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2367
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1 /* #### Old code! Replaced with make-msgfile.lex. */
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428
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2
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3
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4 /* Scan specified C and Lisp files, extracting the following messages:
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5
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6 C files:
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7 GETTEXT (...)
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8 DEFER_GETTEXT (...)
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9 DEFUN interactive prompts
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10 Lisp files:
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11 (gettext ...)
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12 (dgettext "domain-name" ...)
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13 (defer-gettext ...)
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14 (interactive ...)
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15
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16 The arguments given to this program are all the C and Lisp source files
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613
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17 of XEmacs. .el and .c files are allowed. There is no support for .elc
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428
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18 files at this time, but they may be specified; the corresponding .el file
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19 will be used. Similarly, .o files can also be specified, and the corresponding
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20 .c file will be used. This helps the makefile pass the correct list of files.
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21
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22 The results, which go to standard output or to a file specified with -a or -o
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23 (-a to append, -o to start from nothing), are quoted strings wrapped in
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24 gettext(...). The results can be passed to xgettext to produce a .po message
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25 file.
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26 */
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27
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28 #include <stdio.h>
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29 #include <string.h>
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30
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31 #define LINESIZE 256
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32 #define GET_LINE fgets (line, LINESIZE, infile)
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33 #define CHECK_EOL(p) if (*(p) == '\0') (p) = GET_LINE
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34 #define SKIP_BLANKS(p) while ((*p) == ' ' || (*p) == '\t') (p)++
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35
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36 enum filetype { C_FILE, LISP_FILE, INVALID_FILE };
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37 /* some brain-dead headers define this ... */
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38 #undef FALSE
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39 #undef TRUE
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40 enum boolean { FALSE, TRUE };
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41
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42 FILE *infile;
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43 FILE *outfile;
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44 char line[LINESIZE];
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45
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46
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47 void scan_file (char *filename);
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48 void process_C_file (void);
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49 void process_Lisp_file (void);
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50 char *copy_up_to_paren (register char *p);
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51 char *copy_quoted_string (register char *p);
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52 enum boolean no_interactive_prompt (register char *q);
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53 char *skip_blanks (register char *p);
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54
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55
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56 main (int argc, char *argv[])
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57 {
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58 register int i;
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59
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60 outfile = stdout;
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61
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62 /* If first two args are -o FILE, output to FILE. */
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63 i = 1;
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64 if (argc > i + 1 && strcmp (argv[i], "-o") == 0) {
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65 outfile = fopen (argv[++i], "w");
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66 ++i;
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67 }
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68 /* ...Or if args are -a FILE, append to FILE. */
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69 if (argc > i + 1 && strcmp (argv[i], "-a") == 0) {
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70 outfile = fopen (argv[++i], "a");
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71 ++i;
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72 }
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73 if (!outfile) {
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74 fprintf (stderr, "Unable to open output file %s\n", argv[--i]);
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75 return;
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76 }
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77
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78 for (; i < argc; i++)
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79 scan_file (argv[i]);
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80
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81 return 0;
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82 }
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83
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84
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85 void scan_file (char *filename)
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86 {
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87 enum filetype type = INVALID_FILE;
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88 register char *p = filename + strlen (filename);
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89
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90 if (strcmp (p - 4, ".elc") == 0) {
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91 *--p = '\0'; /* Use .el file instead */
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92 type = LISP_FILE;
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93 } else if (strcmp (p - 3, ".el") == 0)
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94 type = LISP_FILE;
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95 else if (strcmp (p - 2, ".o") == 0) {
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96 *--p = 'c'; /* Use .c file instead */
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97 type = C_FILE;
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98 } else if (strcmp (p - 2, ".c") == 0)
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99 type = C_FILE;
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100
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101 if (type == INVALID_FILE) {
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102 fprintf (stderr, "File %s being ignored\n", filename);
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103 return;
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104 }
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105 infile = fopen (filename, "r");
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106 if (!infile) {
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107 fprintf (stderr, "Unable to open input file %s\n", filename);
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108 return;
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109 }
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110
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111 fprintf (outfile, "/* %s */\n", filename);
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112 if (type == C_FILE)
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113 process_C_file ();
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114 else
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115 process_Lisp_file ();
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116 fputc ('\n', outfile);
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442
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117
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428
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118 fclose (infile);
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119 }
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120
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121
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122 void process_C_file (void)
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123 {
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124 register char *p;
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125 char *gettext, *defun;
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126
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127 while (p = GET_LINE) {
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128 gettext = strstr (p, "GETTEXT");
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129 defun = strstr (p, "DEFUN");
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130 if (gettext || defun) {
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131 if (gettext) {
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132 p = gettext;
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133 p += 7; /* Skip over "GETTEXT" */
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134 }
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135 else if (defun) {
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136 p = defun;
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137 p += 5; /* Skip over "DEFUN" */
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138 }
