[6974a34] | 1 | /* readval.c |
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[0395657] | 2 | * Routines to read a prefix or number from the current input file |
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[5b9b9d4] | 3 | * Copyright (C) 1991-2024 Olly Betts |
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[846746e] | 4 | * |
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[89231c4] | 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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[846746e] | 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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[89231c4] | 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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[846746e] | 14 | * |
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[89231c4] | 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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[d333899] | 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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[d1b1380] | 18 | */ |
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| 19 | |
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[4c83f84] | 20 | #include <config.h> |
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[d1b1380] | 21 | |
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[c00c74a9] | 22 | #include <limits.h> |
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[be97baf] | 23 | #include <stddef.h> /* for offsetof */ |
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[c00c74a9] | 24 | |
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[a420b49] | 25 | #include "cavern.h" |
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[5a0ab6a] | 26 | #include "commands.h" /* For match_tok(), etc */ |
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[1ee204e] | 27 | #include "date.h" |
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[dd5b1a8] | 28 | #include "debug.h" |
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[a1706d1] | 29 | #include "filename.h" |
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| 30 | #include "message.h" |
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[d1b1380] | 31 | #include "readval.h" |
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| 32 | #include "datain.h" |
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[fb2e93c] | 33 | #include "netbits.h" |
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[8cf2e04] | 34 | #include "osalloc.h" |
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[76bb277a] | 35 | #include "str.h" |
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[d1b1380] | 36 | |
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[7d5f3c0] | 37 | #ifdef HAVE_SETJMP_H |
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[647407d] | 38 | # define LONGJMP(JB) longjmp((JB), 1) |
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| 39 | #else |
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| 40 | # define LONGJMP(JB) exit(1) |
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| 41 | #endif |
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| 42 | |
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[c86cc71] | 43 | int root_depr_count = 0; |
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| 44 | |
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[710ecc1] | 45 | static prefix * |
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[a2c33ae] | 46 | new_anon_station(void) |
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[710ecc1] | 47 | { |
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[a2c33ae] | 48 | prefix *name = osnew(prefix); |
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| 49 | name->pos = NULL; |
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| 50 | name->ident = NULL; |
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| 51 | name->shape = 0; |
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| 52 | name->stn = NULL; |
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| 53 | name->up = pcs->Prefix; |
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| 54 | name->down = NULL; |
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| 55 | name->filename = file.filename; |
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| 56 | name->line = file.line; |
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[5fc783b] | 57 | name->min_export = name->max_export = 0; |
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[a2c33ae] | 58 | name->sflags = BIT(SFLAGS_ANON); |
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| 59 | /* Keep linked list of anon stations for node stats. */ |
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| 60 | name->right = anon_list; |
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| 61 | anon_list = name; |
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| 62 | return name; |
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[710ecc1] | 63 | } |
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| 64 | |
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[c458cf7] | 65 | /* if prefix is omitted: if PFX_OPT set return NULL, otherwise use longjmp */ |
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| 66 | extern prefix * |
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| 67 | read_prefix(unsigned pfx_flags) |
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[a420b49] | 68 | { |
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[c458cf7] | 69 | bool f_optional = !!(pfx_flags & PFX_OPT); |
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| 70 | bool fSurvey = !!(pfx_flags & PFX_SURVEY); |
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| 71 | bool fSuspectTypo = !!(pfx_flags & PFX_SUSPECT_TYPO); |
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[4a6a094] | 72 | prefix *back_ptr, *ptr; |
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[a420b49] | 73 | char *name; |
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| 74 | size_t name_len = 32; |
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[eb18f4d] | 75 | size_t i; |
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[647407d] | 76 | bool fNew; |
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[63d4f07] | 77 | bool fImplicitPrefix = true; |
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[932f7e9] | 78 | int depth = -1; |
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[d3fa693] | 79 | filepos here; |
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[5b4085b] | 80 | filepos fp_firstsep; |
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[a420b49] | 81 | |
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| 82 | skipblanks(); |
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[d3fa693] | 83 | get_pos(&here); |
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[7f1ab95] | 84 | #ifndef NO_DEPRECATED |
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[a420b49] | 85 | if (isRoot(ch)) { |
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[c458cf7] | 86 | if (!(pfx_flags & PFX_ALLOW_ROOT)) { |
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[cab0f26] | 87 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*ROOT is deprecated*/25); |
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[421b7d2] | 88 | LONGJMP(file.jbSkipLine); |
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[84c60fc] | 89 | } |
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[427eb31] | 90 | if (root_depr_count < 5) { |
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[cab0f26] | 91 | compile_diagnostic(DIAG_WARN|DIAG_COL, /*ROOT is deprecated*/25); |
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[c86cc71] | 92 | if (++root_depr_count == 5) |
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[64544daf] | 93 | compile_diagnostic(DIAG_INFO, /*Further uses of this deprecated feature will not be reported*/95); |
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[c86cc71] | 94 | } |
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[d1b1380] | 95 | nextch(); |
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[a420b49] | 96 | ptr = root; |
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| 97 | if (!isNames(ch)) { |
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| 98 | if (!isSep(ch)) return ptr; |
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[27b8b59] | 99 | /* Allow optional SEPARATOR after ROOT */ |
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[5b4085b] | 100 | get_pos(&fp_firstsep); |
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[a420b49] | 101 | nextch(); |
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| 102 | } |
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[63d4f07] | 103 | fImplicitPrefix = false; |
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[710ecc1] | 104 | #else |
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| 105 | if (0) { |
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| 106 | #endif |
