diff options
Diffstat (limited to 'plugins/FTPFileYM/curl/docs/examples/htmltitle.cpp')
| -rw-r--r-- | plugins/FTPFileYM/curl/docs/examples/htmltitle.cpp | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/plugins/FTPFileYM/curl/docs/examples/htmltitle.cpp b/plugins/FTPFileYM/curl/docs/examples/htmltitle.cpp deleted file mode 100644 index 55a7935acc..0000000000 --- a/plugins/FTPFileYM/curl/docs/examples/htmltitle.cpp +++ /dev/null @@ -1,313 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at http://curl.haxx.se/docs/copyright.html. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ***************************************************************************/ -// Get a web page, parse it with libxml. -// -// Written by Lars Nilsson -// -// GNU C++ compile command line suggestion (edit paths accordingly): -// -// g++ -Wall -I/opt/curl/include -I/opt/libxml/include/libxml2 htmltitle.cc \ -// -o htmltitle -L/opt/curl/lib -L/opt/libxml/lib -lcurl -lxml2 - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <string> -#include <curl/curl.h> -#include <libxml/HTMLparser.h> - -// -// Case-insensitive string comparison -// - -#ifdef _MSC_VER -#define COMPARE(a, b) (!stricmp((a), (b))) -#else -#define COMPARE(a, b) (!strcasecmp((a), (b))) -#endif - -// -// libxml callback context structure -// - -struct Context -{ - Context(): addTitle(false) { } - - bool addTitle; - std::string title; -}; - -// -// libcurl variables for error strings and returned data - -static char errorBuffer[CURL_ERROR_SIZE]; -static std::string buffer; - -// -// libcurl write callback function -// - -static int writer(char *data, size_t size, size_t nmemb, - std::string *writerData) -{ - if (writerData == NULL) - return 0; - - writerData->append(data, size*nmemb); - - return size * nmemb; -} - -// -// libcurl connection initialization -// - -static bool init(CURL *&conn, char *url) -{ - CURLcode code; - - conn = curl_easy_init(); - - if (conn == NULL) - { - fprintf(stderr, "Failed to create CURL connection\n"); - - exit(EXIT_FAILURE); - } - - code = curl_easy_setopt(conn, CURLOPT_ERRORBUFFER, errorBuffer); - if (code != CURLE_OK) - { - fprintf(stderr, "Failed to set error buffer [%d]\n", code); - - return false; - } - - code = curl_easy_setopt(conn, CURLOPT_URL, url); - if (code != CURLE_OK) - { - fprintf(stderr, "Failed to set URL [%s]\n", errorBuffer); - - return false; - } - - code = curl_easy_setopt(conn, CURLOPT_FOLLOWLOCATION, 1L); - if (code != CURLE_OK) - { - fprintf(stderr, "Failed to set redirect option [%s]\n", errorBuffer); - - return false; - } - - code = curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, writer); - if (code != CURLE_OK) - { - fprintf(stderr, "Failed to set writer [%s]\n", errorBuffer); - - return false; - } - - code = curl_easy_setopt(conn, CURLOPT_WRITEDATA, &buffer); - if (code != CURLE_OK) - { - fprintf(stderr, "Failed to set write data [%s]\n", errorBuffer); - - return false; - } - - return true; -} - -// -// libxml start element callback function -// - -static void StartElement(void *voidContext, - const xmlChar *name, - const xmlChar **attributes) -{ - Context *context = (Context *)voidContext; - - if (COMPARE((char *)name, "TITLE")) - { - context->title = ""; - context->addTitle = true; - } - (void) attributes; -} - -// -// libxml end element callback function -// - -static void EndElement(void *voidContext, - const xmlChar *name) -{ - Context *context = (Context *)voidContext; - - if (COMPARE((char *)name, "TITLE")) - context->addTitle = false; -} - -// -// Text handling helper function -// - -static void handleCharacters(Context *context, - const xmlChar *chars, - int length) -{ - if (context->addTitle) - context->title.append((char *)chars, length); -} - -// -// libxml PCDATA callback function -// - -static void Characters(void *voidContext, - const xmlChar *chars, - int length) -{ - Context *context = (Context *)voidContext; - - handleCharacters(context, chars, length); -} - -// -// libxml CDATA callback function -// - -static void cdata(void *voidContext, - const xmlChar *chars, - int length) -{ - Context *context = (Context *)voidContext; - - handleCharacters(context, chars, length); -} - -// -// libxml SAX callback structure -// - -static htmlSAXHandler saxHandler = -{ - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - StartElement, - EndElement, - NULL, - Characters, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - cdata, - NULL -}; - -// -// Parse given (assumed to be) HTML text and return the title -// - -static void parseHtml(const std::string &html, - std::string &title) -{ - htmlParserCtxtPtr ctxt; - Context context; - - ctxt = htmlCreatePushParserCtxt(&saxHandler, &context, "", 0, "", - XML_CHAR_ENCODING_NONE); - - htmlParseChunk(ctxt, html.c_str(), html.size(), 0); - htmlParseChunk(ctxt, "", 0, 1); - - htmlFreeParserCtxt(ctxt); - - title = context.title; -} - -int main(int argc, char *argv[]) -{ - CURL *conn = NULL; - CURLcode code; - std::string title; - - // Ensure one argument is given - - if (argc != 2) - { - fprintf(stderr, "Usage: %s <url>\n", argv[0]); - - exit(EXIT_FAILURE); - } - - curl_global_init(CURL_GLOBAL_DEFAULT); - - // Initialize CURL connection - - if (!init(conn, argv[1])) - { - fprintf(stderr, "Connection initializion failed\n"); - - exit(EXIT_FAILURE); - } - - // Retrieve content for the URL - - code = curl_easy_perform(conn); - curl_easy_cleanup(conn); - - if (code != CURLE_OK) - { - fprintf(stderr, "Failed to get '%s' [%s]\n", argv[1], errorBuffer); - - exit(EXIT_FAILURE); - } - - // Parse the (assumed) HTML code - - parseHtml(buffer, title); - - // Display the extracted title - - printf("Title: %s\n", title.c_str()); - - return EXIT_SUCCESS; -} |