mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 12:15:51 +00:00
135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
||
*
|
||
* The contents of this file are subject to the Netscape Public
|
||
* License Version 1.1 (the "License"); you may not use this file
|
||
* except in compliance with the License. You may obtain a copy of
|
||
* the License at http://www.mozilla.org/NPL/
|
||
*
|
||
* Software distributed under the License is distributed on an "AS
|
||
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
||
* implied. See the License for the specific language governing
|
||
* rights and limitations under the License.
|
||
*
|
||
* The Original Code is mozilla.org code.
|
||
*
|
||
* The Initial Developer of the Original Code is Netscape
|
||
* Communications Corporation. Portions created by Netscape are
|
||
* Copyright (C) 1998 Netscape Communications Corporation. All
|
||
* Rights Reserved.
|
||
*
|
||
* Contributor(s):
|
||
*/
|
||
#include "PathComponent.h"
|
||
|
||
#include "prio.h"
|
||
#include "plstr.h"
|
||
#include "prprf.h"
|
||
|
||
#include "CUtils.h"
|
||
#include "StringUtils.h"
|
||
|
||
#include "DiskFileReader.h"
|
||
#include "ZipFileReader.h"
|
||
|
||
/* return a path component object that can handle the component given
|
||
* by path
|
||
*/
|
||
PathComponent::PathComponent(const char *path, Pool &pool) : pool(pool)
|
||
{
|
||
PRFileInfo info;
|
||
|
||
if (PR_GetFileInfo(path, &info) < 0)
|
||
componentType = pathComponentTypeInvalid;
|
||
else {
|
||
switch (info.type) {
|
||
case PR_FILE_DIRECTORY:
|
||
componentType = pathComponentTypeDirectory;
|
||
dirName = dupString(path, pool);
|
||
break;
|
||
|
||
case PR_FILE_FILE: {
|
||
bool status;
|
||
ZipArchive *zarch = new (pool) ZipArchive(path, pool, status);
|
||
|
||
if (status) {
|
||
archive = zarch;
|
||
componentType = pathComponentTypeZipFile;
|
||
} else {
|
||
zarch->ZipArchive::~ZipArchive();
|
||
componentType = pathComponentTypeInvalid;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
default:
|
||
componentType = pathComponentTypeInvalid;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
FileReader *PathComponent::getFile(const char *className,
|
||
Uint32 maxFileNameLen)
|
||
{
|
||
if (componentType == pathComponentTypeInvalid)
|
||
return 0;
|
||
|
||
switch (componentType) {
|
||
case pathComponentTypeZipFile: {
|
||
Int32 len = PL_strlen(className)+10;
|
||
TemporaryBuffer tempBuf(len);
|
||
char *fileName = tempBuf;
|
||
|
||
PR_snprintf(fileName, len, "%s.class", className);
|
||
const DirectoryEntry *entry = archive->lookup(fileName);
|
||
|
||
if (!entry)
|
||
return 0;
|
||
|
||
return new (pool) ZipFileReader(pool, *archive, entry);
|
||
}
|
||
|
||
case pathComponentTypeDirectory: {
|
||
Int32 fileLen = PL_strlen(className) + PL_strlen(dirName)+10;
|
||
TemporaryBuffer fileBuf(fileLen);
|
||
char *fileName = fileBuf;
|
||
PR_snprintf(fileName, fileLen, "%s/%s.class", dirName, className);
|
||
|
||
/* Normal file names on the MAC are truncated to 31 characters */
|
||
if (maxFileNameLen > 0) {
|
||
char *classFileName = PL_strrchr(fileName, '/');
|
||
|
||
if (classFileName == NULL)
|
||
classFileName = fileName;
|
||
else
|
||
classFileName += 1;
|
||
|
||
Uint32 fileNameLen = PL_strlen(classFileName);
|
||
|
||
if (fileNameLen > maxFileNameLen) {
|
||
#ifdef XP_MAC
|
||
classFileName[maxFileNameLen] = '<EFBFBD>';
|
||
classFileName[maxFileNameLen + 1] = 0;
|
||
#else
|
||
assert(false);
|
||
#endif
|
||
}
|
||
}
|
||
|
||
PRFileInfo info;
|
||
if (PR_GetFileInfo(fileName, &info) < 0)
|
||
return 0;
|
||
|
||
return new DiskFileReader(pool, fileName);
|
||
}
|
||
|
||
default:
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
|
||
|