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[a420b49] | 107 | } else { |
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[dcbcae0] | 108 | if ((pfx_flags & PFX_ANON) && |
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[17799a0] | 109 | (isAnon(ch) || (pcs->dash_for_anon_wall_station && ch == '-'))) { |
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[dcbcae0] | 110 | int first_ch = ch; |
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[710ecc1] | 111 | nextch(); |
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| 112 | if (isBlank(ch) || isEol(ch)) { |
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[17799a0] | 113 | if (!isAnon(first_ch)) |
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[dcbcae0] | 114 | goto anon_wall_station; |
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[17799a0] | 115 | /* A single anon alone ('.' by default) is an anonymous |
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[dcbcae0] | 116 | * station which is on a point inside the passage and implies |
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| 117 | * the leg to it is a splay. |
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| 118 | */ |
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| 119 | if (TSTBIT(pcs->flags, FLAGS_ANON_ONE_END)) { |
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[9f55538] | 120 | set_pos(&here); |
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[d0be687d] | 121 | compile_diagnostic(DIAG_ERR|DIAG_WORD, /*Can't have a leg between two anonymous stations*/3); |
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[dcbcae0] | 122 | LONGJMP(file.jbSkipLine); |
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[710ecc1] | 123 | } |
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[dcbcae0] | 124 | pcs->flags |= BIT(FLAGS_ANON_ONE_END) | BIT(FLAGS_IMPLICIT_SPLAY); |
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[a2c33ae] | 125 | return new_anon_station(); |
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[710ecc1] | 126 | } |
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[17799a0] | 127 | if (isAnon(first_ch) && ch == first_ch) { |
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[dcbcae0] | 128 | nextch(); |
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| 129 | if (isBlank(ch) || isEol(ch)) { |
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[17799a0] | 130 | /* A double anon ('..' by default) is an anonymous station |
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[dcbcae0] | 131 | * which is on the wall and implies the leg to it is a splay. |
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| 132 | */ |
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| 133 | prefix * pfx; |
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| 134 | anon_wall_station: |
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| 135 | if (TSTBIT(pcs->flags, FLAGS_ANON_ONE_END)) { |
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[9f55538] | 136 | set_pos(&here); |
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[d0be687d] | 137 | compile_diagnostic(DIAG_ERR|DIAG_WORD, /*Can't have a leg between two anonymous stations*/3); |
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[dcbcae0] | 138 | LONGJMP(file.jbSkipLine); |
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| 139 | } |
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[da65891] | 140 | pcs->flags |= BIT(FLAGS_ANON_ONE_END) | BIT(FLAGS_IMPLICIT_SPLAY); |
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[dcbcae0] | 141 | pfx = new_anon_station(); |
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| 142 | pfx->sflags |= BIT(SFLAGS_WALL); |
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| 143 | return pfx; |
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| 144 | } |
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| 145 | if (ch == first_ch) { |
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| 146 | nextch(); |
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| 147 | if (isBlank(ch) || isEol(ch)) { |
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[17799a0] | 148 | /* A triple anon ('...' by default) is an anonymous |
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[dcbcae0] | 149 | * station, but otherwise not handled specially (e.g. for |
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| 150 | * a single leg down an unexplored side passage to a station |
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| 151 | * which isn't refindable). |
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| 152 | */ |
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| 153 | if (TSTBIT(pcs->flags, FLAGS_ANON_ONE_END)) { |
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[9f55538] | 154 | set_pos(&here); |
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[d0be687d] | 155 | compile_diagnostic(DIAG_ERR|DIAG_WORD, /*Can't have a leg between two anonymous stations*/3); |
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[dcbcae0] | 156 | LONGJMP(file.jbSkipLine); |
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| 157 | } |
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| 158 | pcs->flags |= BIT(FLAGS_ANON_ONE_END); |
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| 159 | return new_anon_station(); |
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| 160 | } |
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| 161 | } |
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| 162 | } |
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[710ecc1] | 163 | set_pos(&here); |
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| 164 | } |
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[a420b49] | 165 | ptr = pcs->Prefix; |
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| 166 | } |
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| 167 | |
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| 168 | i = 0; |
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[be97baf] | 169 | name = NULL; |
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[a420b49] | 170 | do { |
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[63d4f07] | 171 | fNew = false; |
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[be97baf] | 172 | if (name == NULL) { |
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| 173 | /* Need a new name buffer */ |
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| 174 | name = osmalloc(name_len); |
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| 175 | } |
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[a420b49] | 176 | /* i==0 iff this is the first pass */ |
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| 177 | if (i) { |
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| 178 | i = 0; |
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| 179 | nextch(); |
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| 180 | } |
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| 181 | while (isNames(ch)) { |
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| 182 | if (i < pcs->Truncate) { |
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| 183 | /* truncate name */ |
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[1157304] | 184 | name[i++] = (pcs->Case == LOWER ? tolower(ch) : |
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| 185 | (pcs->Case == OFF ? ch : toupper(ch))); |
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[a420b49] | 186 | if (i >= name_len) { |
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| 187 | name_len = name_len + name_len; |
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| 188 | name = osrealloc(name, name_len); |
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| 189 | } |
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[8cf2e04] | 190 | } |
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[a420b49] | 191 | nextch(); |
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[8cf2e04] | 192 | } |
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[5b4085b] | 193 | if (isSep(ch)) { |
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[63d4f07] | 194 | fImplicitPrefix = false; |
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[5b4085b] | 195 | get_pos(&fp_firstsep); |
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| 196 | } |
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[a420b49] | 197 | if (i == 0) { |
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| 198 | osfree(name); |
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[21c226e] | 199 | if (!f_optional) { |
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[ee1d81f] | 200 | if (isEol(ch)) { |
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[84c60fc] | 201 | if (fSurvey) { |
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[cab0f26] | 202 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Expecting survey name*/89); |
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[84c60fc] | 203 | } else { |
