/cxpm/cxpm.c
C | 177 lines | 106 code | 20 blank | 51 comment | 17 complexity | 3872a3e103deef30c80bca283771738d MD5 | raw file
1/* 2 * Copyright (C) 1998 Arnaud LE HORS 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to 6 * deal in the Software without restriction, including without limitation the 7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 8 * sell copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * Arnaud LE HORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 18 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * Except as contained in this notice, the name of Arnaud LE HORS shall not be 22 * used in advertising or otherwise to promote the sale, use or other dealings 23 * in this Software without prior written authorization from Arnaud LE HORS. 24 */ 25 26/*****************************************************************************\ 27* cxpm.c: * 28* * 29* Check XPM File program * 30* * 31* Developed by Arnaud Le Hors * 32\*****************************************************************************/ 33 34#define CXPMPROG 35 36#ifdef HAVE_CONFIG_H 37#include <config.h> 38#endif 39#include "XpmI.h" 40#ifdef USE_GETTEXT 41#include <locale.h> 42#include <libintl.h> 43#else 44#define gettext(a) (a) 45#endif 46 47#undef xpmGetC 48#define xpmGetC(data) sGetc(data, data->stream.file) 49#define Getc sGetc 50#define Ungetc sUngetc 51 52 53/* 54 * special getc and ungetc counting read lines and characters 55 * note that 's' could stand both for "special" and "slow" ;-) 56 */ 57static int 58sGetc(xpmData *data, FILE *file) 59{ 60 int c = getc(data->stream.file); 61 if (c == '\n') { 62 data->lineNum++; 63 data->charNum = 0; 64 } else { 65 data->charNum++; 66 } 67 return c; 68} 69 70static void 71sUngetc(xpmData *data, int c, FILE *file) 72{ 73 ungetc(c, data->stream.file); 74 if (c == '\n') { 75 data->lineNum--; 76 data->charNum = 0; 77 } else { 78 data->charNum--; 79 } 80} 81 82/* include all the code we need (yeah, I know, quite ugly...) */ 83#include "data.c" 84#include "parse.c" 85#include "RdFToI.c" /* only for OpenReadFile and xpmDataClose */ 86#include "hashtab.c" 87#include "misc.c" 88#include "Attrib.c" 89#include "Image.c" 90 91static void 92ErrorMessage( 93 int ErrorStatus, 94 xpmData *data) 95 96{ 97 char *error = NULL; 98 99 switch (ErrorStatus) { 100 case XpmSuccess: 101 return; 102 case XpmOpenFailed: 103 /* L10N_Comments : Error produced when filename does not exist 104 or insufficient permissions to open (i.e. cxpm /no/such/file ) */ 105 error = gettext("Cannot open file"); 106 break; 107 case XpmFileInvalid: 108 /* L10N_Comments : Error produced when filename can be read, but 109 is not an XPM file (i.e. cxpm /dev/null ) */ 110 error = gettext("Invalid XPM file"); 111 break; 112 case XpmNoMemory: 113 /* L10N_Comments : Error produced when filename can be read, but 114 is too big for memory 115 (i.e. limit datasize 32 ; cxpm /usr/dt/backdrops/Crochet.pm ) */ 116 error = gettext("Not enough memory"); 117 break; 118 case XpmColorFailed: 119 /* L10N_Comments : Error produced when filename can be read, but 120 contains an invalid color specification (need to create test case)*/ 121 error = gettext("Failed to parse color"); 122 break; 123 } 124 125 if (error) { 126 /* L10N_Comments : Wrapper around above Xpm errors - %s is 127 replaced with the contents of the error message retrieved above */ 128 fprintf(stderr, gettext("Xpm Error: %s.\n"), error); 129 if (ErrorStatus == XpmFileInvalid && data) 130 /* L10N_Comments : Error produced when filename can be read, but 131 is not an XPM file (i.e. cxpm /dev/null ) */ 132 fprintf(stderr, gettext("Error found line %d near character %d\n"), 133 data->lineNum + 1, 134 data->charNum + 1); 135 exit(1); 136 } 137} 138 139int 140main(int argc, char **argv) 141{ 142 XpmImage image; 143 char *filename; 144 int ErrorStatus; 145 xpmData data; 146 147#ifdef USE_GETTEXT 148 setlocale(LC_ALL,""); 149 bindtextdomain("cxpm",LOCALEDIR); 150 textdomain("cxpm"); 151#endif 152 153 if (argc > 1) { 154 if (!strcmp(argv[1], "-?") || !strncmp(argv[1], "-h", 2)) { 155 /* L10N_Comments : Usage message produced by running cxpm -h 156 %s will be replaced by argv[0] (program name) */ 157 fprintf(stderr, gettext("Usage: %s [filename]\n"), argv[0]); 158 exit(1); 159 } 160 filename = argv[1]; 161 } else { 162 filename = NULL; 163 } 164 165 xpmInitXpmImage(&image); 166 167 if ((ErrorStatus = OpenReadFile(filename, &data)) != XpmSuccess) 168 ErrorMessage(ErrorStatus, NULL); 169 170 ErrorStatus = xpmParseData(&data, &image, NULL); 171 ErrorMessage(ErrorStatus, &data); 172 173 xpmDataClose(&data); 174 XpmFreeXpmImage(&image); 175 176 exit(0); 177}