llurl.cpp
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上传日期:2021-03-01
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- /**
- * @file llurl.cpp
- * @brief Text url class
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llurl.h"
- #include "llerror.h"
- LLURL::LLURL()
- {
- init("");
- }
- LLURL::LLURL(const LLURL &url)
- {
- if (this != &url)
- {
- init(url.getFQURL());
- }
- else
- {
- init("");
- }
- }
- LLURL::LLURL(const char * url)
- {
- init(url);
- }
- LLURL::~LLURL()
- {
- cleanup();
- }
- void LLURL::init(const char * url)
- {
- mURI[0] = ' ';
- mAuthority[0] = ' ';
- mPath[0] = ' ';
- mFilename[0] = ' ';
- mExtension[0] = ' ';
- mTag[0] = ' ';
-
- char url_copy[MAX_STRING]; /* Flawfinder: ignore */
- strncpy (url_copy,url, MAX_STRING -1); /* Flawfinder: ignore */
- url_copy[MAX_STRING -1] = ' ';
- char *parse;
- char *leftover_url = url_copy;
- S32 span = 0;
- // copy and lop off tag
- if ((parse = strchr(url_copy,'#')))
- {
- strncpy(mTag,parse+1, LL_MAX_PATH -1); /* Flawfinder: ignore */
- mTag[LL_MAX_PATH -1] = ' ';
- *parse = ' ';
- }
- // copy out URI if it exists, update leftover_url
- if ((parse = strchr(url_copy,':')))
- {
- *parse = ' ';
- strncpy(mURI,leftover_url, LL_MAX_PATH -1); /* Flawfinder: ignore */
- mURI[LL_MAX_PATH -1] = ' ';
- leftover_url = parse + 1;
- }
- // copy out authority if it exists, update leftover_url
- if ((leftover_url[0] == '/') && (leftover_url[1] == '/'))
- {
- leftover_url += 2; // skip the "//"
- span = strcspn(leftover_url, "/");
- strncat(mAuthority,leftover_url,span); /* Flawfinder: ignore */
- leftover_url += span;
- }
-
- if ((parse = strrchr(leftover_url,'.')))
- {
- // copy and lop off extension
- strncpy(mExtension,parse+1, LL_MAX_PATH -1); /* Flawfinder: ignore */
- mExtension[LL_MAX_PATH -1] = ' ';
- *parse = ' ';
- }
- if ((parse = strrchr(leftover_url,'/')))
- {
- parse++;
- }
- else
- {
- parse = leftover_url;
- }
- // copy and lop off filename
- strncpy(mFilename,parse, LL_MAX_PATH -1);/* Flawfinder: ignore */
- mFilename[LL_MAX_PATH -1] = ' ';
- *parse = ' ';
- // what's left should be the path
- strncpy(mPath,leftover_url, LL_MAX_PATH -1); /* Flawfinder: ignore */
- mPath[LL_MAX_PATH -1] = ' ';
- // llinfos << url << " decomposed into: " << llendl;
- // llinfos << " URI : <" << mURI << ">" << llendl;
- // llinfos << " Auth: <" << mAuthority << ">" << llendl;
- // llinfos << " Path: <" << mPath << ">" << llendl;
- // llinfos << " File: <" << mFilename << ">" << llendl;
- // llinfos << " Ext : <" << mExtension << ">" << llendl;
- // llinfos << " Tag : <" << mTag << ">" << llendl;
- }
- void LLURL::cleanup()
- {
- }
- // Copy assignment
- LLURL &LLURL::operator=(const LLURL &rhs)
- {
- if (this != &rhs)
- {
- this->init(rhs.getFQURL());
- }
-
- return *this;
- }
- // Compare
- bool LLURL::operator==(const LLURL &rhs) const
- {
- if ((strcmp(mURI, rhs.mURI))
- || (strcmp(mAuthority, rhs.mAuthority))
- || (strcmp(mPath, rhs.mPath))
- || (strcmp(mFilename, rhs.mFilename))
