAL_BLANK; |
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447 | t['\032'] |= SPECIAL_EOL; /* Ctrl-Z, so olde DOS text files are handled ok */ |
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448 | t['\n'] |= SPECIAL_EOL; |
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449 | t['\r'] |= SPECIAL_EOL; |
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450 | t['.'] |= SPECIAL_DECIMAL; |
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451 | t['-'] |= SPECIAL_MINUS; |
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452 | t['+'] |= SPECIAL_PLUS; |
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453 | pcs->Translate = t; |
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454 | pcs->Case = OFF; |
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455 | pcs->Truncate = INT_MAX; |
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456 | } |
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457 | |
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458 | #ifdef HAVE_SETJMP_H |
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459 | /* errors in nested functions can longjmp here */ |
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460 | if (setjmp(file.jbSkipLine)) { |
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461 | process_eol(); |
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462 | } |
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463 | #endif |
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464 | |
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465 | if (fmt == FMT_DAT) { |
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466 | while (!feof(file.fh) && !ferror(file.fh)) { |
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467 | static reading compass_order[] = { |
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468 | Fr, To, Tape, CompassDATComp, CompassDATClino, |
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469 | CompassDATLeft, CompassDATRight, CompassDATUp, CompassDATDown, |
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470 | CompassDATFlags, IgnoreAll |
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471 | }; |
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472 | static reading compass_order_backsights[] = { |
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473 | Fr, To, Tape, CompassDATComp, CompassDATClino, |
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474 | CompassDATLeft, CompassDATRight, CompassDATUp, CompassDATDown, |
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475 | CompassDATBackComp, CompassDATBackClino, |
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476 | CompassDATFlags, IgnoreAll |
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477 | }; |
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478 | /* <Cave name> */ |
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479 | process_bol(); |
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480 | skipline(); |
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481 | process_eol(); |
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482 | /* SURVEY NAME: <Short name> */ |
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483 | get_token(); |
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484 | get_token(); |
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485 | /* if (ch != ':') ... */ |
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486 | nextch(); |
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487 | skipblanks(); |
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488 | get_token(); |
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489 | skipline(); |
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490 | process_eol(); |
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491 | /* SURVEY DATE: 7 10 79 COMMENT:<Long name> */ |
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492 | /* NB order is *month* *day* year */ |
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493 | get_token(); |
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494 | get_token(); |
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495 | if (ch == ':') { |
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496 | struct tm t; |
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497 | memset(&t, 0, sizeof(struct tm)); |
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498 | |
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499 | copy_on_write_meta(pcs); |
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500 | |
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501 | nextch(); |
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502 | /* struct tm month uses 0 for Jan */ |
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503 | t.tm_mon = read_uint() - 1; |
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504 | t.tm_mday = read_uint(); |
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505 | /* struct tm uses year - 1900 */ |
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506 | t.tm_year = read_uint(); |
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507 | /* Note: Larry says a 2 digit year is always 19XX */ |
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508 | if (t.tm_year >= 100) t.tm_year -= 1900; |
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509 | |
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510 | pcs->meta->date1 = mktime(&t); |
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511 | pcs->meta->date2 = pcs->meta->date1; |
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512 | } else { |
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513 | pcs->meta->date1 = pcs->meta->date2 = 0; |
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514 | } |
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515 | skipline(); |
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516 | process_eol(); |
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517 | /* SURVEY TEAM: */ |
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518 | get_token(); |
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519 | get_token(); |
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520 | skipline(); |
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521 | process_eol(); |
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522 | /* <Survey team> */ |
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523 | nextch(); |
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524 | skipline(); |
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525 | process_eol(); |
---|
526 | /* DECLINATION: 1.00 FORMAT: DDDDLUDRADLN CORRECTIONS: 2.00 3.00 4.00 */ |
---|
527 | get_token(); |
---|
528 | nextch(); /* : */ |
---|
529 | skipblanks(); |
---|