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[cab0f26] | 204 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Expecting station name*/28); |
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[84c60fc] | 205 | } |
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[ee1d81f] | 206 | } else { |
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[736f7df] | 207 | /* TRANSLATORS: Here "station" is a survey station, not a train station. */ |
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[cab0f26] | 208 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Character “%c” not allowed in station name (use *SET NAMES to set allowed characters)*/7, ch); |
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[ee1d81f] | 209 | } |
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[647407d] | 210 | LONGJMP(file.jbSkipLine); |
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| 211 | } |
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[a420b49] | 212 | return (prefix *)NULL; |
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[d1b1380] | 213 | } |
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[a420b49] | 214 | |
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[76bb277a] | 215 | name[i++] = '\0'; |
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[cb3d1e2] | 216 | |
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[a420b49] | 217 | back_ptr = ptr; |
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| 218 | ptr = ptr->down; |
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| 219 | if (ptr == NULL) { |
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| 220 | /* Special case first time around at each level */ |
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[be97baf] | 221 | name = osrealloc(name, i); |
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[a420b49] | 222 | ptr = osnew(prefix); |
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| 223 | ptr->ident = name; |
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[be97baf] | 224 | name = NULL; |
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[a420b49] | 225 | ptr->right = ptr->down = NULL; |
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| 226 | ptr->pos = NULL; |
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[6adb88c] | 227 | ptr->shape = 0; |
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[a420b49] | 228 | ptr->stn = NULL; |
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| 229 | ptr->up = back_ptr; |
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[d333899] | 230 | ptr->filename = file.filename; |
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| 231 | ptr->line = file.line; |
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[932f7e9] | 232 | ptr->min_export = ptr->max_export = 0; |
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[95c3272] | 233 | ptr->sflags = BIT(SFLAGS_SURVEY); |
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| 234 | if (fSuspectTypo && !fImplicitPrefix) |
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| 235 | ptr->sflags |= BIT(SFLAGS_SUSPECTTYPO); |
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[a420b49] | 236 | back_ptr->down = ptr; |
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[63d4f07] | 237 | fNew = true; |
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[a420b49] | 238 | } else { |
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[be97baf] | 239 | /* Use caching to speed up adding an increasing sequence to a |
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| 240 | * large survey */ |
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| 241 | static prefix *cached_survey = NULL, *cached_station = NULL; |
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[a420b49] | 242 | prefix *ptrPrev = NULL; |
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[76bb277a] | 243 | int cmp = 1; /* result of strcmp ( -ve for <, 0 for =, +ve for > ) */ |
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[be97baf] | 244 | if (cached_survey == back_ptr) { |
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| 245 | cmp = strcmp(cached_station->ident, name); |
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| 246 | if (cmp <= 0) ptr = cached_station; |
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| 247 | } |
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[f96897b] | 248 | while (ptr && (cmp = strcmp(ptr->ident, name)) < 0) { |
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[a420b49] | 249 | ptrPrev = ptr; |
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| 250 | ptr = ptr->right; |
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| 251 | } |
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| 252 | if (cmp) { |
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| 253 | /* ie we got to one that was higher, or the end */ |
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[be97baf] | 254 | prefix *newptr; |
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| 255 | name = osrealloc(name, i); |
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| 256 | newptr = osnew(prefix); |
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[647407d] | 257 | newptr->ident = name; |
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[be97baf] | 258 | name = NULL; |
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[a420b49] | 259 | if (ptrPrev == NULL) |
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[647407d] | 260 | back_ptr->down = newptr; |
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[a420b49] | 261 | else |
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[647407d] | 262 | ptrPrev->right = newptr; |
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| 263 | newptr->right = ptr; |
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| 264 | newptr->down = NULL; |
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| 265 | newptr->pos = NULL; |
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[6adb88c] | 266 | newptr->shape = 0; |
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[647407d] | 267 | newptr->stn = NULL; |
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| 268 | newptr->up = back_ptr; |
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[d333899] | 269 | newptr->filename = file.filename; |
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| 270 | newptr->line = file.line; |
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[421b7d2] | 271 | newptr->min_export = newptr->max_export = 0; |
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[95c3272] | 272 | newptr->sflags = BIT(SFLAGS_SURVEY); |
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| 273 | if (fSuspectTypo && !fImplicitPrefix) |
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| 274 | newptr->sflags |= BIT(SFLAGS_SUSPECTTYPO); |
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[647407d] | 275 | ptr = newptr; |
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[63d4f07] | 276 | fNew = true; |
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[a420b49] | 277 | } |
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[be97baf] | 278 | cached_survey = back_ptr; |
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| 279 | cached_station = ptr; |
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[d1b1380] | 280 | } |
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[fb2e93c] | 281 | depth++; |
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[63d4f07] | 282 | f_optional = false; /* disallow after first level */ |
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[d3fa693] | 283 | if (isSep(ch)) { |
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| 284 | get_pos(&fp_firstsep); |
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| 285 | if (!TSTBIT(ptr->sflags, SFLAGS_SURVEY)) { |
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| 286 | /* TRANSLATORS: Here "station" is a survey station, not a train station. |
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| 287 | * |
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| 288 | * Here "survey" is a "cave map" rather than list of questions - it should be |
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| 289 | * translated to the terminology that cavers using the language would use. |
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| 290 | */ |
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| 291 | compile_diagnostic(DIAG_ERR|DIAG_FROM(here), /*“%s” can’t be both a station and a survey*/27, |
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| 292 | sprint_prefix(ptr)); |
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| 293 | } |
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| 294 | } |
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[a420b49] | 295 | } while (isSep(ch)); |
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[be97baf] | 296 | if (name) osfree(name); |
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| 297 | |
