1/****************************************************************************** 2 * Copyright (C) 2008-2015, International Business Machines 3 * Corporation and others. All Rights Reserved. 4 ******************************************************************************* 5 */ 6#include "unicode/utypes.h" 7#include "unicode/localpointer.h" 8#include "unicode/putil.h" 9#include "cstring.h" 10#include "toolutil.h" 11#include "uoptions.h" 12#include "uparse.h" 13#include "package.h" 14#include "pkg_icu.h" 15 16#include <stdio.h> 17#include <stdlib.h> 18#include <string.h> 19 20// read a file list -------------------------------------------------------- *** 21 22U_NAMESPACE_USE 23 24static const struct { 25 const char *suffix; 26 int32_t length; 27} listFileSuffixes[]={ 28 { ".txt", 4 }, 29 { ".lst", 4 }, 30 { ".tmp", 4 } 31}; 32 33/* check for multiple text file suffixes to see if this list name is a text file name */ 34static UBool 35isListTextFile(const char *listname) { 36 const char *listNameEnd=strchr(listname, 0); 37 const char *suffix; 38 int32_t i, length; 39 for(i=0; i<UPRV_LENGTHOF(listFileSuffixes); ++i) { 40 suffix=listFileSuffixes[i].suffix; 41 length=listFileSuffixes[i].length; 42 if((listNameEnd-listname)>length && 0==memcmp(listNameEnd-length, suffix, length)) { 43 return TRUE; 44 } 45 } 46 return FALSE; 47} 48 49/* 50 * Read a file list. 51 * If the listname ends with ".txt", then read the list file 52 * (in the system/ invariant charset). 53 * If the listname ends with ".dat", then read the ICU .dat package file. 54 * Otherwise, read the file itself as a single-item list. 55 */ 56U_CAPI Package * U_EXPORT2 57readList(const char *filesPath, const char *listname, UBool readContents, Package *listPkgIn) { 58 Package *listPkg = listPkgIn; 59 FILE *file; 60 const char *listNameEnd; 61 62 if(listname==NULL || listname[0]==0) { 63 fprintf(stderr, "missing list file\n"); 64 return NULL; 65 } 66 67 if (listPkg == NULL) { 68 listPkg=new Package(); 69 if(listPkg==NULL) { 70 fprintf(stderr, "icupkg: not enough memory\n"); 71 exit(U_MEMORY_ALLOCATION_ERROR); 72 } 73 } 74 75 listNameEnd=strchr(listname, 0); 76 if(isListTextFile(listname)) { 77 // read the list file 78 char line[1024]; 79 char *end; 80 const char *start; 81 82 file=fopen(listname, "r"); 83 if(file==NULL) { 84 fprintf(stderr, "icupkg: unable to open list file \"%s\"\n", listname); 85 delete listPkg; 86 exit(U_FILE_ACCESS_ERROR); 87 } 88 89 while(fgets(line, sizeof(line), file)) { 90 // remove comments 91 end=strchr(line, '#'); 92 if(end!=NULL) { 93 *end=0; 94 } else { 95 // remove trailing CR LF 96 end=strchr(line, 0); 97 while(line<end && (*(end-1)=='\r' || *(end-1)=='\n')) { 98 *--end=0; 99 } 100 } 101 102 // check first non-whitespace character and 103 // skip empty lines and 104 // skip lines starting with reserved characters 105 start=u_skipWhitespace(line); 106 if(*start==0 || NULL!=strchr(U_PKG_RESERVED_CHARS, *start)) { 107 continue; 108 } 109 110 // take whitespace-separated items from the line 111 for(;;) { 112 // find whitespace after the item or the end of the line 113 for(end=(char *)start; *end!=0 && *end!=' ' && *end!='\t'; ++end) {} 114 if(*end==0) { 115 // this item is the last one on the line 116 end=NULL; 117 } else { 118 // the item is terminated by whitespace, terminate it with NUL 119 *end=0; 120 } 121 if(readContents) { 122 listPkg->addFile(filesPath, start); 123 } else { 124 listPkg->addItem(start); 125 } 126 127 // find the start of the next item or exit the loop 128 if(end==NULL || *(start=u_skipWhitespace(end+1))==0) { 129 break; 130 } 131 } 132 } 133 fclose(file); 134 } else if((listNameEnd-listname)>4 && 0==memcmp(listNameEnd-4, ".dat", 4)) { 135 // read the ICU .dat package 136 // Accept a .dat file whose name differs from the ToC prefixes. 137 listPkg->setAutoPrefix(); 138 listPkg->readPackage(listname); 139 } else { 140 // list the single file itself 141 if(readContents) { 142 listPkg->addFile(filesPath, listname); 143 } else { 144 listPkg->addItem(listname); 145 } 146 } 147 148 return listPkg; 149} 150 151U_CAPI int U_EXPORT2 152writePackageDatFile(const char *outFilename, const char *outComment, const char *sourcePath, const char *addList, Package *pkg, char outType) { 153 LocalPointer<Package> ownedPkg; 154 LocalPointer<Package> addListPkg; 155 156 if (pkg == NULL) { 157 ownedPkg.adoptInstead(new Package); 158 if(ownedPkg.isNull()) { 159 fprintf(stderr, "icupkg: not enough memory\n"); 160 return U_MEMORY_ALLOCATION_ERROR; 161 } 162 pkg = ownedPkg.getAlias(); 163 164 addListPkg.adoptInstead(readList(sourcePath, addList, TRUE, NULL)); 165 if(addListPkg.isValid()) { 166 pkg->addItems(*addListPkg); 167 } else { 168 return U_ILLEGAL_ARGUMENT_ERROR; 169 } 170 } 171 172 pkg->writePackage(outFilename, outType, outComment); 173 return 0; 174} 175