530 | pcs->z[Q_DECLINATION] = -read_numeric(fFalse, NULL); |
---|
531 | pcs->z[Q_DECLINATION] *= pcs->units[Q_DECLINATION]; |
---|
532 | get_token(); |
---|
533 | pcs->ordering = compass_order; |
---|
534 | if (strcmp(buffer, "FORMAT") == 0) { |
---|
535 | nextch(); /* : */ |
---|
536 | get_token(); |
---|
537 | if (strlen(buffer) >= 12 && buffer[11] == 'B') { |
---|
538 | /* We have backsights for compass and clino */ |
---|
539 | pcs->ordering = compass_order_backsights; |
---|
540 | } |
---|
541 | get_token(); |
---|
542 | } |
---|
543 | if (strcmp(buffer, "CORRECTIONS") == 0) { |
---|
544 | nextch(); /* : */ |
---|
545 | pcs->z[Q_BEARING] = -rad(read_numeric(fFalse, NULL)); |
---|
546 | pcs->z[Q_GRADIENT] = -rad(read_numeric(fFalse, NULL)); |
---|
547 | pcs->z[Q_LENGTH] = -read_numeric(fFalse, NULL); |
---|
548 | } else { |
---|
549 | pcs->z[Q_BEARING] = 0; |
---|
550 | pcs->z[Q_GRADIENT] = 0; |
---|
551 | pcs->z[Q_LENGTH] = 0; |
---|
552 | } |
---|
553 | skipline(); |
---|
554 | process_eol(); |
---|
555 | /* BLANK LINE */ |
---|
556 | process_bol(); |
---|
557 | skipline(); |
---|
558 | process_eol(); |
---|
559 | /* heading line */ |
---|
560 | process_bol(); |
---|
561 | skipline(); |
---|
562 | process_eol(); |
---|
563 | /* BLANK LINE */ |
---|
564 | process_bol(); |
---|
565 | skipline(); |
---|
566 | process_eol(); |
---|
567 | while (!feof(file.fh)) { |
---|
568 | process_bol(); |
---|
569 | if (ch == '\x0c') { |
---|
570 | nextch(); |
---|
571 | process_eol(); |
---|
572 | break; |
---|
573 | } |
---|
574 | (void)data_normal(); |
---|
575 | } |
---|
576 | } |
---|
577 | { |
---|
578 | settings *pcsParent = pcs->next; |
---|
579 | SVX_ASSERT(pcsParent); |
---|
580 | pcs->ordering = NULL; |
---|
581 | free_settings(pcs); |
---|
582 | pcs = pcsParent; |
---|
583 | } |
---|
584 | } else if (fmt == FMT_MAK) { |
---|
585 | nextch_handling_eol(); |
---|
586 | while (!feof(file.fh) && !ferror(file.fh)) { |
---|
587 | if (ch == '#') { |
---|
588 | /* include a file */ |
---|
589 | int ch_store; |
---|
590 | char *dat_pth = path_from_fnm(file.filename); |
---|
591 | char *dat_fnm = NULL; |
---|
592 | int dat_fnm_len; |
---|
593 | nextch_handling_eol(); |
---|
594 | while (ch != ',' && ch != ';' && ch != EOF) { |
---|
595 | while (isEol(ch)) process_eol(); |
---|
596 | s_catchar(&dat_fnm, &dat_fnm_len, (char)ch); |
---|
597 | nextch_handling_eol(); |
---|
598 | } |
---|
599 | while (ch != ';' && ch != EOF) { |
---|
600 | prefix *name; |
---|
601 | nextch_handling_eol(); |
---|
602 | name = read_prefix_stn(fTrue, fFalse); |
---|
603 | if (name) { |
---|
604 | skipblanks(); |
---|
605 | if (ch == '[') { |
---|
606 | /* fixed pt */ |
---|
607 | node *stn; |
---|
608 | real x, y, z; |
---|
609 | name->sflags |= BIT(SFLAGS_FIXED); |
---|
610 | nextch_handling_eol(); |
---|
611 | while (!isdigit(ch) && ch != '+' && ch != '-' && |
---|
612 | ch != '.' && ch != ']' && ch != EOF) { |
---|
613 | nextch_handling_eol(); |
---|
614 | } |
---|
615 | x = read_numeric(fFalse, NULL); |
---|
616 | while (!isdigit(ch) && ch != '+' && ch != '-' && |
---|
617 | ch != '.' && ch != ']' && ch != EOF) { |
---|
618 | nextch_handling_eol(); |
---|
619 | } |
---|
620 | y = read_numeric(fFalse, NULL); |
---|
621 | while (!isdigit(ch) && ch != '+' && ch != '-' && |
---|
622 | ch != '.' && ch != ']' && ch != EOF) { |
---|
623 | nextch_handling_eol(); |
---|
624 | } |
---|
625 | z = read_numeric(fFalse, NULL); |
---|
626 | stn = StnFromPfx(name); |
---|
627 | if (!fixed(stn)) { |
---|
628 | POS(stn, 0) = x; |
---|
629 | POS(stn, 1) = y; |
---|
630 | POS(stn, 2) = z; |
---|
631 | fix(stn); |
---|
632 | } else { |
---|
633 | if (x != POS(stn, 0) || y != POS(stn, 1) || |
---|
634 | z != POS(stn, 2)) { |
---|
635 | compile_error(/*Station already fixed or equated to a fixed point*/46); |
---|
636 | } else { |
---|
637 | compile_warning(/*Station already fixed at the same coordinates*/55); |
---|
638 | } |
---|
639 | } |
---|
640 | while (ch != ']' && ch != EOF) nextch_handling_eol(); |
---|
641 | if (ch == ']') { |
---|
642 | nextch_handling_eol(); |
---|
643 | skipblanks(); |
---|
644 | } |
---|
645 | } else { |
---|
646 | /* FIXME: link station - ignore for now */ |
---|
647 | /* FIXME: perhaps issue warning? */ |
---|
648 | } |
---|
649 | while (ch != ',' && ch != ';' && ch != EOF) |
---|
650 | nextch_handling_eol(); |
---|
651 | } |
---|
652 | } |
---|
653 | if (dat_fnm) { |
---|
654 | ch_store = ch; |
---|
655 | data_file(dat_pth, dat_fnm); |
---|
656 | ch = ch_store; |
---|
657 | osfree(dat_fnm); |
---|
658 | } |
---|
659 | } else { |
---|
660 | /* FIXME: also check for % and $ later */ |
---|
661 | nextch_handling_eol(); |
---|
662 | } |
---|
663 | } |
---|
664 | { |
---|
665 | settings *pcsParent = pcs->next; |
---|
666 | SVX_ASSERT(pcsParent); |
---|
667 | free_settings(pcs); |
---|
668 | pcs = pcsParent; |
---|
669 | } |
---|
670 | } else { |
---|
671 | while (!feof(file.fh) && !ferror(file.fh)) { |
---|
672 | if (!process_non_data_line()) { |
---|
673 | volatile int r; |
---|
674 | f_export_ok = fFalse; |
---|
675 | switch (pcs->style) { |
---|
676 | case STYLE_NORMAL: |
---|
677 | case STYLE_DIVING: |
---|
678 | case STYLE_CYLPOLAR: |
---|
679 | r = data_normal(); |
---|
680 | break; |
---|
681 | case STYLE_CARTESIAN: |
---|
682 | r = data_cartesian(); |
---|
683 | break; |
---|
684 | case STYLE_PASSAGE: |
---|
685 | r = data_passage(); |
---|
686 | break; |
---|
687 | case STYLE_NOSURVEY: |
---|
688 | r = data_nosurvey(); |
---|
689 | break; |
---|
690 | case STYLE_IGNORE: |
---|
691 | r = data_ignore(); |
---|
692 | break; |
---|
693 | default: |
---|
694 | r = 0; /* avoid warning */ |
---|
695 | BUG("bad style"); |
---|
696 | } |
---|
697 | /* style function returns 0 => error */ |
---|
698 | } |
---|
699 | } |
---|
700 | } |
---|
701 | |
---|
702 | /* don't allow *BEGIN at the end of a file, then *EXPORT in the |
---|
703 | * including file */ |
---|
704 | f_export_ok = fFalse; |
---|
705 | |
---|
706 | #ifndef NO_PERCENTAGE |
---|
707 | if (fPercent) putnl(); |
---|
708 | #endif |
---|
709 | |
---|
710 | if (pcs->begin_lineno) { |
---|
711 | error_in_file(file.filename, pcs->begin_lineno, |
---|
712 | /*BEGIN with no matching END in this file*/23); |
---|
713 | /* Implicitly close any unclosed BEGINs from this file */ |
---|
714 | do { |
---|
715 | settings *pcsParent = pcs->next; |
---|
716 | SVX_ASSERT(pcsParent); |
---|
717 | free_settings(pcs); |
---|
718 | pcs = pcsParent; |
---|
719 | } while (pcs->begin_lineno); |
---|
720 | } |
---|
721 | |
---|
722 | pcs->begin_lineno = begin_lineno_store; |
---|
723 | |
---|
724 | if (ferror(file.fh)) |
---|
725 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
---|
726 | |
---|
727 | (void)fclose(file.fh); |
---|
728 | |
---|
729 | file = file_store; |
---|
730 | |
---|