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[d40f787] | 298 | /* don't warn about a station that is referred to twice */ |
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[95c3272] | 299 | if (!fNew) ptr->sflags &= ~BIT(SFLAGS_SUSPECTTYPO); |
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[421b7d2] | 300 | |
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[6430f0e] | 301 | if (fNew) { |
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[95c3272] | 302 | /* fNew means SFLAGS_SURVEY is currently set */ |
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[4c07c51] | 303 | SVX_ASSERT(TSTBIT(ptr->sflags, SFLAGS_SURVEY)); |
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[c00c74a9] | 304 | if (!fSurvey) { |
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| 305 | ptr->sflags &= ~BIT(SFLAGS_SURVEY); |
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[27b8b59] | 306 | if (TSTBIT(pcs->infer, INFER_EXPORTS)) ptr->min_export = USHRT_MAX; |
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[c00c74a9] | 307 | } |
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[6430f0e] | 308 | } else { |
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| 309 | /* check that the same name isn't being used for a survey and station */ |
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[95c3272] | 310 | if (fSurvey ^ TSTBIT(ptr->sflags, SFLAGS_SURVEY)) { |
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[0b8c321] | 311 | /* TRANSLATORS: Here "station" is a survey station, not a train station. |
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| 312 | * |
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| 313 | * Here "survey" is a "cave map" rather than list of questions - it should be |
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| 314 | * translated to the terminology that cavers using the language would use. |
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| 315 | */ |
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[d3fa693] | 316 | compile_diagnostic(DIAG_ERR|DIAG_FROM(here), /*“%s” can’t be both a station and a survey*/27, |
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[cab0f26] | 317 | sprint_prefix(ptr)); |
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[6430f0e] | 318 | } |
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[27b8b59] | 319 | if (!fSurvey && TSTBIT(pcs->infer, INFER_EXPORTS)) ptr->min_export = USHRT_MAX; |
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[051a72b] | 320 | } |
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| 321 | |
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[932f7e9] | 322 | /* check the export level */ |
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| 323 | #if 0 |
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| 324 | printf("R min %d max %d depth %d pfx %s\n", |
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| 325 | ptr->min_export, ptr->max_export, depth, sprint_prefix(ptr)); |
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| 326 | #endif |
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[c00c74a9] | 327 | if (ptr->min_export == 0 || ptr->min_export == USHRT_MAX) { |
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[932f7e9] | 328 | if (depth > ptr->max_export) ptr->max_export = depth; |
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| 329 | } else if (ptr->max_export < depth) { |
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[dd5b1a8] | 330 | prefix *survey = ptr; |
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| 331 | char *s; |
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[93e3492] | 332 | const char *p; |
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[dd5b1a8] | 333 | int level; |
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| 334 | for (level = ptr->max_export + 1; level; level--) { |
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| 335 | survey = survey->up; |
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[4c07c51] | 336 | SVX_ASSERT(survey); |
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[dd5b1a8] | 337 | } |
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| 338 | s = osstrdup(sprint_prefix(survey)); |
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[93e3492] | 339 | p = sprint_prefix(ptr); |
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[016068a] | 340 | if (survey->filename) { |
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[cab0f26] | 341 | compile_diagnostic_pfx(DIAG_ERR, survey, |
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| 342 | /*Station “%s” not exported from survey “%s”*/26, |
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| 343 | p, s); |
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[93e3492] | 344 | } else { |
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[cab0f26] | 345 | compile_diagnostic(DIAG_ERR, /*Station “%s” not exported from survey “%s”*/26, p, s); |
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[016068a] | 346 | } |
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[dd5b1a8] | 347 | osfree(s); |
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[932f7e9] | 348 | #if 0 |
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| 349 | printf(" *** pfx %s warning not exported enough depth %d " |
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[421b7d2] | 350 | "ptr->max_export %d\n", sprint_prefix(ptr), |
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[932f7e9] | 351 | depth, ptr->max_export); |
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| 352 | #endif |
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| 353 | } |
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[0fa7aac] | 354 | if (!fImplicitPrefix && (pfx_flags & PFX_WARN_SEPARATOR)) { |
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[5b4085b] | 355 | filepos fp_tmp; |
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| 356 | get_pos(&fp_tmp); |
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| 357 | set_pos(&fp_firstsep); |
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| 358 | compile_diagnostic(DIAG_WARN|DIAG_COL, /*Separator in survey name*/392); |
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| 359 | set_pos(&fp_tmp); |
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[0fa7aac] | 360 | } |
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[a420b49] | 361 | return ptr; |
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[d1b1380] | 362 | } |
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| 363 | |
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[77cdf30] | 364 | char * |
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| 365 | read_walls_prefix(void) |
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| 366 | { |
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[08610e6] | 367 | string name = S_INIT; |
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| 368 | skipblanks(); |
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| 369 | if (!isNames(ch)) |
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| 370 | return NULL; |
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| 371 | do { |
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| 372 | s_catchar(&name, ch); |
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| 373 | nextch(); |
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| 374 | } while (isNames(ch)); |
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| 375 | return s_steal(&name); |
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[77cdf30] | 376 | } |
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| 377 | |
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| 378 | prefix * |
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[08610e6] | 379 | read_walls_station(char * const walls_prefix[3], bool anon_allowed) |
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[77cdf30] | 380 | { |
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[08610e6] | 381 | // bool f_optional = false; //!!(pfx_flags & PFX_OPT); |
---|
| 382 | // bool fSuspectTypo = false; //!!(pfx_flags & PFX_SUSPECT_TYPO); |
---|
| 383 | // prefix *back_ptr, *ptr; |
---|
| 384 | string component = S_INIT; |
---|
| 385 | // size_t i; |
---|
| 386 | // bool fNew; |
---|
| 387 | // bool fImplicitPrefix = true; |
---|
| 388 | // int depth = -1; |
---|
| 389 | // filepos fp_firstsep; |
---|
[77cdf30] | 390 | |
---|
[08610e6] | 391 | filepos fp; |
---|
| 392 | get_pos(&fp); |
---|
| 393 | |
---|
| 394 | skipblanks(); |
---|
| 395 | if (anon_allowed && ch == '-') { |
---|
| 396 | // - or -- is an anonymous wall point in a shot, but #Fix they seem to |
---|
| 397 | // just be treated as ordinary station names. |
---|
| 398 | // FIXME: Issue warning for such a useless station? |
---|
| 399 | // |
---|
| 400 | // Not yet checked, but you can presumably use - and -- as a prefix |
---|
| 401 | // (FIXME check this). |
---|
| 402 | nextch(); |
---|
| 403 | int dashes = 1; |
---|
| 404 | if (ch == '-') { |
---|
