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131 lines
3.1 KiB
C++
131 lines
3.1 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "PathComponent.h"
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#include "prio.h"
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#include "plstr.h"
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#include "prprf.h"
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#include "CUtils.h"
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#include "StringUtils.h"
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#include "DiskFileReader.h"
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#include "ZipFileReader.h"
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/* return a path component object that can handle the component given
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* by path
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*/
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PathComponent::PathComponent(const char *path, Pool &pool) : pool(pool)
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{
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PRFileInfo info;
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if (PR_GetFileInfo(path, &info) < 0)
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componentType = pathComponentTypeInvalid;
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else {
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switch (info.type) {
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case PR_FILE_DIRECTORY:
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componentType = pathComponentTypeDirectory;
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dirName = dupString(path, pool);
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break;
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case PR_FILE_FILE: {
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bool status;
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ZipArchive *zarch = new (pool) ZipArchive(path, pool, status);
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if (status) {
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archive = zarch;
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componentType = pathComponentTypeZipFile;
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} else {
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zarch->ZipArchive::~ZipArchive();
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componentType = pathComponentTypeInvalid;
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}
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break;
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}
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default:
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componentType = pathComponentTypeInvalid;
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break;
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}
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}
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}
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FileReader *PathComponent::getFile(const char *className,
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Uint32 maxFileNameLen)
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{
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if (componentType == pathComponentTypeInvalid)
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return 0;
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switch (componentType) {
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case pathComponentTypeZipFile: {
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Int32 len = PL_strlen(className)+10;
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TemporaryBuffer tempBuf(len);
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char *fileName = tempBuf;
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PR_snprintf(fileName, len, "%s.class", className);
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const DirectoryEntry *entry = archive->lookup(fileName);
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if (!entry)
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return 0;
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return new (pool) ZipFileReader(pool, *archive, entry);
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}
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case pathComponentTypeDirectory: {
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Int32 fileLen = PL_strlen(className) + PL_strlen(dirName)+10;
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TemporaryBuffer fileBuf(fileLen);
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char *fileName = fileBuf;
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PR_snprintf(fileName, fileLen, "%s/%s.class", dirName, className);
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/* Normal file names on the MAC are truncated to 31 characters */
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if (maxFileNameLen > 0) {
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char *classFileName = PL_strrchr(fileName, '/');
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if (classFileName == NULL)
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classFileName = fileName;
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else
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classFileName += 1;
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Uint32 fileNameLen = PL_strlen(classFileName);
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if (fileNameLen > maxFileNameLen) {
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#ifdef XP_MAC
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classFileName[maxFileNameLen] = '<EFBFBD>';
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classFileName[maxFileNameLen + 1] = 0;
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#else
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assert(false);
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#endif
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}
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}
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PRFileInfo info;
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if (PR_GetFileInfo(fileName, &info) < 0)
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return 0;
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return new DiskFileReader(pool, fileName);
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}
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default:
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return 0;
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}
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}
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