731 | /* don't free this - it may be pointed to by prefix.file */ |
---|
732 | /* osfree(file.filename); */ |
---|
733 | } |
---|
734 | |
---|
735 | static real |
---|
736 | mod2pi(real a) |
---|
737 | { |
---|
738 | return a - floor(a / (2 * M_PI)) * (2 * M_PI); |
---|
739 | } |
---|
740 | |
---|
741 | static real |
---|
742 | handle_plumb(clino_type *p_ctype) |
---|
743 | { |
---|
744 | typedef enum { |
---|
745 | CLINO_NULL=-1, CLINO_UP, CLINO_DOWN, CLINO_LEVEL |
---|
746 | } clino_tok; |
---|
747 | static sztok clino_tab[] = { |
---|
748 | {"D", CLINO_DOWN}, |
---|
749 | {"DOWN", CLINO_DOWN}, |
---|
750 | {"H", CLINO_LEVEL}, |
---|
751 | {"LEVEL", CLINO_LEVEL}, |
---|
752 | {"U", CLINO_UP}, |
---|
753 | {"UP", CLINO_UP}, |
---|
754 | {NULL, CLINO_NULL} |
---|
755 | }; |
---|
756 | static real clinos[] = {(real)M_PI_2, (real)(-M_PI_2), (real)0.0}; |
---|
757 | clino_tok tok; |
---|
758 | |
---|
759 | skipblanks(); |
---|
760 | if (isalpha(ch)) { |
---|
761 | filepos fp; |
---|
762 | get_pos(&fp); |
---|
763 | get_token(); |
---|
764 | tok = match_tok(clino_tab, TABSIZE(clino_tab)); |
---|
765 | if (tok != CLINO_NULL) { |
---|
766 | *p_ctype = (tok == CLINO_LEVEL ? CTYPE_HORIZ : CTYPE_PLUMB); |
---|
767 | return clinos[tok]; |
---|
768 | } |
---|
769 | set_pos(&fp); |
---|
770 | } else if (isSign(ch)) { |
---|
771 | int chOld = ch; |
---|
772 | nextch(); |
---|
773 | if (toupper(ch) == 'V') { |
---|
774 | nextch(); |
---|
775 | *p_ctype = CTYPE_PLUMB; |
---|
776 | return (!isMinus(chOld) ? M_PI_2 : -M_PI_2); |
---|
777 | } |
---|
778 | |
---|
779 | if (isOmit(chOld)) { |
---|
780 | *p_ctype = CTYPE_OMIT; |
---|
781 | /* no clino reading, so assume 0 with large sd */ |
---|
782 | return (real)0.0; |
---|
783 | } |
---|
784 | } else if (isOmit(ch)) { |
---|
785 | /* OMIT char may not be a SIGN char too so we need to check here as |
---|
786 | * well as above... */ |
---|
787 | nextch(); |
---|
788 | *p_ctype = CTYPE_OMIT; |
---|
789 | /* no clino reading, so assume 0 with large sd */ |
---|
790 | return (real)0.0; |
---|
791 | } |
---|
792 | return HUGE_REAL; |
---|
793 | } |
---|
794 | |
---|
795 | static void |
---|
796 | warn_readings_differ(int msgno, real diff) |
---|
797 | { |
---|
798 | char buf[64]; |
---|
799 | char *p; |
---|
800 | sprintf(buf, "%.2f", deg(fabs(diff))); |
---|
801 | p = strchr(buf, '.'); |
---|
802 | if (p) { |
---|
803 | char *z = p; |
---|
804 | while (*++p) { |
---|
805 | if (*p != '0') z = p + 1; |
---|
806 | } |
---|
807 | if (*z) *z = '\0'; |
---|
808 | } |
---|
809 | compile_warning(msgno, buf); |
---|
810 | } |
---|
811 | |
---|
812 | static bool |
---|
813 | handle_comp_units(void) |
---|
814 | { |
---|
815 | bool fNoComp = fTrue; |
---|
816 | if (VAL(Comp) != HUGE_REAL) { |
---|
817 | fNoComp = fFalse; |
---|
818 | VAL(Comp) *= pcs->units[Q_BEARING]; |
---|
819 | if (VAL(Comp) < (real)0.0 || VAL(Comp) - M_PI * 2.0 > EPSILON) { |
---|
820 | compile_warning(/*Suspicious compass reading*/59); |
---|
821 | VAL(Comp) = mod2pi(VAL(Comp)); |
---|
822 | } |
---|
823 | } |
---|
824 | if (VAL(BackComp) != HUGE_REAL) { |
---|
825 | fNoComp = fFalse; |
---|
826 | VAL(BackComp) *= pcs->units[Q_BACKBEARING]; |
---|
827 | if (VAL(BackComp) < (real)0.0 || VAL(BackComp) - M_PI * 2.0 > EPSILON) { |
---|
828 | /* FIXME: different message for BackComp? */ |
---|
829 | compile_warning(/*Suspicious compass reading*/59); |
---|
830 | VAL(BackComp) = mod2pi(VAL(BackComp)); |
---|
831 | } |
---|
832 | } |
---|
833 | return fNoComp; |
---|
834 | } |
---|
835 | |
---|
836 | static real |
---|
837 | handle_compass(real *p_var) |
---|
838 | { |
---|
839 | real compvar = VAR(Comp); |
---|
840 | real comp = VAL(Comp); |
---|
841 | real backcomp = VAL(BackComp); |
---|
842 | if (comp != HUGE_REAL) { |
---|
843 | comp = (comp - pcs->z[Q_BEARING]) * pcs->sc[Q_BEARING]; |
---|
844 | comp -= pcs->z[Q_DECLINATION]; |
---|
845 | } |
---|
846 | if (backcomp != HUGE_REAL) { |
---|
847 | backcomp = (backcomp - pcs->z[Q_BACKBEARING]) |
---|
848 | * pcs->sc[Q_BACKBEARING]; |
---|
849 | backcomp -= pcs->z[Q_DECLINATION]; |
---|
850 | backcomp -= M_PI; |
---|
851 | if (comp != HUGE_REAL) { |
---|
852 | real diff = comp - backcomp; |
---|
853 | real adj = fabs(diff) > M_PI ? M_PI : 0; |
---|
854 | diff -= floor((diff + M_PI) / (2 * M_PI)) * 2 * M_PI; |
---|
855 | if (sqrd(diff / 2.0) > compvar + VAR(Q_BACKBEARING)) { |
---|
856 | /* fore and back readings differ by more than 2 sds */ |
---|
857 | warn_readings_differ(/*Compass reading and back compass reading disagree by %s degrees*/98, diff); |
---|
858 | } |
---|
859 | comp = (comp / compvar + backcomp / VAR(BackComp)); |
---|
860 | compvar = (compvar + VAR(BackComp)) / 4; |
---|
861 | comp *= compvar; |
---|
862 | comp += adj; |
---|
863 | } else { |
---|
864 | comp = backcomp; |
---|
865 | compvar = VAR(BackComp); |
---|
866 | } |
---|
867 | } |
---|
868 | *p_var = compvar; |
---|
869 | return comp; |
---|
870 | } |
---|
871 | |
---|
872 | static int |
---|
873 | process_normal(prefix *fr, prefix *to, bool fToFirst, |
---|
874 | clino_type ctype, clino_type backctype) |
---|
875 | { |
---|
876 | real tape = VAL(Tape); |
---|
877 | real clin = VAL(Clino); |
---|
878 | real backclin = VAL(BackClino); |
---|
879 | |
---|
880 | real dx, dy, dz; |
---|
881 | real vx, vy, vz; |
---|
882 | #ifndef NO_COVARIANCES |
---|
883 | real cxy, cyz, czx; |
---|
884 | #endif |
---|
885 | |
---|
886 | bool fNoComp; |
---|
887 | |
---|
888 | /* adjusted tape is negative -- probably the calibration is wrong */ |
---|
889 | if (tape < (real)0.0) { |
---|
890 | /* TRANSLATE different message for topofil? */ |
---|
891 | compile_warning(/*Negative adjusted tape reading*/79); |
---|
892 | } |
---|
893 | |
---|
894 | fNoComp = handle_comp_units(); |
---|
895 | |
---|
896 | if (ctype == CTYPE_READING) { |
---|
897 | real diff_from_abs90; |
---|
898 | clin *= pcs->units[Q_GRADIENT]; |
---|
899 | /* percentage scale */ |
---|
900 | if (pcs->f_clino_percent) clin = atan(clin); |
---|
901 | diff_from_abs90 = fabs(clin) - M_PI_2; |
---|
902 | if (diff_from_abs90 > EPSILON) { |
---|
903 | compile_warning(/*Clino reading over 90 degrees (absolute value)*/51); |
---|
904 | } else if (TSTBIT(pcs->infer, INFER_PLUMBS) && |
---|
905 | diff_from_abs90 >= -EPSILON) { |
---|
906 | ctype = CTYPE_INFERPLUMB; |
---|
907 | } |
---|
908 | } |
---|
909 | |
---|
910 | if (backctype == CTYPE_READING) { |
---|
911 | backclin *= pcs->units[Q_BACKGRADIENT]; |
---|
912 | /* percentage scale */ |
---|
913 | if (pcs->f_backclino_percent) backclin = atan(backclin); |
---|
914 | if (ctype != CTYPE_READING) { |
---|
915 | real diff_from_abs90 = fabs(backclin) - M_PI_2; |
---|
916 | if (diff_from_abs90 > EPSILON) { |
---|
917 | /* FIXME: different message for BackClino? */ |
---|