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139
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140 p = skip_blanks (p);
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141 if (*p++ != '(')
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142 continue;
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143
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144 if (defun) {
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145 register int i;
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146
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147 for (i = 0; i < 5; i++) /* Skip over commas to doc string */
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148 while (*p++ != ',')
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149 CHECK_EOL (p);
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150 if (*p == '\n')
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151 p = GET_LINE;
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152 }
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153
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154 p = skip_blanks (p);
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155 if (*p != '\"') /* Make sure there is a quoted string */
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156 continue;
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157
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158 if (defun && no_interactive_prompt (p))
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159 continue;
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160
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161 fprintf (outfile, "gettext(");
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162 if (gettext)
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163 p = copy_up_to_paren (p);
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164 else
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165 p = copy_quoted_string (p);
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166 fprintf (outfile, ")\n");
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167 }
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168 }
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169 }
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170
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171
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172 void process_Lisp_file (void)
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173 {
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174 register char *p;
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175 char *gettext, *interactive;
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176 enum boolean dgettext = FALSE;
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177
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178 while (p = GET_LINE) {
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179 gettext = strstr (p, "gettext");
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180 interactive = strstr (p, "(interactive");
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181 if (gettext || interactive) {
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182 if (!interactive)
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183 p = gettext;
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184 else if (!gettext)
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185 p = interactive;
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186 else if (gettext < interactive) {
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187 p = gettext;
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188 interactive = NULL;
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189 } else {
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190 p = interactive;
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191 gettext = NULL;
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192 }
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193
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194 if (gettext) {
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195 if (p > line && *(p-1) == 'd')
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196 dgettext = TRUE;
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197 p += 7; /* Skip over "gettext" */
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198 } else
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199 p += 12; /* Skip over "(interactive" */
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200
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201 p = skip_blanks (p);
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202 if (*p != '\"') /* Make sure there is a quoted string */
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203 continue;
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204
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205 if (dgettext) { /* Skip first quoted string (domain name) */
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206 while (*++p != '"')
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207 ; /* null statement */
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208 ++p;
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209 p = skip_blanks (p);
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210 if (*p != '\"') /* Check for second quoted string (message) */
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211 continue;
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212 }
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213
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214 if (interactive && no_interactive_prompt (p))
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215 continue;
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216
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217 fprintf (outfile, "gettext(");
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218 p = copy_up_to_paren (p);
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219 fprintf (outfile, ")\n");
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220 }
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221 }
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222 }
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223
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224
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225 /* Assuming p points to some character beyond an opening parenthesis, copy
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226 everything to outfile up to but not including the closing parenthesis.
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227 */
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228 char *copy_up_to_paren (register char *p)
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229 {
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230 for (;;) {
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231 SKIP_BLANKS (p); /* We don't call skip_blanks() in order to */
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232 CHECK_EOL (p); /* preserve blanks at the beginning of the line */
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233 if (*p == ')')
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234 break;
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235
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236 if (*p == '\"')
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237 p = copy_quoted_string (p);
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238 else
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239 fputc (*p++, outfile);
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240 }
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241 return p;
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242 }
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243
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244
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245 /* Assuming p points to a quote character, copy the quoted string to outfile.
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246 */
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247 char *copy_quoted_string (register char *p)
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248 {
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249 do {
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250 if (*p == '\\')
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251 fputc (*p++, outfile);
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252 fputc (*p++, outfile);
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253 CHECK_EOL (p);
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254 } while (*p != '\"');
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255
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256 fputc (*p++, outfile);
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257 return p;
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258 }
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259
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260
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261 /* Return TRUE if the interactive specification consists only
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262 of code letters and no prompt.
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263 */
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264 enum boolean no_interactive_prompt (register char *q)
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265 {
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266 while (++q, *q == '*' || *q == '@')
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267 ; /* null statement */
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268 if (*q == '\"')
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269 return TRUE;
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270 skip_code_letter:
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271 if (*++q == '\"')
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272 return TRUE;
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273 if (*q == '\\' && *++q == 'n') {
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274 ++q;
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275 goto skip_code_letter;
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276 }
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277 return FALSE;
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278 }
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279
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280
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281 char *skip_blanks (register char *p)
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282 {
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283 while (*p == ' ' || *p == '\t' || *p == '\n') {
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284 p++;
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285 CHECK_EOL (p);
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286 }
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287 return p;
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288 }
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