| 405 | ++dashes; |
---|
| 406 | nextch(); |
---|
| 407 | } |
---|
| 408 | if (!isNames(ch) && ch != ':') { |
---|
| 409 | // An anonymous station implies the leg it is on is a splay. |
---|
[77cdf30] | 410 | if (TSTBIT(pcs->flags, FLAGS_ANON_ONE_END)) { |
---|
[08610e6] | 411 | set_pos(&fp); |
---|
| 412 | // Walls also rejects this case. |
---|
| 413 | compile_diagnostic(DIAG_ERR|DIAG_TOKEN, /*Can't have a leg between two anonymous stations*/3); |
---|
| 414 | LONGJMP(file.jbSkipLine); |
---|
[77cdf30] | 415 | } |
---|
| 416 | pcs->flags |= BIT(FLAGS_ANON_ONE_END) | BIT(FLAGS_IMPLICIT_SPLAY); |
---|
[08610e6] | 417 | prefix *pfx = new_anon_station(); |
---|
| 418 | pfx->sflags |= BIT(SFLAGS_WALL); |
---|
| 419 | return pfx; |
---|
| 420 | } |
---|
| 421 | s_catn(&component, dashes, '-'); |
---|
| 422 | } |
---|
| 423 | |
---|
| 424 | char *w_prefix[3] = { NULL, NULL, NULL }; |
---|
| 425 | int explicit_prefix_levels = 0; |
---|
| 426 | while (true) { |
---|
| 427 | while (isNames(ch)) { |
---|
| 428 | s_catchar(&component, ch); |
---|
[77cdf30] | 429 | nextch(); |
---|
[08610e6] | 430 | } |
---|
[bda652f] | 431 | //printf("component = '%s'\n", s_str(&component)); |
---|
[403863a] | 432 | if (ch == ':') { |
---|
| 433 | nextch(); |
---|
| 434 | |
---|
| 435 | if (++explicit_prefix_levels > 3) { |
---|
[bda652f] | 436 | // FIXME Make this a proper error |
---|
[403863a] | 437 | printf("too many prefix levels\n"); |
---|
[08610e6] | 438 | s_free(&component); |
---|
[bda652f] | 439 | for (int i = 0; i < 3; ++i) osfree(w_prefix[i]); |
---|
[08610e6] | 440 | LONGJMP(file.jbSkipLine); |
---|
[77cdf30] | 441 | } |
---|
| 442 | |
---|
[403863a] | 443 | if (!s_empty(&component)) { |
---|
[bda652f] | 444 | // printf("w_prefix[%d] = '%s'\n", explicit_prefix_levels - 1, s_str(&component)); |
---|
[403863a] | 445 | w_prefix[explicit_prefix_levels - 1] = s_steal(&component); |
---|
| 446 | } |
---|
[77cdf30] | 447 | |
---|
[403863a] | 448 | continue; |
---|
[08610e6] | 449 | } |
---|
| 450 | |
---|
[cedc014] | 451 | // printf("explicit_prefix_levels=%d %s:%s:%s\n", explicit_prefix_levels, w_prefix[0], w_prefix[1], w_prefix[2]); |
---|
| 452 | |
---|
[403863a] | 453 | // component is the station name itself. |
---|
| 454 | if (s_empty(&component)) { |
---|
| 455 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Expecting station name*/28); |
---|
[08610e6] | 456 | s_free(&component); |
---|
[bda652f] | 457 | for (int i = 0; i < 3; ++i) osfree(w_prefix[i]); |
---|
[08610e6] | 458 | LONGJMP(file.jbSkipLine); |
---|
| 459 | } |
---|
[403863a] | 460 | int len = s_len(&component); |
---|
| 461 | char *p = s_steal(&component); |
---|
| 462 | // Apply case treatment. |
---|
| 463 | switch (pcs->Case) { |
---|
| 464 | case LOWER: |
---|
| 465 | for (int i = 0; i < len; ++i) |
---|
| 466 | p[i] = tolower((unsigned char)p[i]); |
---|
| 467 | break; |
---|
| 468 | case UPPER: |
---|
| 469 | for (int i = 0; i < len; ++i) |
---|
| 470 | p[i] = toupper((unsigned char)p[i]); |
---|
| 471 | break; |
---|
| 472 | case OFF: |
---|
| 473 | // Avoid unhandled enum warning. |
---|
| 474 | break; |
---|
| 475 | } |
---|
[08610e6] | 476 | |
---|
[403863a] | 477 | prefix *ptr = root; |
---|
| 478 | for (int i = 0; i < 4; ++i) { |
---|
| 479 | const char *name; |
---|
| 480 | int sflag = BIT(SFLAGS_SURVEY); |
---|
| 481 | if (i == 3) { |
---|
[bda652f] | 482 | name = p; |
---|
[403863a] | 483 | sflag = 0; |
---|
| 484 | } else { |
---|
[bda652f] | 485 | if (i < 3 - explicit_prefix_levels) { |
---|
[dbe0c85] | 486 | name = walls_prefix[i]; |
---|
[cedc014] | 487 | // printf("using walls_prefix[%d] = '%s'\n", 2 - i, name); |
---|
[bda652f] | 488 | } else { |
---|
[403863a] | 489 | name = w_prefix[i - (3 - explicit_prefix_levels)]; // FIXME: Could steal wprefix[i]. |
---|
[cedc014] | 490 | // printf("using w_prefix[%d] = '%s'\n", i - (3 - explicit_prefix_levels), name); |
---|
[403863a] | 491 | } |
---|
| 492 | |
---|
| 493 | if (name == NULL) { |
---|
| 494 | // FIXME: This means :X::Y is treated as the same as |
---|
| 495 | // ::X:Y but is that right? Walls docs don't really |
---|
| 496 | // say. Need to test (and is they're different then |
---|
| 497 | // probably use a character not valid in Walls station |
---|
| 498 | // names for the empty prefix level (e.g. space or |
---|
| 499 | // `#`). |
---|
| 500 | // |
---|
| 501 | // Also, does Walls allow :::X as a station and |
---|
| 502 | // ::X:Y which would mean X is a station and survey? |
---|
| 503 | // If so, we probably want to keep every empty level. |
---|
| 504 | continue; |
---|
| 505 | } |
---|
| 506 | } |
---|
| 507 | prefix *back_ptr = ptr; |
---|
| 508 | ptr = ptr->down; |
---|
| 509 | if (ptr == NULL) { |
---|
| 510 | /* Special case first time around at each level */ |
---|
| 511 | ptr = osnew(prefix); |
---|
[bda652f] | 512 | ptr->ident = (i < 3 ? osstrdup(name) : name); |
---|
| 513 | name = NULL; |
---|
[403863a] | 514 | ptr->right = ptr->down = NULL; |
---|
| 515 | ptr->pos = NULL; |
---|
| 516 | ptr->shape = 0; |
---|
| 517 | ptr->stn = NULL; |
---|
| 518 | ptr->up = back_ptr; |
---|
| 519 | ptr->filename = file.filename; // FIXME: Or location of #Prefix, etc for it? |
---|
| 520 | ptr->line = file.line; // FIXME: Or location of #Prefix, etc for it? |
---|
| 521 | ptr->min_export = ptr->max_export = 0; |
---|
| 522 | ptr->sflags = sflag; |
---|
| 523 | back_ptr->down = ptr; |
---|
| 524 | } else { |
---|
| 525 | /* Use caching to speed up adding an increasing sequence to a |
---|
| 526 | * large survey */ |
---|
| 527 | static prefix *cached_survey = NULL, *cached_station = NULL; |
---|
| 528 | prefix *ptrPrev = NULL; |
---|
| 529 | int cmp = 1; /* result of strcmp ( -ve for <, 0 for =, +ve for > ) */ |
---|
| 530 | if (cached_survey == back_ptr) { |
---|
| 531 | cmp = strcmp(cached_station->ident, name); |
---|
| 532 | if (cmp <= 0) ptr = cached_station; |
---|
| 533 | } |
---|
| 534 | while (ptr && (cmp = strcmp(ptr->ident, name))<0) { |
---|
| 535 | ptrPrev = ptr; |
---|
| 536 | ptr = ptr->right; |
---|
| 537 | } |
---|
| 538 | if (cmp) { |
---|
| 539 | /* ie we got to one that was higher, or the end */ |
---|
| 540 | prefix *newptr; |
---|
| 541 | newptr = osnew(prefix); |
---|
[bda652f] | 542 | newptr->ident = (i < 3 ? osstrdup(name) : name); |
---|
| 543 | name = NULL; |
---|
[403863a] | 544 | if (ptrPrev == NULL) |
---|
| 545 | back_ptr->down = newptr; |
---|
| 546 | else |
---|
| 547 | ptrPrev->right = newptr; |
---|
| 548 | newptr->right = ptr; |
---|
| 549 | newptr->down = NULL; |
---|
| 550 | newptr->pos = NULL; |
---|
| 551 | newptr->shape = 0; |
---|
| 552 | newptr->stn = NULL; |
---|
| 553 | newptr->up = back_ptr; |
---|
| 554 | newptr->filename = file.filename; // FIXME |
---|
| 555 | newptr->line = file.line; |
---|
| 556 | newptr->min_export = newptr->max_export = 0; |
---|
| 557 | newptr->sflags = sflag; |
---|
| 558 | ptr = newptr; |
---|
| 559 | } else { |
---|
| 560 | if ((ptr->sflags & sflag) == 0) { |
---|
| 561 | // FIXME diagnostic? |
---|
| 562 | } |
---|
| 563 | } |
---|
| 564 | cached_survey = back_ptr; |
---|
| 565 | cached_station = ptr; |
---|
| 566 | } |
---|
[bda652f] | 567 | if (name == p) osfree(p); |
---|
[08610e6] | 568 | } |
---|
[403863a] | 569 | |
---|
[bda652f] | 570 | // fprint_prefix(stdout, ptr); fputnl(stdout); |
---|
| 571 | |
---|
| 572 | for (int i = 0; i < 3; ++i) osfree(w_prefix[i]); |
---|
| 573 | |
---|
[403863a] | 574 | return ptr; |
---|
[08610e6] | 575 | } |
---|
[77cdf30] | 576 | } |
---|
| 577 | |
---|
[21c226e] | 578 | /* if numeric expr is omitted: if f_optional return HUGE_REAL, else longjmp */ |
---|
[6a1a945] | 579 | real |
---|
[5a0ab6a] | 580 | read_number(bool f_optional, bool f_unsigned) |
---|
[a420b49] | 581 | { |
---|
[63d4f07] | 582 | bool fPositive = true, fDigits = false; |
---|
[a420b49] | 583 | real n = (real)0.0; |
---|
[c80bd34] | 584 | filepos fp; |
---|
| 585 | int ch_old; |
---|
[a420b49] | 586 | |
---|
[c80bd34] | 587 | get_pos(&fp); |
---|
| 588 | ch_old = ch; |
---|
[5a0ab6a] | 589 | if (!f_unsigned) { |
---|
| 590 | fPositive = !isMinus(ch); |
---|
| 591 | if (isSign(ch)) nextch(); |
---|
| 592 | } |
---|
[a420b49] | 593 | |
---|
| 594 | while (isdigit(ch)) { |
---|
[6974a34] | 595 | n = n * (real)10.0 + (char)(ch - '0'); |
---|
[d1b1380] | 596 | nextch(); |
---|
[63d4f07] | 597 | fDigits = true; |
---|
[a420b49] | 598 | } |
---|
| 599 | |
---|
| 600 | if (isDecimal(ch)) { |
---|
| 601 | real mult = (real)1.0; |
---|
| 602 | nextch(); |
---|
| 603 | while (isdigit(ch)) { |
---|
| 604 | mult *= (real).1; |
---|
| 605 | n += (char)(ch - '0') * mult; |
---|
[63d4f07] | 606 | fDigits = true; |
---|
[a420b49] | 607 | nextch(); |
---|
| 608 | } |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | /* !'fRead' => !fDigits so fDigits => 'fRead' */ |
---|
| 612 | if (fDigits) return (fPositive ? n : -n); |
---|
| 613 | |
---|
| 614 | /* didn't read a valid number. If it's optional, reset filepos & return */ |
---|
[4fb15a1] | 615 | set_pos(&fp); |
---|