918 | compile_warning(/*Clino reading over 90 degrees (absolute value)*/51); |
---|
919 | } else if (TSTBIT(pcs->infer, INFER_PLUMBS) && |
---|
920 | diff_from_abs90 >= -EPSILON) { |
---|
921 | backctype = CTYPE_INFERPLUMB; |
---|
922 | } |
---|
923 | } |
---|
924 | } |
---|
925 | |
---|
926 | /* un-infer the plumb if the backsight was just a reading */ |
---|
927 | if (ctype == CTYPE_INFERPLUMB && backctype == CTYPE_READING) { |
---|
928 | ctype = CTYPE_READING; |
---|
929 | } |
---|
930 | |
---|
931 | if (ctype != CTYPE_OMIT && backctype != CTYPE_OMIT && ctype != backctype) { |
---|
932 | compile_error_skip(/*Clino and BackClino readings must be of the same type*/84); |
---|
933 | return 0; |
---|
934 | } |
---|
935 | |
---|
936 | if (ctype == CTYPE_PLUMB || ctype == CTYPE_INFERPLUMB || |
---|
937 | backctype == CTYPE_PLUMB || backctype == CTYPE_INFERPLUMB) { |
---|
938 | /* plumbed */ |
---|
939 | if (!fNoComp) { |
---|
940 | if (ctype == CTYPE_PLUMB || |
---|
941 | (ctype == CTYPE_INFERPLUMB && VAL(Comp) != 0.0) || |
---|
942 | backctype == CTYPE_PLUMB || |
---|
943 | (backctype == CTYPE_INFERPLUMB && VAL(BackComp) != 0.0)) { |
---|
944 | /* FIXME: Different message for BackComp? */ |
---|
945 | compile_warning(/*Compass reading given on plumbed leg*/21); |
---|
946 | } |
---|
947 | } |
---|
948 | |
---|
949 | dx = dy = (real)0.0; |
---|
950 | if (ctype != CTYPE_OMIT) { |
---|
951 | if (backctype != CTYPE_OMIT && (clin > 0) == (backclin > 0)) { |
---|
952 | /* We've got two UPs or two DOWNs - FIXME: not ideal message */ |
---|
953 | compile_error_skip(/*Clino and BackClino readings must be of the same type*/84); |
---|
954 | return 0; |
---|
955 | } |
---|
956 | dz = (clin > (real)0.0) ? tape : -tape; |
---|
957 | } else { |
---|
958 | dz = (backclin < (real)0.0) ? tape : -tape; |
---|
959 | } |
---|
960 | vx = vy = var(Q_POS) / 3.0 + dz * dz * var(Q_PLUMB); |
---|
961 | vz = var(Q_POS) / 3.0 + VAR(Tape); |
---|
962 | #ifndef NO_COVARIANCES |
---|
963 | /* Correct values - no covariances in this case! */ |
---|
964 | cxy = cyz = czx = (real)0.0; |
---|
965 | #endif |
---|
966 | } else { |
---|
967 | /* Each of ctype and backctype are either CTYPE_READING/CTYPE_HORIZ |
---|
968 | * or CTYPE_OMIT */ |
---|
969 | /* clino */ |
---|
970 | real L2, cosG, LcosG, cosG2, sinB, cosB, dx2, dy2, dz2, v, V; |
---|
971 | if (fNoComp) { |
---|
972 | compile_error_skip(/*Compass reading may not be omitted except on plumbed legs*/14); |
---|
973 | return 0; |
---|
974 | } |
---|
975 | if (tape == (real)0.0) { |
---|
976 | dx = dy = dz = (real)0.0; |
---|
977 | vx = vy = vz = (real)(var(Q_POS) / 3.0); /* Position error only */ |
---|
978 | #ifndef NO_COVARIANCES |
---|
979 | cxy = cyz = czx = (real)0.0; |
---|
980 | #endif |
---|
981 | #if DEBUG_DATAIN_1 |
---|
982 | printf("Zero length leg: vx = %f, vy = %f, vz = %f\n", vx, vy, vz); |
---|
983 | #endif |
---|
984 | } else { |
---|
985 | real sinGcosG; |
---|
986 | /* take into account variance in LEVEL case */ |
---|
987 | real var_clin = var(Q_LEVEL); |
---|
988 | real var_comp; |
---|
989 | real comp = handle_compass(&var_comp); |
---|
990 | /* ctype != CTYPE_READING is LEVEL case */ |
---|
991 | if (ctype == CTYPE_READING) { |
---|
992 | clin = (clin - pcs->z[Q_GRADIENT]) * pcs->sc[Q_GRADIENT]; |
---|
993 | var_clin = VAR(Clino); |
---|
994 | } |
---|
995 | if (backctype == CTYPE_READING) { |
---|
996 | backclin = (backclin - pcs->z[Q_BACKGRADIENT]) |
---|
997 | * pcs->sc[Q_BACKGRADIENT]; |
---|
998 | if (ctype == CTYPE_READING) { |
---|
999 | if (sqrd((clin + backclin) / 3.0) > var_clin + VAR(BackClino)) { |
---|
1000 | /* fore and back readings differ by more than 3 sds */ |
---|
1001 | warn_readings_differ(/*Clino reading and back clino reading disagree by %s degrees*/99, clin + backclin); |
---|
1002 | } |
---|
1003 | clin = (clin / var_clin - backclin / VAR(BackClino)); |
---|
1004 | var_clin = (var_clin + VAR(BackClino)) / 4; |
---|
1005 | clin *= var_clin; |
---|
1006 | } else { |
---|
1007 | clin = -backclin; |
---|
1008 | var_clin = VAR(BackClino); |
---|
1009 | } |
---|
1010 | } |
---|
1011 | |
---|
1012 | #if DEBUG_DATAIN |
---|
1013 | printf(" %4.2f %4.2f %4.2f\n", tape, comp, clin); |
---|
1014 | #endif |
---|
1015 | cosG = cos(clin); |
---|
1016 | LcosG = tape * cosG; |
---|
1017 | sinB = sin(comp); |
---|
1018 | cosB = cos(comp); |
---|
1019 | #if DEBUG_DATAIN_1 |
---|
1020 | printf("sinB = %f, cosG = %f, LcosG = %f\n", sinB, cosG, LcosG); |
---|
1021 | #endif |
---|
1022 | dx = LcosG * sinB; |
---|
1023 | dy = LcosG * cosB; |
---|
1024 | dz = tape * sin(clin); |
---|
1025 | /* printf("%.2f\n",clin); */ |
---|
1026 | #if DEBUG_DATAIN_1 |
---|
1027 | printf("dx = %f\ndy = %f\ndz = %f\n", dx, dy, dz); |
---|
1028 | #endif |
---|
1029 | dx2 = dx * dx; |
---|
1030 | L2 = tape * tape; |
---|
1031 | V = VAR(Tape) / L2; |
---|
1032 | dy2 = dy * dy; |
---|
1033 | cosG2 = cosG * cosG; |
---|
1034 | sinGcosG = sin(clin) * cosG; |
---|
1035 | dz2 = dz * dz; |
---|
1036 | v = dz2 * var_clin; |
---|
1037 | #ifdef NO_COVARIANCES |
---|
1038 | vx = (var(Q_POS) / 3.0 + dx2 * V + dy2 * var_comp + |
---|
1039 | (.5 + sinB * sinB * cosG2) * v); |
---|
1040 | vy = (var(Q_POS) / 3.0 + dy2 * V + dx2 * var_comp + |
---|
1041 | (.5 + cosB * cosB * cosG2) * v); |
---|
1042 | if (ctype == CTYPE_OMIT && backctype == CTYPE_OMIT) { |
---|
1043 | /* if no clino, assume sd=tape/sqrt(10) so 3sds = .95*tape */ |
---|
1044 | vz = var(Q_POS) / 3.0 + L2 * (real)0.1; |
---|
1045 | } else { |
---|
1046 | vz = var(Q_POS) / 3.0 + dz2 * V + L2 * cosG2 * var_clin; |
---|
1047 | } |
---|
1048 | /* for Surveyor87 errors: vx=vy=vz=var(Q_POS)/3.0; */ |
---|
1049 | #else |
---|
1050 | vx = var(Q_POS) / 3.0 + dx2 * V + dy2 * var_comp + |
---|
1051 | (sinB * sinB * v); |
---|
1052 | vy = var(Q_POS) / 3.0 + dy2 * V + dx2 * var_comp + |
---|
1053 | (cosB * cosB * v); |
---|
1054 | if (ctype == CTYPE_OMIT && backctype == CTYPE_OMIT) { |
---|
1055 | /* if no clino, assume sd=tape/sqrt(10) so 3sds = .95*tape */ |
---|
1056 | vz = var(Q_POS) / 3.0 + L2 * (real)0.1; |
---|
1057 | } else { |
---|
1058 | vz = var(Q_POS) / 3.0 + dz2 * V + L2 * cosG2 * var_clin; |
---|
1059 | } |
---|
1060 | /* usual covariance formulae are fine in no clino case since |
---|
1061 | * dz = 0 so value of var_clin is ignored */ |
---|
1062 | cxy = sinB * cosB * (VAR(Tape) * cosG2 + var_clin * dz2) |
---|
1063 | - var_comp * dx * dy; |
---|
1064 | czx = VAR(Tape) * sinB * sinGcosG - var_clin * dx * dz; |
---|
1065 | cyz = VAR(Tape) * cosB * sinGcosG - var_clin * dy * dz; |
---|
1066 | #if 0 |
---|
1067 | printf("vx = %6.3f, vy = %6.3f, vz = %6.3f\n", vx, vy, vz); |
---|
1068 | printf("cxy = %6.3f, cyz = %6.3f, czx = %6.3f\n", cxy, cyz, czx); |
---|
1069 | #endif |
---|
1070 | #endif |
---|
1071 | #if DEBUG_DATAIN_1 |
---|
