+++ /dev/null
-// Gets the size of a file
-function webdeveloper_getFileSize(url)
-{
- var cacheService = Components.classes["@mozilla.org/network/cache-service;1"].getService(Components.interfaces.nsICacheService);
- var cacheSession = null;
- var file = null;
- var fileSize = null;
- var readAccess = Components.interfaces.nsICache.ACCESS_READ;
-
- // Try to get the file size from the HTTP cache
- try
- {
- cacheSession = cacheService.createSession("HTTP", 0, true);
- cacheSession.doomEntriesIfExpired = false;
- file = cacheSession.openCacheEntry(url, readAccess, false);
-
- // If there is a file
- if(file)
- {
- fileSize = file.dataSize;
- }
- }
- catch(exception)
- {
- // Try to get the file size from the FTP cache
- try
- {
- cacheSession = cacheService.createSession("FTP", 0, true);
- cacheSession.doomEntriesIfExpired = false;
- file = cacheSession.openCacheEntry(url, readAccess, false);
-
- // If there is a file
- if(file)
- {
- fileSize = file.dataSize;
- }
- }
- catch(exception)
- {
- fileSize = null;
- }
- }
-
- // If the file size could not be retrieved from the cache
- if(!fileSize)
- {
- // Try to download the file
- try
- {
- var ioService = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
-
- fileSize = ioService.newChannelFromURI(ioService.newURI(url, null, null)).open().available();
- }
- catch(exception)
- {
- fileSize = null;
- }
- }
-
- return fileSize;
-}
-
-// Gets the uncompressed size of a file
-function webdeveloper_getUncompressedFileSize(url)
-{
- var cacheService = Components.classes["@mozilla.org/network/cache-service;1"].getService(Components.interfaces.nsICacheService);
- var cacheSession = null;
- var file = null;
- var fileCompressed = true;
- var fileSize = null;
- var readAccess = Components.interfaces.nsICache.ACCESS_READ;
-
- // Try to get the file size from the HTTP cache
- try
- {
- cacheSession = cacheService.createSession("HTTP", 0, true);
- cacheSession.doomEntriesIfExpired = false;
- file = cacheSession.openCacheEntry(url, readAccess, false);
- }
- catch(exception)
- {
- // Try to get the file size from the FTP cache
- try
- {
- cacheSession = cacheService.createSession("FTP", 0, true);
- cacheSession.doomEntriesIfExpired = false;
- file = cacheSession.openCacheEntry(url, readAccess, false);
- }
- catch(exception)
- {
- file = null;
- }
- }
-
- // If there is a file
- if(file)
- {
- var encoding = null;
- var responseHeaders = null;
-
- // Try to get the cache encoding
- try
- {
- // Specific case-sensitive required
- encoding = file.getMetaDataElement("request-Accept-Encoding");
- }
- catch(exception)
- {
- encoding = null;
-
- // Try to get the response headers
- try
- {
- // Specific case-sensitive required
- responseHeaders = file.getMetaDataElement("response-head");
- }
- catch(exception)
- {
- responseHeaders = null;
- }
- }
-
- // If the cache is not GZIP encoded
- if((!encoding || encoding.indexOf("gzip") == -1) && (!responseHeaders || responseHeaders.indexOf("Content-Encoding: gzip") == -1))
- {
- fileCompressed = false;
- }
- }
-
- // If the file is compressed
- if(fileCompressed)
- {
- // Try to download the file
- try
- {
- var request = new XMLHttpRequest();
-
- request.open("get", url, false);
- request.send(null);
-
- fileSize = request.responseText.length;
- }
- catch(exception)
- {
- fileSize = null;
- }
- }
-
- return fileSize;
-}
-
-// Retrieves the source from the given URL
-function webdeveloper_retrieveSource(url)
-{
- var source = null;
-
- // If the URL is not entirely generated
- if(url.indexOf("wyciwyg://") != 0)
- {
- var cacheService = Components.classes["@mozilla.org/network/cache-service;1"].getService(Components.interfaces.nsICacheService);
- var cacheSession = null;
- var file = null;
- var readAccess = Components.interfaces.nsICache.ACCESS_READ;
-
- // Try to get the file size from the HTTP cache
- try
- {
- cacheSession = cacheService.createSession("HTTP", 0, true);
- cacheSession.doomEntriesIfExpired = false;
- file = cacheSession.openCacheEntry(url, readAccess, false);
- }
- catch(exception)
- {
- // Try to get the file size from the FTP cache
- try
- {
- cacheSession = cacheService.createSession("FTP", 0, true);
- cacheSession.doomEntriesIfExpired = false;
- file = cacheSession.openCacheEntry(url, readAccess, false);
- }
- catch(exception)
- {
- file = null;
- }
- }
-
- // If there is a file
- if(file)
- {
- var encoding = null;
- var responseHeaders = null;
-
- // Try to get the cache encoding
- try
- {
- // Specific case-sensitive required
- encoding = file.getMetaDataElement("request-Accept-Encoding");
- }
- catch(exception)
- {
- encoding = null;
-
- // Try to get the response headers
- try
- {
- // Specific case-sensitive required
- responseHeaders = file.getMetaDataElement("response-head");
- }
- catch(exception)
- {
- responseHeaders = null;
- }
- }
-
- // If the cache is not GZIP encoded
- if((!encoding || encoding.indexOf("gzip") == -1) && (!responseHeaders || (responseHeaders.indexOf("Content-Encoding: deflate") == -1 && responseHeaders.indexOf("Content-Encoding: gzip") == -1)))
- {
- var inputStream = file.openInputStream(0);
- var scriptableStream = Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance(Components.interfaces.nsIScriptableInputStream);
-
- scriptableStream.init(inputStream);
-
- source = scriptableStream.read(scriptableStream.available());
-
- scriptableStream.close();
- inputStream.close();
- }
- }
-
- // If the source has not been loaded
- if(!source)
- {
- // Try to load the URL
- try
- {
- var request = new XMLHttpRequest();
-
- request.open("get", url, false);
- request.send(null);
-
- source = request.responseText;
- }
- catch(exception)
- {
- source = null;
- }
- }
- }
-
- return source;
-}
projects / pompage.git / blobdiff