[21c226e] | 616 | if (f_optional) { |
---|
[a420b49] | 617 | return HUGE_REAL; |
---|
| 618 | } |
---|
| 619 | |
---|
[c80bd34] | 620 | if (isOmit(ch_old)) { |
---|
[cab0f26] | 621 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Field may not be omitted*/8); |
---|
[647407d] | 622 | } else { |
---|
[cab0f26] | 623 | compile_diagnostic_token_show(DIAG_ERR, /*Expecting numeric field, found “%s”*/9); |
---|
[647407d] | 624 | } |
---|
| 625 | LONGJMP(file.jbSkipLine); |
---|
[a420b49] | 626 | return 0.0; /* for brain-fried compilers */ |
---|
[d1b1380] | 627 | } |
---|
[647407d] | 628 | |
---|
[32bd8aee] | 629 | real |
---|
[4ca3219] | 630 | read_quadrant(bool f_optional) |
---|
| 631 | { |
---|
[5a0ab6a] | 632 | enum { |
---|
| 633 | POINT_N = 0, |
---|
| 634 | POINT_E = 1, |
---|
| 635 | POINT_S = 2, |
---|
| 636 | POINT_W = 3, |
---|
| 637 | POINT_NONE = -1 |
---|
| 638 | }; |
---|
| 639 | static const sztok pointtab[] = { |
---|
| 640 | {"E", POINT_E }, |
---|
| 641 | {"N", POINT_N }, |
---|
| 642 | {"S", POINT_S }, |
---|
| 643 | {"W", POINT_W }, |
---|
| 644 | {NULL, POINT_NONE } |
---|
| 645 | }; |
---|
| 646 | static const sztok pointewtab[] = { |
---|
| 647 | {"E", POINT_E }, |
---|
| 648 | {"W", POINT_W }, |
---|
| 649 | {NULL, POINT_NONE } |
---|
| 650 | }; |
---|
| 651 | if (f_optional && isOmit(ch)) { |
---|
| 652 | return HUGE_REAL; |
---|
| 653 | } |
---|
[9d9bee9] | 654 | const int quad = 90; |
---|
| 655 | filepos fp; |
---|
| 656 | get_pos(&fp); |
---|
[5a0ab6a] | 657 | get_token_no_blanks(); |
---|
| 658 | int first_point = match_tok(pointtab, TABSIZE(pointtab)); |
---|
| 659 | if (first_point == POINT_NONE) { |
---|
| 660 | set_pos(&fp); |
---|
| 661 | if (isOmit(ch)) { |
---|
| 662 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Field may not be omitted*/8); |
---|
| 663 | } |
---|
| 664 | compile_diagnostic_token_show(DIAG_ERR, /*Expecting quadrant bearing, found “%s”*/483); |
---|
| 665 | LONGJMP(file.jbSkipLine); |
---|
| 666 | return 0.0; /* for brain-fried compilers */ |
---|
[9d9bee9] | 667 | } |
---|
[63d4f07] | 668 | real r = read_number(true, true); |
---|
[5a0ab6a] | 669 | if (r == HUGE_REAL) { |
---|
| 670 | if (isSign(ch) || isDecimal(ch)) { |
---|
| 671 | /* Give better errors for S-0E, N+10W, N.E, etc. */ |
---|
[9d9bee9] | 672 | set_pos(&fp); |
---|
[728874f9] | 673 | compile_diagnostic_token_show(DIAG_ERR, /*Expecting quadrant bearing, found “%s”*/483); |
---|
[9d9bee9] | 674 | LONGJMP(file.jbSkipLine); |
---|
| 675 | return 0.0; /* for brain-fried compilers */ |
---|
| 676 | } |
---|
[5a0ab6a] | 677 | /* N, S, E or W. */ |
---|
| 678 | return first_point * quad; |
---|
| 679 | } |
---|
| 680 | if (first_point == POINT_E || first_point == POINT_W) { |
---|
[9d9bee9] | 681 | set_pos(&fp); |
---|
[728874f9] | 682 | compile_diagnostic_token_show(DIAG_ERR, /*Expecting quadrant bearing, found “%s”*/483); |
---|
[9d9bee9] | 683 | LONGJMP(file.jbSkipLine); |
---|
| 684 | return 0.0; /* for brain-fried compilers */ |
---|
[4ca3219] | 685 | } |
---|
[5a0ab6a] | 686 | |
---|
[eb429bf] | 687 | get_token_no_blanks(); |
---|
| 688 | int second_point = match_tok(pointewtab, TABSIZE(pointewtab)); |
---|
| 689 | if (second_point == POINT_NONE) { |
---|
[5a0ab6a] | 690 | set_pos(&fp); |
---|
| 691 | compile_diagnostic_token_show(DIAG_ERR, /*Expecting quadrant bearing, found “%s”*/483); |
---|
| 692 | LONGJMP(file.jbSkipLine); |
---|
| 693 | return 0.0; /* for brain-fried compilers */ |
---|
[4ca3219] | 694 | } |
---|
[5a0ab6a] | 695 | |
---|
[eb429bf] | 696 | if (r > quad) { |
---|
[5a0ab6a] | 697 | set_pos(&fp); |
---|
[eb429bf] | 698 | compile_diagnostic_token_show(DIAG_ERR|DIAG_COL, /*Suspicious compass reading*/59); |
---|
[5a0ab6a] | 699 | LONGJMP(file.jbSkipLine); |
---|
| 700 | return 0.0; /* for brain-fried compilers */ |
---|
[4ca3219] | 701 | } |
---|
[5a0ab6a] | 702 | |
---|
| 703 | if (first_point == POINT_N) { |
---|
| 704 | if (second_point == POINT_W) { |
---|
| 705 | r = quad * 4 - r; |
---|
| 706 | } |
---|
| 707 | } else { |
---|
| 708 | if (second_point == POINT_W) { |
---|
| 709 | r += quad * 2; |
---|
| 710 | } else { |
---|
| 711 | r = quad * 2 - r; |
---|
| 712 | } |
---|
| 713 | } |
---|
| 714 | return r; |
---|
[4ca3219] | 715 | } |
---|
| 716 | |
---|
[21c226e] | 717 | extern real |
---|
[d3241e6] | 718 | read_numeric(bool f_optional) |
---|
| 719 | { |
---|
| 720 | skipblanks(); |
---|
[63d4f07] | 721 | return read_number(f_optional, false); |
---|
[d3241e6] | 722 | } |
---|
| 723 | |
---|
| 724 | extern real |
---|
[61513b57] | 725 | read_numeric_multi(bool f_optional, bool f_quadrants, int *p_n_readings) |
---|
[21c226e] | 726 | { |
---|
| 727 | size_t n_readings = 0; |
---|
| 728 | real tot = (real)0.0; |
---|
| 729 | |
---|
| 730 | skipblanks(); |
---|
| 731 | if (!isOpen(ch)) { |
---|
[4699c40] | 732 | real r = 0; |
---|
[61513b57] | 733 | if (!f_quadrants) |
---|
[63d4f07] | 734 | r = read_number(f_optional, false); |
---|
[61513b57] | 735 | else |
---|
[5a0ab6a] | 736 | r = read_quadrant(f_optional); |
---|
[21c226e] | 737 | if (p_n_readings) *p_n_readings = (r == HUGE_REAL ? 0 : 1); |
---|
| 738 | return r; |
---|
| 739 | } |
---|
| 740 | nextch(); |
---|
| 741 | |
---|
| 742 | skipblanks(); |
---|
| 743 | do { |
---|
[9d9bee9] | 744 | if (!f_quadrants) |
---|
[63d4f07] | 745 | tot += read_number(false, false); |
---|
[61513b57] | 746 | else |
---|
[63d4f07] | 747 | tot += read_quadrant(false); |
---|
[21c226e] | 748 | ++n_readings; |
---|
| 749 | skipblanks(); |
---|
| 750 | } while (!isClose(ch)); |
---|
| 751 | nextch(); |
---|
| 752 | |
---|
| 753 | if (p_n_readings) *p_n_readings = n_readings; |
---|
| 754 | /* FIXME: special averaging for bearings ... */ |
---|
| 755 | /* And for percentage gradient */ |
---|
| 756 | return tot / n_readings; |
---|
| 757 | } |
---|
| 758 | |
---|
[2aa2f3f] | 759 | /* read numeric expr or omit (return HUGE_REAL); else longjmp */ |
---|
| 760 | extern real |
---|
[00b10c1] | 761 | read_bearing_multi_or_omit(bool f_quadrants, int *p_n_readings) |
---|
[2aa2f3f] | 762 | { |
---|
[9d9bee9] | 763 | real v; |
---|
[63d4f07] | 764 | v = read_numeric_multi(true, f_quadrants, p_n_readings); |
---|
[9d9bee9] | 765 | if (v == HUGE_REAL) { |
---|
| 766 | if (!isOmit(ch)) { |
---|
| 767 | compile_diagnostic_token_show(DIAG_ERR, /*Expecting numeric field, found “%s”*/9); |
---|
| 768 | LONGJMP(file.jbSkipLine); |
---|
| 769 | return 0.0; /* for brain-fried compilers */ |
---|
[2aa2f3f] | 770 | } |
---|
| 771 | nextch(); |
---|
| 772 | } |
---|
| 773 | return v; |
---|
| 774 | } |
---|
| 775 | |
---|
[950a829] | 776 | /* Don't skip blanks, variable error code */ |
---|
| 777 | static unsigned int |
---|
[75e67ab] | 778 | read_uint_internal(int errmsg, const filepos *fp) |
---|
[647407d] | 779 | { |
---|
[421b7d2] | 780 | unsigned int n = 0; |
---|
[647407d] | 781 | if (!isdigit(ch)) { |
---|
[029cc3f] | 782 | if (fp) set_pos(fp); |
---|
[cab0f26] | 783 | compile_diagnostic_token_show(DIAG_ERR, errmsg); |
---|
[647407d] | 784 | LONGJMP(file.jbSkipLine); |
---|
| 785 | } |
---|
| 786 | while (isdigit(ch)) { |
---|
| 787 | n = n * 10 + (char)(ch - '0'); |
---|
| 788 | nextch(); |
---|
| 789 | } |
---|
| 790 | return n; |
---|
| 791 | } |
---|
[76bb277a] | 792 | |
---|
[950a829] | 793 | extern unsigned int |
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| 794 | read_uint(void) |
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| 795 | { |
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| 796 | skipblanks(); |
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[0804fbe] | 797 | return read_uint_internal(/*Expecting numeric field, found “%s”*/9, NULL); |
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[950a829] | 798 | } |
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| 799 | |
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[5b9b9d4] | 800 | extern int |
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| 801 | read_int(int min_val, int max_val) |
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| 802 | { |
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| 803 | skipblanks(); |
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| 804 | unsigned n = 0; |
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| 805 | filepos fp; |
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| 806 | |
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| 807 | get_pos(&fp); |
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[1000d9d] | 808 | bool negated = isMinus(ch); |
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| 809 | unsigned limit; |
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| 810 | if (negated) { |
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| 811 | limit = (unsigned)(min_val == INT_MIN ? INT_MIN : -min_val); |
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| 812 | } else { |
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| 813 | limit = (unsigned)max_val; |
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| 814 | } |