1072 | printf("In DATAIN.C, vx = %f, vy = %f, vz = %f\n", vx, vy, vz); |
---|
1073 | #endif |
---|
1074 | } |
---|
1075 | } |
---|
1076 | #if DEBUG_DATAIN_1 |
---|
1077 | printf("Just before addleg, vx = %f\n", vx); |
---|
1078 | #endif |
---|
1079 | /*printf("dx,dy,dz = %.2f %.2f %.2f\n\n", dx, dy, dz);*/ |
---|
1080 | addlegbyname(fr, to, fToFirst, dx, dy, dz, vx, vy, vz |
---|
1081 | #ifndef NO_COVARIANCES |
---|
1082 | , cyz, czx, cxy |
---|
1083 | #endif |
---|
1084 | ); |
---|
1085 | return 1; |
---|
1086 | } |
---|
1087 | |
---|
1088 | static int |
---|
1089 | process_diving(prefix *fr, prefix *to, bool fToFirst, bool fDepthChange) |
---|
1090 | { |
---|
1091 | real tape = VAL(Tape); |
---|
1092 | |
---|
1093 | real dx, dy, dz; |
---|
1094 | real vx, vy, vz; |
---|
1095 | #ifndef NO_COVARIANCES |
---|
1096 | real cxy = 0, cyz = 0, czx = 0; |
---|
1097 | #endif |
---|
1098 | |
---|
1099 | handle_comp_units(); |
---|
1100 | |
---|
1101 | /* depth gauge readings increase upwards with default calibration */ |
---|
1102 | if (fDepthChange) { |
---|
1103 | SVX_ASSERT(VAL(FrDepth) == 0.0); |
---|
1104 | dz = VAL(ToDepth) * pcs->units[Q_DEPTH] - pcs->z[Q_DEPTH]; |
---|
1105 | dz *= pcs->sc[Q_DEPTH]; |
---|
1106 | } else { |
---|
1107 | dz = VAL(ToDepth) - VAL(FrDepth); |
---|
1108 | dz *= pcs->units[Q_DEPTH] * pcs->sc[Q_DEPTH]; |
---|
1109 | } |
---|
1110 | |
---|
1111 | /* adjusted tape is negative -- probably the calibration is wrong */ |
---|
1112 | if (tape < (real)0.0) { |
---|
1113 | compile_warning(/*Negative adjusted tape reading*/79); |
---|
1114 | } |
---|
1115 | |
---|
1116 | /* check if tape is less than depth change */ |
---|
1117 | if (tape < fabs(dz)) { |
---|
1118 | /* FIXME: allow margin of error based on variances? */ |
---|
1119 | compile_warning(/*Tape reading is less than change in depth*/62); |
---|
1120 | } |
---|
1121 | |
---|
1122 | if (tape == (real)0.0 && dz == 0.0) { |
---|
1123 | dx = dy = dz = (real)0.0; |
---|
1124 | vx = vy = vz = (real)(var(Q_POS) / 3.0); /* Position error only */ |
---|
1125 | } else if (VAL(Comp) == HUGE_REAL && |
---|
1126 | VAL(BackComp) == HUGE_REAL) { |
---|
1127 | /* plumb */ |
---|
1128 | dx = dy = (real)0.0; |
---|
1129 | if (dz < 0) tape = -tape; |
---|
1130 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1131 | dz = (dz * VAR(Tape) + tape * 2 * VAR(ToDepth)) |
---|
1132 | / (VAR(Tape) * 2 * VAR(ToDepth)); |
---|
1133 | vx = vy = var(Q_POS) / 3.0 + dz * dz * var(Q_PLUMB); |
---|
1134 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1135 | vz = var(Q_POS) / 3.0 + VAR(Tape) * 2 * VAR(ToDepth) |
---|
1136 | / (VAR(Tape) + VAR(ToDepth)); |
---|
1137 | } else { |
---|
1138 | real L2, sinB, cosB, dz2, D2; |
---|
1139 | real var_comp; |
---|
1140 | real comp = handle_compass(&var_comp); |
---|
1141 | sinB = sin(comp); |
---|
1142 | cosB = cos(comp); |
---|
1143 | L2 = tape * tape; |
---|
1144 | dz2 = dz * dz; |
---|
1145 | D2 = L2 - dz2; |
---|
1146 | if (D2 <= (real)0.0) { |
---|
1147 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1148 | real vsum = VAR(Tape) + 2 * VAR(ToDepth); |
---|
1149 | dx = dy = (real)0.0; |
---|
1150 | vx = vy = var(Q_POS) / 3.0; |
---|
1151 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1152 | vz = var(Q_POS) / 3.0 + VAR(Tape) * 2 * VAR(ToDepth) / vsum; |
---|
1153 | if (dz > 0) { |
---|
1154 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1155 | dz = (dz * VAR(Tape) + tape * 2 * VAR(ToDepth)) / vsum; |
---|
1156 | } else { |
---|
1157 | dz = (dz * VAR(Tape) - tape * 2 * VAR(ToDepth)) / vsum; |
---|
1158 | } |
---|
1159 | } else { |
---|
1160 | real D = sqrt(D2); |
---|
1161 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1162 | real F = VAR(Tape) * L2 + 2 * VAR(ToDepth) * D2; |
---|
1163 | dx = D * sinB; |
---|
1164 | dy = D * cosB; |
---|
1165 | |
---|
1166 | vx = var(Q_POS) / 3.0 + |
---|
1167 | sinB * sinB * F / D2 + var_comp * dy * dy; |
---|
1168 | vy = var(Q_POS) / 3.0 + |
---|
1169 | cosB * cosB * F / D2 + var_comp * dx * dx; |
---|
1170 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1171 | vz = var(Q_POS) / 3.0 + 2 * VAR(ToDepth); |
---|
1172 | |
---|
1173 | #ifndef NO_COVARIANCES |
---|
1174 | cxy = sinB * cosB * (F / D2 + var_comp * D2); |
---|
1175 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1176 | cyz = -2 * VAR(ToDepth) * dy / D; |
---|
1177 | czx = -2 * VAR(ToDepth) * dx / D; |
---|
1178 | #endif |
---|
1179 | } |
---|
1180 | } |
---|
1181 | addlegbyname(fr, to, fToFirst, dx, dy, dz, vx, vy, vz |
---|
1182 | #ifndef NO_COVARIANCES |
---|
1183 | , cxy, cyz, czx |
---|
1184 | #endif |
---|
1185 | ); |
---|
1186 | return 1; |
---|
1187 | } |
---|
1188 | |
---|
1189 | static int |
---|
1190 | process_cartesian(prefix *fr, prefix *to, bool fToFirst) |
---|
1191 | { |
---|
1192 | real dx = (VAL(Dx) * pcs->units[Q_DX] - pcs->z[Q_DX]) * pcs->sc[Q_DX]; |
---|
1193 | real dy = (VAL(Dy) * pcs->units[Q_DY] - pcs->z[Q_DY]) * pcs->sc[Q_DY]; |
---|
1194 | real dz = (VAL(Dz) * pcs->units[Q_DZ] - pcs->z[Q_DZ]) * pcs->sc[Q_DZ]; |
---|
1195 | |
---|
1196 | addlegbyname(fr, to, fToFirst, dx, dy, dz, VAR(Dx), VAR(Dy), VAR(Dz) |
---|
1197 | #ifndef NO_COVARIANCES |
---|
1198 | , 0, 0, 0 |
---|
1199 | #endif |
---|
1200 | ); |
---|
1201 | return 1; |
---|
1202 | } |
---|
1203 | |
---|
1204 | static int |
---|
1205 | data_cartesian(void) |
---|
1206 | { |
---|
1207 | prefix *fr = NULL, *to = NULL; |
---|
1208 | |
---|
1209 | bool fMulti = fFalse; |
---|
1210 | |
---|
1211 | reading first_stn = End; |
---|
1212 | |
---|
1213 | reading *ordering; |
---|
1214 | |
---|
1215 | again: |
---|
1216 | |
---|
1217 | for (ordering = pcs->ordering ; ; ordering++) { |
---|
1218 | skipblanks(); |
---|
1219 | switch (*ordering) { |
---|
1220 | case Fr: |
---|
1221 | fr = read_prefix_stn(fFalse, fTrue); |
---|
1222 | if (first_stn == End) first_stn = Fr; |
---|
1223 | break; |
---|
1224 | case To: |
---|
1225 | to = read_prefix_stn(fFalse, fTrue); |
---|
1226 | if (first_stn == End) first_stn = To; |
---|
1227 | break; |
---|
1228 | case Station: |
---|
1229 | fr = to; |
---|
1230 | to = read_prefix_stn(fFalse, fFalse); |
---|
1231 | first_stn = To; |
---|
1232 | break; |
---|
1233 | case Dx: case Dy: case Dz: |
---|
1234 | read_reading(*ordering, fFalse); |
---|
1235 | break; |
---|
1236 | case Ignore: |
---|
1237 | skipword(); break; |
---|
1238 | case IgnoreAllAndNewLine: |
---|
1239 | skipline(); |
---|
1240 | /* fall through */ |
---|
1241 | case Newline: |
---|
1242 | if (fr != NULL) { |
---|
1243 | int r; |
---|
1244 | r = process_cartesian(fr, to, first_stn == To); |
---|
1245 | if (!r) skipline(); |
---|
1246 | } |
---|
1247 | fMulti = fTrue; |
---|
1248 | while (1) { |
---|
1249 | process_eol(); |
---|
1250 | process_bol(); |
---|
1251 | if (isData(ch)) break; |
---|
1252 | if (!isComm(ch)) { |
---|
