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// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/******************************************************************************
* Copyright (C) 2008-2015, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
*/
#include "unicode/utypes.h"
#include "unicode/localpointer.h"
#include "unicode/putil.h"
#include "cstring.h"
#include "toolutil.h"
#include "uoptions.h"
#include "uparse.h"
#include "package.h"
#include "pkg_icu.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// read a file list -------------------------------------------------------- ***
U_NAMESPACE_USE
static const struct {
const char *suffix;
int32_t length;
} listFileSuffixes[]={
{ ".txt", 4 },
{ ".lst", 4 },
{ ".tmp", 4 }
};
/* check for multiple text file suffixes to see if this list name is a text file name */
static UBool
isListTextFile(const char *listname) {
const char *listNameEnd=strchr(listname, 0);
const char *suffix;
int32_t i, length;
for(i=0; i<UPRV_LENGTHOF(listFileSuffixes); ++i) {
suffix=listFileSuffixes[i].suffix;
length=listFileSuffixes[i].length;
if((listNameEnd-listname)>length && 0==memcmp(listNameEnd-length, suffix, length)) {
return TRUE;
}
}
return FALSE;
}
/*
* Read a file list.
* If the listname ends with ".txt", then read the list file
* (in the system/ invariant charset).
* If the listname ends with ".dat", then read the ICU .dat package file.
* Otherwise, read the file itself as a single-item list.
*/
U_CAPI Package * U_EXPORT2
readList(const char *filesPath, const char *listname, UBool readContents, Package *listPkgIn) {
Package *listPkg = listPkgIn;
FILE *file;
const char *listNameEnd;
if(listname==NULL || listname[0]==0) {
fprintf(stderr, "missing list file\n");
return NULL;
}
if (listPkg == NULL) {
listPkg=new Package();
if(listPkg==NULL) {
fprintf(stderr, "icupkg: not enough memory\n");
exit(U_MEMORY_ALLOCATION_ERROR);
}
}
listNameEnd=strchr(listname, 0);
if(isListTextFile(listname)) {
// read the list file
char line[1024];
char *end;
const char *start;
file=fopen(listname, "r");
if(file==NULL) {
fprintf(stderr, "icupkg: unable to open list file \"%s\"\n", listname);
delete listPkg;
exit(U_FILE_ACCESS_ERROR);
}
while(fgets(line, sizeof(line), file)) {
// remove comments
end=strchr(line, '#');
if(end!=NULL) {
*end=0;
} else {
// remove trailing CR LF
end=strchr(line, 0);
while(line<end && (*(end-1)=='\r' || *(end-1)=='\n')) {
*--end=0;
}
}
// check first non-whitespace character and
// skip empty lines and
// skip lines starting with reserved characters
start=u_skipWhitespace(line);
if(*start==0 || NULL!=strchr(U_PKG_RESERVED_CHARS, *start)) {
continue;
}
// take whitespace-separated items from the line
for(;;) {
// find whitespace after the item or the end of the line
for(end=(char *)start; *end!=0 && *end!=' ' && *end!='\t'; ++end) {}
if(*end==0) {
// this item is the last one on the line
end=NULL;
} else {
// the item is terminated by whitespace, terminate it with NUL
*end=0;
}
if(readContents) {
listPkg->addFile(filesPath, start);
} else {
listPkg->addItem(start);
}
// find the start of the next item or exit the loop
if(end==NULL || *(start=u_skipWhitespace(end+1))==0) {
break;
}
}
}
fclose(file);
} else if((listNameEnd-listname)>4 && 0==memcmp(listNameEnd-4, ".dat", 4)) {
// read the ICU .dat package
// Accept a .dat file whose name differs from the ToC prefixes.
listPkg->setAutoPrefix();
listPkg->readPackage(listname);
} else {
// list the single file itself
if(readContents) {
listPkg->addFile(filesPath, listname);
} else {
listPkg->addItem(listname);
}
}
return listPkg;
}
U_CAPI int U_EXPORT2
writePackageDatFile(const char *outFilename, const char *outComment, const char *sourcePath, const char *addList, Package *pkg, char outType) {
LocalPointer<Package> ownedPkg;
LocalPointer<Package> addListPkg;
if (pkg == NULL) {
ownedPkg.adoptInstead(new Package);
if(ownedPkg.isNull()) {
fprintf(stderr, "icupkg: not enough memory\n");
return U_MEMORY_ALLOCATION_ERROR;
}
pkg = ownedPkg.getAlias();
addListPkg.adoptInstead(readList(sourcePath, addList, TRUE, NULL));
if(addListPkg.isValid()) {
pkg->addItems(*addListPkg);
} else {
return U_ILLEGAL_ARGUMENT_ERROR;
}
}
pkg->writePackage(outFilename, outType, outComment);
return 0;
}
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