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[5b9b9d4] | 815 | if (isSign(ch)) nextch(); |
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| 816 | |
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| 817 | if (!isdigit(ch)) { |
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| 818 | bad_value: |
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| 819 | set_pos(&fp); |
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| 820 | /* TRANSLATORS: The first %d will be replaced by the (inclusive) lower |
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| 821 | * bound and the second by the (inclusive) upper bound, for example: |
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| 822 | * Expecting integer in range -60 to 60 |
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| 823 | */ |
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| 824 | compile_diagnostic(DIAG_ERR|DIAG_NUM, /*Expecting integer in range %d to %d*/489); |
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| 825 | LONGJMP(file.jbSkipLine); |
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| 826 | } |
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| 827 | |
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| 828 | while (isdigit(ch)) { |
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| 829 | unsigned old_n = n; |
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| 830 | n = n * 10 + (char)(ch - '0'); |
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| 831 | if (n > limit || n < old_n) { |
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| 832 | goto bad_value; |
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| 833 | } |
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| 834 | nextch(); |
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| 835 | } |
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| 836 | if (isDecimal(ch)) goto bad_value; |
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| 837 | |
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| 838 | if (negated) { |
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| 839 | if (n > (unsigned)INT_MAX) { |
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| 840 | // Avoid unportable casting. |
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| 841 | return INT_MIN; |
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| 842 | } |
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| 843 | return -(int)n; |
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| 844 | } |
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| 845 | return (int)n; |
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| 846 | } |
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| 847 | |
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[76bb277a] | 848 | extern void |
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[0532954] | 849 | read_string(string *pstr) |
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[76bb277a] | 850 | { |
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[0532954] | 851 | s_clear(pstr); |
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[76bb277a] | 852 | |
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| 853 | skipblanks(); |
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| 854 | if (ch == '\"') { |
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[1157304] | 855 | /* String quoted in "" */ |
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[76bb277a] | 856 | nextch(); |
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[457a390] | 857 | while (1) { |
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| 858 | if (isEol(ch)) { |
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[cab0f26] | 859 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Missing \"*/69); |
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[4fb15a1] | 860 | LONGJMP(file.jbSkipLine); |
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[457a390] | 861 | } |
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| 862 | |
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| 863 | if (ch == '\"') break; |
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| 864 | |
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[0532954] | 865 | s_catchar(pstr, ch); |
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[457a390] | 866 | nextch(); |
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| 867 | } |
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[66f5fc4] | 868 | nextch(); |
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[457a390] | 869 | } else { |
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[1157304] | 870 | /* Unquoted string */ |
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[457a390] | 871 | while (1) { |
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| 872 | if (isEol(ch) || isComm(ch)) { |
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[0532954] | 873 | if (s_empty(pstr)) { |
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[cab0f26] | 874 | compile_diagnostic(DIAG_ERR|DIAG_COL, /*Expecting string field*/121); |
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[6f61f83] | 875 | LONGJMP(file.jbSkipLine); |
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[b97d134] | 876 | } |
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[457a390] | 877 | return; |
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[76bb277a] | 878 | } |
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| 879 | |
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[457a390] | 880 | if (isBlank(ch)) break; |
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[76bb277a] | 881 | |
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[0532954] | 882 | s_catchar(pstr, ch); |
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[457a390] | 883 | nextch(); |
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| 884 | } |
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[76bb277a] | 885 | } |
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| 886 | } |
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[950a829] | 887 | |
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| 888 | extern void |
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[b5a3219] | 889 | read_date(int *py, int *pm, int *pd) |
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[950a829] | 890 | { |
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[734f5f4] | 891 | unsigned int y = 0, m = 0, d = 0; |
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[1d74718] | 892 | filepos fp_date; |
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[950a829] | 893 | |
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| 894 | skipblanks(); |
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[029cc3f] | 895 | |
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[1d74718] | 896 | get_pos(&fp_date); |
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| 897 | y = read_uint_internal(/*Expecting date, found “%s”*/198, &fp_date); |
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[e0c7cd1] | 898 | /* Two digit year is 19xx. */ |
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[734f5f4] | 899 | if (y < 100) { |
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| 900 | filepos fp_save; |
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| 901 | get_pos(&fp_save); |
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| 902 | y += 1900; |
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| 903 | set_pos(&fp_date); |
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| 904 | /* TRANSLATORS: %d will be replaced by the assumed year, e.g. 1918 */ |
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| 905 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Assuming 2 digit year is %d*/76, y); |
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| 906 | set_pos(&fp_save); |
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| 907 | } |
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[1ee204e] | 908 | if (y < 1900 || y > 2078) { |
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[1d74718] | 909 | set_pos(&fp_date); |
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[c270761] | 910 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Invalid year (< 1900 or > 2078)*/58); |
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[e0c7cd1] | 911 | LONGJMP(file.jbSkipLine); |
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| 912 | return; /* for brain-fried compilers */ |
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| 913 | } |
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[950a829] | 914 | if (ch == '.') { |
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[1d74718] | 915 | filepos fp; |
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[950a829] | 916 | nextch(); |
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[1d74718] | 917 | get_pos(&fp); |
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| 918 | m = read_uint_internal(/*Expecting date, found “%s”*/198, &fp_date); |