1253 | push_back(ch); |
---|
1254 | return 1; |
---|
1255 | } |
---|
1256 | } |
---|
1257 | break; |
---|
1258 | case IgnoreAll: |
---|
1259 | skipline(); |
---|
1260 | /* fall through */ |
---|
1261 | case End: |
---|
1262 | if (!fMulti) { |
---|
1263 | int r = process_cartesian(fr, to, first_stn == To); |
---|
1264 | process_eol(); |
---|
1265 | return r; |
---|
1266 | } |
---|
1267 | do { |
---|
1268 | process_eol(); |
---|
1269 | process_bol(); |
---|
1270 | } while (isComm(ch)); |
---|
1271 | goto again; |
---|
1272 | default: BUG("Unknown reading in ordering"); |
---|
1273 | } |
---|
1274 | } |
---|
1275 | } |
---|
1276 | |
---|
1277 | static int |
---|
1278 | process_cylpolar(prefix *fr, prefix *to, bool fToFirst, bool fDepthChange) |
---|
1279 | { |
---|
1280 | real tape = VAL(Tape); |
---|
1281 | |
---|
1282 | real dx, dy, dz; |
---|
1283 | real vx, vy, vz; |
---|
1284 | #ifndef NO_COVARIANCES |
---|
1285 | real cxy = 0; |
---|
1286 | #endif |
---|
1287 | |
---|
1288 | handle_comp_units(); |
---|
1289 | |
---|
1290 | /* depth gauge readings increase upwards with default calibration */ |
---|
1291 | if (fDepthChange) { |
---|
1292 | SVX_ASSERT(VAL(FrDepth) == 0.0); |
---|
1293 | dz = VAL(ToDepth) * pcs->units[Q_DEPTH] - pcs->z[Q_DEPTH]; |
---|
1294 | dz *= pcs->sc[Q_DEPTH]; |
---|
1295 | } else { |
---|
1296 | dz = VAL(ToDepth) - VAL(FrDepth); |
---|
1297 | dz *= pcs->units[Q_DEPTH] * pcs->sc[Q_DEPTH]; |
---|
1298 | } |
---|
1299 | |
---|
1300 | /* adjusted tape is negative -- probably the calibration is wrong */ |
---|
1301 | if (tape < (real)0.0) { |
---|
1302 | compile_warning(/*Negative adjusted tape reading*/79); |
---|
1303 | } |
---|
1304 | |
---|
1305 | if (VAL(Comp) == HUGE_REAL && VAL(BackComp) == HUGE_REAL) { |
---|
1306 | /* plumb */ |
---|
1307 | dx = dy = (real)0.0; |
---|
1308 | vx = vy = var(Q_POS) / 3.0 + dz * dz * var(Q_PLUMB); |
---|
1309 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1310 | vz = var(Q_POS) / 3.0 + 2 * VAR(ToDepth); |
---|
1311 | } else { |
---|
1312 | real sinB, cosB; |
---|
1313 | real var_comp; |
---|
1314 | real comp = handle_compass(&var_comp); |
---|
1315 | sinB = sin(comp); |
---|
1316 | cosB = cos(comp); |
---|
1317 | |
---|
1318 | dx = tape * sinB; |
---|
1319 | dy = tape * cosB; |
---|
1320 | |
---|
1321 | vx = var(Q_POS) / 3.0 + |
---|
1322 | VAR(Tape) * sinB * sinB + var_comp * dy * dy; |
---|
1323 | vy = var(Q_POS) / 3.0 + |
---|
1324 | VAR(Tape) * cosB * cosB + var_comp * dx * dx; |
---|
1325 | /* FIXME: Should use FrDepth sometimes... */ |
---|
1326 | vz = var(Q_POS) / 3.0 + 2 * VAR(ToDepth); |
---|
1327 | |
---|
1328 | #ifndef NO_COVARIANCES |
---|
1329 | cxy = (VAR(Tape) - var_comp * tape * tape) * sinB * cosB; |
---|
1330 | #endif |
---|
1331 | } |
---|
1332 | addlegbyname(fr, to, fToFirst, dx, dy, dz, vx, vy, vz |
---|
1333 | #ifndef NO_COVARIANCES |
---|
1334 | , cxy, 0, 0 |
---|
1335 | #endif |
---|
1336 | ); |
---|
1337 | return 1; |
---|
1338 | } |
---|
1339 | |
---|
1340 | /* Process tape/compass/clino, diving, and cylpolar styles of survey data |
---|
1341 | * Also handles topofil (fromcount/tocount or count) in place of tape */ |
---|
1342 | static int |
---|
1343 | data_normal(void) |
---|
1344 | { |
---|
1345 | prefix *fr = NULL, *to = NULL; |
---|
1346 | reading first_stn = End; |
---|
1347 | |
---|
1348 | bool fTopofil = fFalse, fMulti = fFalse; |
---|
1349 | bool fRev; |
---|
1350 | clino_type ctype, backctype; |
---|
1351 | bool fDepthChange; |
---|
1352 | unsigned long compass_dat_flags = 0; |
---|
1353 | |
---|
1354 | reading *ordering; |
---|
1355 | |
---|
1356 | VAL(Tape) = 0; |
---|
1357 | VAL(Comp) = VAL(BackComp) = HUGE_REAL; |
---|
1358 | VAL(FrCount) = VAL(ToCount) = 0; |
---|
1359 | VAL(FrDepth) = VAL(ToDepth) = 0; |
---|
1360 | VAL(Left) = VAL(Right) = VAL(Up) = VAL(Down) = HUGE_REAL; |
---|
1361 | |
---|
1362 | fRev = fFalse; |
---|
1363 | ctype = backctype = CTYPE_OMIT; |
---|
1364 | fDepthChange = fFalse; |
---|
1365 | |
---|
1366 | /* ordering may omit clino reading, so set up default here */ |
---|
1367 | /* this is also used if clino reading is the omit character */ |
---|
1368 | VAL(Clino) = VAL(BackClino) = 0; |
---|
1369 | |
---|
1370 | again: |
---|
1371 | |
---|
1372 | for (ordering = pcs->ordering; ; ordering++) { |
---|
1373 | skipblanks(); |
---|
1374 | switch (*ordering) { |
---|
1375 | case Fr: |
---|
1376 | fr = read_prefix_stn(fFalse, fTrue); |
---|
1377 | if (first_stn == End) first_stn = Fr; |
---|
1378 | break; |
---|
1379 | case To: |
---|
1380 | to = read_prefix_stn(fFalse, fTrue); |
---|
1381 | if (first_stn == End) first_stn = To; |
---|
1382 | break; |
---|
1383 | case Station: |
---|
1384 | fr = to; |
---|
1385 | to = read_prefix_stn(fFalse, fFalse); |
---|
1386 | first_stn = To; |
---|
1387 | break; |
---|
1388 | case Dir: { |
---|
1389 | typedef enum { |
---|
1390 | DIR_NULL=-1, DIR_FORE, DIR_BACK |
---|
1391 | } dir_tok; |
---|
1392 | static sztok dir_tab[] = { |
---|
1393 | {"B", DIR_BACK}, |
---|
1394 | {"F", DIR_FORE}, |
---|
1395 | }; |
---|
1396 | dir_tok tok; |
---|
1397 | get_token(); |
---|
1398 | tok = match_tok(dir_tab, TABSIZE(dir_tab)); |
---|
1399 | switch (tok) { |
---|
1400 | case DIR_FORE: |
---|
1401 | break; |
---|
1402 | case DIR_BACK: |
---|
1403 | fRev = fTrue; |
---|
1404 | break; |
---|
1405 | default: |
---|
1406 | compile_error_skip(/*Found `%s', expecting `F' or `B'*/131, |
---|
1407 | buffer); |
---|
1408 | process_eol(); |
---|
1409 | return 0; |
---|
1410 | } |
---|
1411 | break; |
---|
1412 | } |
---|
1413 | case Tape: |
---|
1414 | read_reading(Tape, fFalse); |
---|
1415 | if (VAL(Tape) < (real)0.0) |
---|
1416 | compile_warning(/*Negative tape reading*/60); |
---|
1417 | break; |
---|
1418 | case Count: |
---|
1419 | VAL(FrCount) = VAL(ToCount); |
---|
1420 | read_reading(ToCount, fFalse); |
---|
1421 | fTopofil = fTrue; |
---|
1422 | break; |
---|
1423 | case FrCount: |
---|
1424 | read_reading(FrCount, fFalse); |
---|
1425 | break; |
---|
1426 | case ToCount: |
---|
1427 | read_reading(ToCount, fFalse); |
---|
1428 | fTopofil = fTrue; |
---|
1429 | break; |
---|
1430 | case Comp: case BackComp: |
---|
1431 | read_bearing_or_omit(*ordering); |
---|
1432 | break; |
---|
1433 | case Clino: |
---|
1434 | read_reading(Clino, fTrue); |
---|
1435 | if (VAL(Clino) == HUGE_REAL) { |
---|
1436 | VAL(Clino) = handle_plumb(&ctype); |
---|
1437 | if (VAL(Clino) != HUGE_REAL) break; |
---|
1438 | compile_error_token(/*Expecting numeric field, found `%s'*/9); |
---|
1439 | process_eol(); |
---|
1440 | return 0; |
---|
1441 | } |
---|
1442 | ctype = CTYPE_READING; |
---|
1443 | break; |
---|
1444 | case BackClino: |
---|
1445 | read_reading(BackClino, fTrue); |
---|
1446 | if (VAL(BackClino) == HUGE_REAL) { |
---|
1447 | VAL(BackClino) = handle_plumb(&backctype); |
