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
22 U_NAMESPACE_USE
23
24 static 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 */
34 static UBool
isListTextFile(const char * listname)35 isListTextFile(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 */
56 U_CAPI Package * U_EXPORT2
readList(const char * filesPath,const char * listname,UBool readContents,Package * listPkgIn)57 readList(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
151 U_CAPI int U_EXPORT2
writePackageDatFile(const char * outFilename,const char * outComment,const char * sourcePath,const char * addList,Package * pkg,char outType)152 writePackageDatFile(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