1 /******************************************************************************
2 * Copyright (C) 2008-2009, International Business Machines
3 * Corporation and others. All Rights Reserved.
4 *******************************************************************************
5 */
6 #include "unicode/utypes.h"
7 #include "unicode/putil.h"
8 #include "cstring.h"
9 #include "toolutil.h"
10 #include "uoptions.h"
11 #include "uparse.h"
12 #include "package.h"
13 #include "pkg_icu.h"
14
15 #include <stdio.h>
16 #include <stdlib.h>
17 #include <string.h>
18
19
20 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
21
22 // read a file list -------------------------------------------------------- ***
23
24 U_NAMESPACE_USE
25
26 static const struct {
27 const char *suffix;
28 int32_t length;
29 } listFileSuffixes[]={
30 { ".txt", 4 },
31 { ".lst", 4 },
32 { ".tmp", 4 }
33 };
34
35 /* check for multiple text file suffixes to see if this list name is a text file name */
36 static UBool
isListTextFile(const char * listname)37 isListTextFile(const char *listname) {
38 const char *listNameEnd=strchr(listname, 0);
39 const char *suffix;
40 int32_t i, length;
41 for(i=0; i<LENGTHOF(listFileSuffixes); ++i) {
42 suffix=listFileSuffixes[i].suffix;
43 length=listFileSuffixes[i].length;
44 if((listNameEnd-listname)>length && 0==memcmp(listNameEnd-length, suffix, length)) {
45 return TRUE;
46 }
47 }
48 return FALSE;
49 }
50
51 /*
52 * Read a file list.
53 * If the listname ends with ".txt", then read the list file
54 * (in the system/ invariant charset).
55 * If the listname ends with ".dat", then read the ICU .dat package file.
56 * Otherwise, read the file itself as a single-item list.
57 */
58 U_CAPI Package * U_EXPORT2
readList(const char * filesPath,const char * listname,UBool readContents)59 readList(const char *filesPath, const char *listname, UBool readContents) {
60 Package *listPkg;
61 FILE *file;
62 const char *listNameEnd;
63
64 if(listname==NULL || listname[0]==0) {
65 fprintf(stderr, "missing list file\n");
66 return NULL;
67 }
68
69 listPkg=new Package();
70 if(listPkg==NULL) {
71 fprintf(stderr, "icupkg: not enough memory\n");
72 exit(U_MEMORY_ALLOCATION_ERROR);
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 listPkg->readPackage(listname);
137 } else {
138 // list the single file itself
139 if(readContents) {
140 listPkg->addFile(filesPath, listname);
141 } else {
142 listPkg->addItem(listname);
143 }
144 }
145
146 return listPkg;
147 }
148
149 U_CAPI int U_EXPORT2
writePackageDatFile(const char * outFilename,const char * outComment,const char * sourcePath,const char * addList,Package * pkg,char outType)150 writePackageDatFile(const char *outFilename, const char *outComment, const char *sourcePath, const char *addList, Package *pkg, char outType) {
151 Package *addListPkg = NULL;
152 UBool pkgDelete = FALSE;
153
154 if (pkg == NULL) {
155 pkg = new Package;
156 if(pkg == NULL) {
157 fprintf(stderr, "icupkg: not enough memory\n");
158 return U_MEMORY_ALLOCATION_ERROR;
159 }
160
161 addListPkg = readList(sourcePath, addList, TRUE);
162 if(addListPkg != NULL) {
163 pkg->addItems(*addListPkg);
164 } else {
165 return U_ILLEGAL_ARGUMENT_ERROR;
166 }
167
168 pkgDelete = TRUE;
169 }
170
171 pkg->writePackage(outFilename, outType, outComment);
172
173 if (pkgDelete) {
174 delete pkg;
175 delete addListPkg;
176 }
177
178 return 0;
179 }
180
181