---|
1448 | if (VAL(BackClino) != HUGE_REAL) break; |
---|
1449 | compile_error_token(/*Expecting numeric field, found `%s'*/9); |
---|
1450 | process_eol(); |
---|
1451 | return 0; |
---|
1452 | } |
---|
1453 | backctype = CTYPE_READING; |
---|
1454 | break; |
---|
1455 | case FrDepth: case ToDepth: |
---|
1456 | read_reading(*ordering, fFalse); |
---|
1457 | break; |
---|
1458 | case Depth: |
---|
1459 | VAL(FrDepth) = VAL(ToDepth); |
---|
1460 | read_reading(ToDepth, fFalse); |
---|
1461 | break; |
---|
1462 | case DepthChange: |
---|
1463 | fDepthChange = fTrue; |
---|
1464 | VAL(FrDepth) = 0; |
---|
1465 | read_reading(ToDepth, fFalse); |
---|
1466 | break; |
---|
1467 | case CompassDATComp: |
---|
1468 | read_bearing_or_omit(Comp); |
---|
1469 | if (is_compass_NaN(VAL(Comp))) VAL(Comp) = HUGE_REAL; |
---|
1470 | break; |
---|
1471 | case CompassDATBackComp: |
---|
1472 | read_bearing_or_omit(BackComp); |
---|
1473 | if (is_compass_NaN(VAL(BackComp))) VAL(BackComp) = HUGE_REAL; |
---|
1474 | break; |
---|
1475 | case CompassDATClino: |
---|
1476 | read_reading(Clino, fFalse); |
---|
1477 | if (is_compass_NaN(VAL(Clino))) { |
---|
1478 | VAL(Clino) = HUGE_REAL; |
---|
1479 | ctype = CTYPE_OMIT; |
---|
1480 | } else { |
---|
1481 | ctype = CTYPE_READING; |
---|
1482 | } |
---|
1483 | break; |
---|
1484 | case CompassDATBackClino: |
---|
1485 | read_reading(BackClino, fFalse); |
---|
1486 | if (is_compass_NaN(VAL(BackClino))) { |
---|
1487 | VAL(BackClino) = HUGE_REAL; |
---|
1488 | backctype = CTYPE_OMIT; |
---|
1489 | } else { |
---|
1490 | backctype = CTYPE_READING; |
---|
1491 | } |
---|
1492 | break; |
---|
1493 | case CompassDATLeft: case CompassDATRight: |
---|
1494 | case CompassDATUp: case CompassDATDown: { |
---|
1495 | /* FIXME: need to actually make use of these entries! */ |
---|
1496 | reading actual = Left + (*ordering - CompassDATLeft); |
---|
1497 | read_reading(actual, fFalse); |
---|
1498 | if (VAL(actual) < 0) VAL(actual) = HUGE_REAL; |
---|
1499 | break; |
---|
1500 | } |
---|
1501 | case CompassDATFlags: |
---|
1502 | if (ch == '#') { |
---|
1503 | nextch(); |
---|
1504 | if (ch == '|') { |
---|
1505 | filepos fp; |
---|
1506 | get_pos(&fp); |
---|
1507 | nextch(); |
---|
1508 | while (ch >= 'A' && ch <= 'Z') { |
---|
1509 | compass_dat_flags |= BIT(ch - 'A'); |
---|
1510 | /* FIXME: we currently understand X (exclude data) |
---|
1511 | * but should also handle at least some of: |
---|
1512 | * L exclude from length |
---|
1513 | * P no plot |
---|
1514 | * C no adjustment |
---|
1515 | */ |
---|
1516 | nextch(); |
---|
1517 | } |
---|
1518 | if (ch == '#') { |
---|
1519 | nextch(); |
---|
1520 | } else { |
---|
1521 | compass_dat_flags = 0; |
---|
1522 | set_pos(&fp); |
---|
1523 | push_back('|'); |
---|
1524 | ch = '#'; |
---|
1525 | } |
---|
1526 | } else { |
---|
1527 | push_back(ch); |
---|
1528 | ch = '#'; |
---|
1529 | } |
---|
1530 | } |
---|
1531 | break; |
---|
1532 | case Ignore: |
---|
1533 | skipword(); break; |
---|
1534 | case IgnoreAllAndNewLine: |
---|
1535 | skipline(); |
---|
1536 | /* fall through */ |
---|
1537 | case Newline: |
---|
1538 | if (fr != NULL) { |
---|
1539 | int r; |
---|
1540 | if (fTopofil) |
---|
1541 | VAL(Tape) = VAL(ToCount) - VAL(FrCount); |
---|
1542 | /* Note: frdepth == todepth test works regardless of fDepthChange |
---|
1543 | * (frdepth always zero, todepth is change of depth) and also |
---|
1544 | * works for STYLE_NORMAL (both remain 0) */ |
---|
1545 | if (TSTBIT(pcs->infer, INFER_EQUATES) && |
---|
1546 | VAL(Tape) == (real)0.0 && VAL(FrDepth) == VAL(ToDepth)) { |
---|
1547 | process_equate(fr, to); |
---|
1548 | goto inferred_equate; |
---|
1549 | } |
---|
1550 | if (fRev) { |
---|
1551 | prefix *t = fr; |
---|
1552 | fr = to; |
---|
1553 | to = t; |
---|
1554 | } |
---|
1555 | if (fTopofil) { |
---|
1556 | VAL(Tape) *= pcs->units[Q_COUNT] * pcs->sc[Q_COUNT]; |
---|
1557 | } else { |
---|
1558 | VAL(Tape) *= pcs->units[Q_LENGTH]; |
---|
1559 | VAL(Tape) -= pcs->z[Q_LENGTH]; |
---|
1560 | VAL(Tape) *= pcs->sc[Q_LENGTH]; |
---|
1561 | } |
---|
1562 | switch (pcs->style) { |
---|
1563 | case STYLE_NORMAL: |
---|
1564 | r = process_normal(fr, to, (first_stn == To) ^ fRev, |
---|
1565 | ctype, backctype); |
---|
1566 | break; |
---|
1567 | case STYLE_DIVING: |
---|
1568 | r = process_diving(fr, to, (first_stn == To) ^ fRev, |
---|
1569 | fDepthChange); |
---|
1570 | break; |
---|
1571 | case STYLE_CYLPOLAR: |
---|
1572 | r = process_cylpolar(fr, to, (first_stn == To) ^ fRev, |
---|
1573 | fDepthChange); |
---|
1574 | break; |
---|
1575 | default: |
---|
1576 | r = 0; /* avoid warning */ |
---|
1577 | BUG("bad style"); |
---|
1578 | } |
---|
1579 | if (!r) skipline(); |
---|
1580 | |
---|
1581 | /* Swap fr and to back to how they were for next line */ |
---|
1582 | if (fRev) { |
---|
1583 | prefix *t = fr; |
---|
1584 | fr = to; |
---|
1585 | to = t; |
---|
1586 | } |
---|
1587 | } |
---|
1588 | |
---|
1589 | fRev = fFalse; |
---|
1590 | ctype = backctype = CTYPE_OMIT; |
---|
1591 | fDepthChange = fFalse; |
---|
1592 | |
---|
1593 | /* ordering may omit clino reading, so set up default here */ |
---|
1594 | /* this is also used if clino reading is the omit character */ |
---|
1595 | VAL(Clino) = VAL(BackClino) = 0; |
---|
1596 | |
---|
1597 | inferred_equate: |
---|
1598 | |
---|
1599 | fMulti = fTrue; |
---|
1600 | while (1) { |
---|
1601 | process_eol(); |
---|
1602 | process_bol(); |
---|
1603 | if (isData(ch)) break; |
---|
1604 | if (!isComm(ch)) { |
---|
1605 | push_back(ch); |
---|
1606 | return 1; |
---|
1607 | } |
---|
1608 | } |
---|
1609 | break; |
---|
1610 | case IgnoreAll: |
---|
1611 | skipline(); |
---|
1612 | /* fall through */ |
---|
1613 | case End: |
---|
1614 | if (!fMulti) { |
---|
1615 | int r; |
---|
1616 | /* Compass ignore flag is 'X' */ |
---|
1617 | if ((compass_dat_flags & BIT('X' - 'A'))) { |
---|
1618 | process_eol(); |
---|
1619 | return 1; |
---|
1620 | } |
---|
1621 | if (fRev) { |
---|
1622 | prefix *t = fr; |
---|
1623 | fr = to; |
---|
1624 | to = t; |
---|
1625 | } |
---|
1626 | if (fTopofil) VAL(Tape) = VAL(ToCount) - VAL(FrCount); |
---|
1627 | /* Note: frdepth == todepth test works regardless of fDepthChange |
---|
1628 | * (frdepth always zero, todepth is change of depth) and also |
---|
1629 | * works for STYLE_NORMAL (both remain 0) */ |
---|
1630 | if (TSTBIT(pcs->infer, INFER_EQUATES) && |
---|
1631 | VAL(Tape) == (real)0.0 && VAL(FrDepth) == VAL(ToDepth)) { |
---|
1632 | process_equate(fr, to); |
---|
1633 | process_eol(); |
---|
1634 | return 1; |
---|
1635 | } |
---|
1636 | if (fTopofil) { |
---|
1637 | VAL(Tape) *= pcs->units[Q_COUNT] * pcs->sc[Q_COUNT]; |
---|
1638 | } else { |
---|
1639 | VAL(Tape) *= pcs->units[Q_LENGTH]; |
---|
1640 | VAL(Tape) -= pcs->z[Q_LENGTH]; |