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[e0c7cd1] | 919 | if (m < 1 || m > 12) { |
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[1d74718] | 920 | set_pos(&fp); |
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[c270761] | 921 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Invalid month*/86); |
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[e0c7cd1] | 922 | LONGJMP(file.jbSkipLine); |
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| 923 | return; /* for brain-fried compilers */ |
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[79d84d9] | 924 | } |
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[950a829] | 925 | if (ch == '.') { |
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| 926 | nextch(); |
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[1d74718] | 927 | get_pos(&fp); |
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| 928 | d = read_uint_internal(/*Expecting date, found “%s”*/198, &fp_date); |
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[e0c7cd1] | 929 | if (d < 1 || d > last_day(y, m)) { |
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[1d74718] | 930 | set_pos(&fp); |
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[736f7df] | 931 | /* TRANSLATORS: e.g. 31st of April, or 32nd of any month */ |
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[c270761] | 932 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Invalid day of the month*/87); |
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[e0c7cd1] | 933 | LONGJMP(file.jbSkipLine); |
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| 934 | return; /* for brain-fried compilers */ |
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| 935 | } |
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[950a829] | 936 | } |
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| 937 | } |
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[b5a3219] | 938 | if (py) *py = y; |
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| 939 | if (pm) *pm = m; |
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| 940 | if (pd) *pd = d; |
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[950a829] | 941 | } |
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[a250ec2] | 942 | |
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| 943 | extern void |
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| 944 | read_walls_srv_date(int *py, int *pm, int *pd) |
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| 945 | { |
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| 946 | skipblanks(); |
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| 947 | |
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| 948 | filepos fp_date; |
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| 949 | get_pos(&fp_date); |
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| 950 | unsigned y = read_uint_internal(/*Expecting date, found “%s”*/198, &fp_date); |
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| 951 | int separator = -2; |
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| 952 | if (ch == '-' || ch == '/') { |
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| 953 | separator = ch; |
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| 954 | nextch(); |
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| 955 | } |
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| 956 | filepos fp_month; |
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| 957 | get_pos(&fp_month); |
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| 958 | unsigned m = read_uint_internal(/*Expecting date, found “%s”*/198, &fp_date); |
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| 959 | if (ch == separator) { |
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| 960 | nextch(); |
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| 961 | } |
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| 962 | filepos fp_day; |
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| 963 | get_pos(&fp_day); |
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| 964 | unsigned d = read_uint_internal(/*Expecting date, found “%s”*/198, &fp_date); |
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| 965 | |
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| 966 | filepos fp_year; |
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| 967 | if (y < 100) { |
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| 968 | // Walls recommends ISO 8601 date format (yyyy-mm-dd and seemingly the |
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| 969 | // non-standard variant yyyy/mm/dd), but also accepts "some date formats |
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| 970 | // common in the U.S. (mm/dd/yy, mm-dd-yyyy, etc.)" |
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| 971 | unsigned tmp = y; |
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| 972 | y = d; |
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| 973 | fp_year = fp_day; |
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| 974 | d = m; |
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| 975 | fp_day = fp_month; |
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| 976 | m = tmp; |
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| 977 | fp_month = fp_date; |
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| 978 | |
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| 979 | if (y < 100) { |
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| 980 | // FIXME: Are all 2 digit years 19xx? |
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| 981 | y += 1900; |
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| 982 | |
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| 983 | filepos fp_save; |
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| 984 | get_pos(&fp_save); |
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| 985 | set_pos(&fp_year); |
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| 986 | /* TRANSLATORS: %d will be replaced by the assumed year, e.g. 1918 */ |
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| 987 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Assuming 2 digit year is %d*/76, y); |
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| 988 | set_pos(&fp_save); |
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| 989 | } |
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| 990 | } else { |
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| 991 | if (y < 1900 || y > 2078) { |
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| 992 | set_pos(&fp_date); |
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| 993 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Invalid year (< 1900 or > 2078)*/58); |
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| 994 | LONGJMP(file.jbSkipLine); |
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| 995 | return; /* for brain-fried compilers */ |
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| 996 | } |
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| 997 | fp_year = fp_date; |
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| 998 | } |
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| 999 | |
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| 1000 | if (m < 1 || m > 12) { |
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| 1001 | set_pos(&fp_month); |
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| 1002 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Invalid month*/86); |
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| 1003 | LONGJMP(file.jbSkipLine); |
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| 1004 | return; /* for brain-fried compilers */ |
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| 1005 | } |
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| 1006 | |
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| 1007 | if (d < 1 || d > last_day(y, m)) { |
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| 1008 | set_pos(&fp_day); |
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| 1009 | /* TRANSLATORS: e.g. 31st of April, or 32nd of any month */ |
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| 1010 | compile_diagnostic(DIAG_WARN|DIAG_UINT, /*Invalid day of the month*/87); |
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| 1011 | LONGJMP(file.jbSkipLine); |
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| 1012 | return; /* for brain-fried compilers */ |
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| 1013 | } |
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| 1014 | |
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| 1015 | if (py) *py = y; |
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| 1016 | if (pm) *pm = m; |
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| 1017 | if (pd) *pd = d; |
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| 1018 | } |
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