annotate netinstall/inilex.l @ 2910:7bf6d9e81431

[xemacs-hg @ 2005-08-27 21:51:25 by viteno] Update xemacs_extra_name.
author viteno
date Sat, 27 Aug 2005 21:51:25 +0000
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children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 %{
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2 /*
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3 * Copyright (c) 2000, Red Hat, Inc.
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4 *
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5 * This program is free software; you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation; either version 2 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * A copy of the GNU General Public License can be found at
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11 * http://www.gnu.org/
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12 *
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13 * Written by DJ Delorie <dj@cygnus.com>
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14 *
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15 */
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16
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17 /* tokenize the setup.ini files. We parse a string which we've
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18 previously downloaded. The program must call ini_init() to specify
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19 that string. */
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20
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21 #include "win32.h"
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22 #include <string.h>
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23 #include <stdlib.h>
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24
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25 #include "ini.h"
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26 #include "iniparse.h"
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27
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28 #define YY_INPUT(buf,result,max_size) { result = ini_getchar(buf, max_size); }
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29
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30 static int ini_getchar(char *buf, int max_size);
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31 static void ignore_line ();
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32
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33 %}
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34
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35 /*%option debug */
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36 %option noyywrap
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37 %option yylineno
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38 %option never-interactive
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39
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40 STR [a-zA-Z0-9_./-]+
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41
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42 %%
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43
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44 \"[^"]*\" { yylval = strdup (yytext+1);
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45 yylval[strlen (yylval)-1] = 0;
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46 return STRING; }
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47
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48 "setup-timestamp:" return SETUP_TIMESTAMP;
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49 "setup-version:" return SETUP_VERSION;
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50 "version:" return VERSION;
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51 "install:" return INSTALL;
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52 "type:" return TYPE;
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53 "source:" return SOURCE;
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54 "sdesc:" return SDESC;
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55 "ldesc:" return LDESC;
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56
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57 ^{STR}":" ignore_line ();
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58
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59 "[curr]" return T_CURR;
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60 "[test]" return T_TEST;
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61 "[exp]" return T_TEST;
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62 "[prev]" return T_PREV;
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63 "["{STR}"]" return T_UNKNOWN;
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64
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65 {STR} { yylval = strdup (yytext);
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66 return STRING; }
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67
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68 [ \t\r]+ /* do nothing */
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69
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70 "#".*\n /* ignore comments */
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71
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72 \n { return yytext[0]; }
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73 . { return yytext[0]; }
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74
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75 %%
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76
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77 static char *input_string = 0;
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78 static char *end_input_string;
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79
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80 void
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81 ini_init(char *string)
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82 {
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83 input_string = string;
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84 end_input_string = input_string + strlen(input_string);
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85 }
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86
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87 static int
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88 ini_getchar(char *buf, int max_size)
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89 {
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90 if (input_string)
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91 {
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92 int avail = end_input_string - input_string;
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93 if (avail == 0)
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94 {
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95 input_string = end_input_string = 0;
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96 return 0;
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97 }
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98 if (avail > max_size)
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99 avail = max_size;
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100 memcpy(buf, input_string, avail);
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101 input_string += avail;
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102 return avail;
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103 }
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104 else
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105 return 0;
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106 }
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107
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108 static void
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109 ignore_line ()
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110 {
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111 char c;
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112 while (c = input ())
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113 {
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114 if (c == EOF)
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115 return;
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116 if (c == '\n')
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117 return;
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118 }
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119 }