---|
1641 | VAL(Tape) *= pcs->sc[Q_LENGTH]; |
---|
1642 | } |
---|
1643 | switch (pcs->style) { |
---|
1644 | case STYLE_NORMAL: |
---|
1645 | r = process_normal(fr, to, (first_stn == To) ^ fRev, |
---|
1646 | ctype, backctype); |
---|
1647 | break; |
---|
1648 | case STYLE_DIVING: |
---|
1649 | r = process_diving(fr, to, (first_stn == To) ^ fRev, |
---|
1650 | fDepthChange); |
---|
1651 | break; |
---|
1652 | case STYLE_CYLPOLAR: |
---|
1653 | r = process_cylpolar(fr, to, (first_stn == To) ^ fRev, |
---|
1654 | fDepthChange); |
---|
1655 | break; |
---|
1656 | default: |
---|
1657 | r = 0; /* Suppress compiler warning */; |
---|
1658 | BUG("bad style"); |
---|
1659 | } |
---|
1660 | |
---|
1661 | process_eol(); |
---|
1662 | return r; |
---|
1663 | } |
---|
1664 | do { |
---|
1665 | process_eol(); |
---|
1666 | process_bol(); |
---|
1667 | } while (isComm(ch)); |
---|
1668 | goto again; |
---|
1669 | default: |
---|
1670 | BUG("Unknown reading in ordering"); |
---|
1671 | } |
---|
1672 | } |
---|
1673 | } |
---|
1674 | |
---|
1675 | static int |
---|
1676 | process_lrud(prefix *stn) |
---|
1677 | { |
---|
1678 | SVX_ASSERT(next_lrud); |
---|
1679 | lrud * xsect = osnew(lrud); |
---|
1680 | xsect->stn = stn; |
---|
1681 | xsect->l = (VAL(Left) * pcs->units[Q_LEFT] - pcs->z[Q_LEFT]) * pcs->sc[Q_LEFT]; |
---|
1682 | xsect->r = (VAL(Right) * pcs->units[Q_RIGHT] - pcs->z[Q_RIGHT]) * pcs->sc[Q_RIGHT]; |
---|
1683 | xsect->u = (VAL(Up) * pcs->units[Q_UP] - pcs->z[Q_UP]) * pcs->sc[Q_UP]; |
---|
1684 | xsect->d = (VAL(Down) * pcs->units[Q_DOWN] - pcs->z[Q_DOWN]) * pcs->sc[Q_DOWN]; |
---|
1685 | xsect->meta = pcs->meta; |
---|
1686 | if (pcs->meta) ++pcs->meta->ref_count; |
---|
1687 | xsect->next = NULL; |
---|
1688 | *next_lrud = xsect; |
---|
1689 | next_lrud = &(xsect->next); |
---|
1690 | |
---|
1691 | return 1; |
---|
1692 | } |
---|
1693 | |
---|
1694 | static int |
---|
1695 | data_passage(void) |
---|
1696 | { |
---|
1697 | prefix *stn = NULL; |
---|
1698 | reading *ordering; |
---|
1699 | |
---|
1700 | for (ordering = pcs->ordering ; ; ordering++) { |
---|
1701 | skipblanks(); |
---|
1702 | switch (*ordering) { |
---|
1703 | case Station: |
---|
1704 | stn = read_prefix_stn(fFalse, fFalse); |
---|
1705 | break; |
---|
1706 | case Left: case Right: case Up: case Down: |
---|
1707 | read_reading(*ordering, fTrue); |
---|
1708 | if (VAL(*ordering) == HUGE_REAL) { |
---|
1709 | if (!isOmit(ch)) { |
---|
1710 | compile_error_token(/*Expecting numeric field, found `%s'*/9); |
---|
1711 | } |
---|
1712 | nextch(); |
---|
1713 | VAL(*ordering) = -1; |
---|
1714 | } |
---|
1715 | break; |
---|
1716 | case Ignore: |
---|
1717 | skipword(); break; |
---|
1718 | case IgnoreAll: |
---|
1719 | skipline(); |
---|
1720 | /* fall through */ |
---|
1721 | case End: { |
---|
1722 | int r = process_lrud(stn); |
---|
1723 | process_eol(); |
---|
1724 | return r; |
---|
1725 | } |
---|
1726 | default: BUG("Unknown reading in ordering"); |
---|
1727 | } |
---|
1728 | } |
---|
1729 | } |
---|
1730 | |
---|
1731 | static int |
---|
1732 | process_nosurvey(prefix *fr, prefix *to, bool fToFirst) |
---|
1733 | { |
---|
1734 | nosurveylink *link; |
---|
1735 | int shape; |
---|
1736 | |
---|
1737 | /* Suppress "unused fixed point" warnings for these stations |
---|
1738 | * We do this if it's a 0 or 1 node - 1 node might be an sdfix |
---|
1739 | */ |
---|
1740 | shape = fr->shape; |
---|
1741 | if (shape == 0 || shape == 1) fr->shape = -1 - shape; |
---|
1742 | shape = to->shape; |
---|
1743 | if (shape == 0 || shape == 1) to->shape = -1 - shape; |
---|
1744 | |
---|
1745 | /* add to linked list which is dealt with after network is solved */ |
---|
1746 | link = osnew(nosurveylink); |
---|
1747 | if (fToFirst) { |
---|
1748 | link->to = StnFromPfx(to); |
---|
1749 | link->fr = StnFromPfx(fr); |
---|
1750 | } else { |
---|
1751 | link->fr = StnFromPfx(fr); |
---|
1752 | link->to = StnFromPfx(to); |
---|
1753 | } |
---|
1754 | link->flags = pcs->flags; |
---|
1755 | link->meta = pcs->meta; |
---|
1756 | if (pcs->meta) ++pcs->meta->ref_count; |
---|
1757 | link->next = nosurveyhead; |
---|
1758 | nosurveyhead = link; |
---|
1759 | return 1; |
---|
1760 | } |
---|
1761 | |
---|
1762 | static int |
---|
1763 | data_nosurvey(void) |
---|
1764 | { |
---|
1765 | prefix *fr = NULL, *to = NULL; |
---|
1766 | |
---|
1767 | bool fMulti = fFalse; |
---|
1768 | |
---|
1769 | reading first_stn = End; |
---|
1770 | |
---|
1771 | reading *ordering; |
---|
1772 | |
---|
1773 | again: |
---|
1774 | |
---|
1775 | for (ordering = pcs->ordering ; ; ordering++) { |
---|
1776 | skipblanks(); |
---|
1777 | switch (*ordering) { |
---|
1778 | case Fr: |
---|
1779 | fr = read_prefix_stn(fFalse, fTrue); |
---|
1780 | if (first_stn == End) first_stn = Fr; |
---|
1781 | break; |
---|
1782 | case To: |
---|
1783 | to = read_prefix_stn(fFalse, fTrue); |
---|
1784 | if (first_stn == End) first_stn = To; |
---|
1785 | break; |
---|
1786 | case Station: |
---|
1787 | fr = to; |
---|
1788 | to = read_prefix_stn(fFalse, fFalse); |
---|
1789 | first_stn = To; |
---|
1790 | break; |
---|
1791 | case Ignore: |
---|
1792 | skipword(); break; |
---|
1793 | case IgnoreAllAndNewLine: |
---|
1794 | skipline(); |
---|
1795 | /* fall through */ |
---|
1796 | case Newline: |
---|
1797 | if (fr != NULL) { |
---|
1798 | int r; |
---|
1799 | r = process_nosurvey(fr, to, first_stn == To); |
---|
1800 | if (!r) skipline(); |
---|
1801 | } |
---|
1802 | if (ordering[1] == End) { |
---|
1803 | do { |
---|
1804 | process_eol(); |
---|
1805 | process_bol(); |
---|
1806 | } while (isComm(ch)); |
---|
1807 | if (!isData(ch)) { |
---|
1808 | push_back(ch); |
---|
1809 | return 1; |
---|
1810 | } |
---|
1811 | goto again; |
---|
1812 | } |
---|
1813 | fMulti = fTrue; |
---|
1814 | while (1) { |
---|
1815 | process_eol(); |
---|
1816 | process_bol(); |
---|
1817 | if (isData(ch)) break; |
---|
1818 | if (!isComm(ch)) { |
---|
1819 | push_back(ch); |
---|
1820 | return 1; |
---|
1821 | } |
---|
1822 | } |
---|
1823 | break; |
---|
1824 | case IgnoreAll: |
---|
1825 | skipline(); |
---|
1826 | /* fall through */ |
---|
1827 | case End: |
---|
1828 | if (!fMulti) { |
---|
1829 | int r = process_nosurvey(fr, to, first_stn == To); |
---|
1830 | process_eol(); |
---|
1831 | return r; |
---|
1832 | } |
---|
1833 | do { |
---|
1834 | process_eol(); |
---|
1835 | process_bol(); |
---|
1836 | } while (isComm(ch)); |
---|
1837 | goto again; |
---|
1838 | default: BUG("Unknown reading in ordering"); |
---|
1839 | } |
---|
1840 | } |
---|
1841 | } |
---|
1842 | |
---|
1843 | /* totally ignore a line of survey data */ |
---|
1844 | static int |
---|
1845 | data_ignore(void) |
---|
1846 | { |
---|
1847 | skipline(); |
---|
1848 | process_eol(); |
---|
1849 | return 1; |
---|
1850 | } |
---|