- || (strcmp(mExtension, rhs.mExtension))
- || (strcmp(mTag, rhs.mTag))
- )
- {
- return FALSE;
- }
- return TRUE;
- }
- bool LLURL::operator!=(const LLURL& rhs) const
- {
- return !(*this == rhs);
- }
- const char * LLURL::getFQURL() const
- {
- char fqurl[LL_MAX_PATH]; /* Flawfinder: ignore */
- fqurl[0] = ' ';
- if (mURI[0])
- {
- strncat(fqurl,mURI, LL_MAX_PATH - strlen(fqurl) -1); /* Flawfinder: ignore */
- strcat(fqurl,":"); /* Flawfinder: ignore */
- if (mAuthority[0])
- {
- strcat(fqurl,"//"); /* Flawfinder: ignore */
- }
- }
- if (mAuthority[0])
- {
- strncat(fqurl,mAuthority, LL_MAX_PATH - strlen(fqurl) -1); /* Flawfinder: ignore */
- }
- strncat(fqurl,mPath, LL_MAX_PATH - strlen(fqurl) -1); /* Flawfinder: ignore */
- strncat(fqurl,mFilename, LL_MAX_PATH - strlen(fqurl) -1); /* Flawfinder: ignore */
-
- if (mExtension[0])
- {
- strcat(fqurl,"."); /* Flawfinder: ignore */
- strncat(fqurl,mExtension, LL_MAX_PATH - strlen(fqurl) -1); /* Flawfinder: ignore */
- }
- if (mTag[0])
- {
- strcat(fqurl,"#"); /* Flawfinder: ignore */
- strncat(fqurl,mTag, LL_MAX_PATH - strlen(fqurl) -1); /* Flawfinder: ignore */
- }
- strncpy(LLURL::sReturnString,fqurl, LL_MAX_PATH -1); /* Flawfinder: ignore */
- LLURL::sReturnString[LL_MAX_PATH -1] = ' ';
- return(LLURL::sReturnString);
- }
- const char* LLURL::updateRelativePath(const LLURL &url)
- {
- char new_path[LL_MAX_PATH]; /* Flawfinder: ignore */
- char tmp_path[LL_MAX_PATH]; /* Flawfinder: ignore */
- char *parse;
- if (mPath[0] != '/')
- {
- //start with existing path
- strncpy (new_path,url.mPath, LL_MAX_PATH -1); /* Flawfinder: ignore */
- new_path[LL_MAX_PATH -1] = ' ';
- strncpy (tmp_path,mPath, LL_MAX_PATH -1); /* Flawfinder: ignore */
- tmp_path[LL_MAX_PATH -1] = ' ';
- parse = strtok(tmp_path,"/");
- while (parse)
- {
- if (!strcmp(parse,"."))
- {
- // skip this, it's meaningless
- }
- else if (!strcmp(parse,".."))
- {
- if ((parse = strrchr(new_path, '/')))
- {
- *parse = ' ';
- if ((parse = strrchr(new_path, '/')))
- {
- *(parse+1) = ' ';
- }
- else
- {
- new_path[0] = ' ';
- }
- }
- else
- {
- strcat(new_path,"../"); /* Flawfinder: ignore */
- }
- }
- else
- {
- strncat(new_path,parse, LL_MAX_PATH - strlen(new_path) -1 ); /* Flawfinder: ignore */
- strcat(new_path,"/"); /* Flawfinder: ignore */
- }
- parse = strtok(NULL,"/");
- }
- strncpy(mPath,new_path, LL_MAX_PATH -1); /* Flawfinder: ignore */
- mPath[LL_MAX_PATH -1] = ' ';
- }
- return mPath;
- }
- const char * LLURL::getFullPath()
- {
- strncpy(LLURL::sReturnString,mPath, LL_MAX_PATH -1); /* Flawfinder: ignore */
- LLURL::sReturnString[LL_MAX_PATH -1] = ' ';
- strncat(LLURL::sReturnString,mFilename, LL_MAX_PATH - strlen(LLURL::sReturnString) -1); /* Flawfinder: ignore */
- strcat(LLURL::sReturnString,"."); /* Flawfinder: ignore */
- strncat(LLURL::sReturnString,mExtension, LL_MAX_PATH - strlen(LLURL::sReturnString) -1); /* Flawfinder: ignore */
- return(sReturnString);
- }
- char LLURL::sReturnString[LL_MAX_PATH] = "";