C++ (Cpp) flickcurl_build_tag_clusters示例

示例#1

文件： tags-api.c 项目： Chaduke/bah.mod

/**
 * flickcurl_tags_getClusters:
 * @fc: flickcurl context
 * @tag: The tag to fetch clusters for.
 * 
 * Gives you a list of tag clusters for the given tag.
 *
 * Implements flickr.tags.getClusters (1.5)
 *
 * "There is no pagination for this method as the number of clusters
 * for a single tag is capped at 5 and each cluster may contain
 * between 1 - 50 tags (give or take)."
 *
 * As announced 2008-07-17
 * http://tech.groups.yahoo.com/group/yws-flickr/message/4218
 * 
 * Return value: NULL on failure
 **/
flickcurl_tag_clusters*
flickcurl_tags_getClusters(flickcurl* fc, const char* tag)
{
  const char* parameters[8][2];
  int count = 0;
  xmlDocPtr doc = NULL;
  xmlXPathContextPtr xpathCtx = NULL; 
  flickcurl_tag_clusters* clusters = NULL;
  
  if(!tag)
    return NULL;

  parameters[count][0]  = "tag";
  parameters[count++][1]= tag;

  parameters[count][0]  = NULL;

  if(flickcurl_prepare(fc, "flickr.tags.getClusters", parameters, count))
    goto tidy;

  doc = flickcurl_invoke(fc);
  if(!doc)
    goto tidy;


  xpathCtx = xmlXPathNewContext(doc);
  if(!xpathCtx) {
    flickcurl_error(fc, "Failed to create XPath context for document");
    fc->failed = 1;
    goto tidy;
  }

  clusters = flickcurl_build_tag_clusters(fc, xpathCtx,
                                          (const xmlChar*)"/rsp/clusters/cluster");

  tidy:
  if(xpathCtx)
    xmlXPathFreeContext(xpathCtx);

  if(fc->failed)
    clusters = NULL;

  return clusters;
}

示例#2

文件： tags-api.c 项目： jcsogo/flickcurl

/**
 * flickcurl_tags_getClusters:
 * @fc: flickcurl context
 * @tag: The tag to fetch clusters for.
 * 
 * Gives you a list of tag clusters for the given tag.
 *
 * Implements flickr.tags.getClusters (1.5)
 *
 * "There is no pagination for this method as the number of clusters
 * for a single tag is capped at 5 and each cluster may contain
 * between 1 - 50 tags (give or take)."
 *
 * As announced 2008-07-17
 * http://tech.groups.yahoo.com/group/yws-flickr/message/4218
 * 
 * Return value: NULL on failure
 **/
flickcurl_tag_clusters*
flickcurl_tags_getClusters(flickcurl* fc, const char* tag)
{
  xmlDocPtr doc = NULL;
  xmlXPathContextPtr xpathCtx = NULL; 
  flickcurl_tag_clusters* clusters = NULL;
  
  flickcurl_init_params(fc);

  if(!tag)
    return NULL;

  flickcurl_add_param(fc, "tag", tag);

  flickcurl_end_params(fc);

  if(flickcurl_prepare(fc, "flickr.tags.getClusters"))
    goto tidy;

  doc = flickcurl_invoke(fc);
  if(!doc)
    goto tidy;


  xpathCtx = xmlXPathNewContext(doc);
  if(!xpathCtx) {
    flickcurl_error(fc, "Failed to create XPath context for document");
    fc->failed = 1;
    goto tidy;
  }

  clusters = flickcurl_build_tag_clusters(fc, xpathCtx,
                                          (const xmlChar*)"/rsp/clusters/cluster");

  tidy:
  if(xpathCtx)
    xmlXPathFreeContext(xpathCtx);

  if(fc->failed)
    clusters = NULL;

  return clusters;
}