mirror of
https://github.com/rkd77/elinks.git
synced 2024-12-04 14:46:47 -05:00
document/dom: Split RSS renderer to rss.*
This commit is contained in:
Petr Baudis
Petr Baudis
parent
144bd77240
commit
556ae45b00
@ -1,6 +1,6 @@
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top_builddir=../../..
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include $(top_builddir)/Makefile.config
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OBJS = renderer.o util.o
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OBJS = renderer.o util.o rss.o
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include $(top_srcdir)/Makefile.lib
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@ -20,6 +20,7 @@
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#include "document/document.h"
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#include "document/dom/renderer.h"
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#include "document/dom/util.h"
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#include "document/dom/rss.h"
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#include "document/renderer.h"
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#include "dom/configuration.h"
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#include "dom/scanner.h"
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@ -477,236 +478,6 @@ static struct dom_stack_context_info dom_source_renderer_context_info = {
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};
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/* DOM RSS Renderer */
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#define RSS_CONFIG_FLAGS \
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(DOM_CONFIG_NORMALIZE_WHITESPACE | DOM_CONFIG_NORMALIZE_CHARACTERS)
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enum dom_code
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dom_rss_push_element(struct dom_stack *stack, struct dom_node *node, void *data)
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{
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struct dom_renderer *renderer = stack->current->data;
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assert(node && renderer && renderer->document);
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switch (node->data.element.type) {
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case RSS_ELEMENT_CHANNEL:
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/* The stack should have: #document * channel */
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if (stack->depth != 3)
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break;
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if (!renderer->channel) {
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renderer->channel = node;
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}
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break;
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case RSS_ELEMENT_ITEM:
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/* The stack should have: #document * channel item */
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#if 0
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/* Don't be so strict ... */
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if (stack->depth != 4)
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break;
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#endif
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/* ... but be exclusive. */
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if (renderer->item)
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break;
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add_to_dom_node_list(&renderer->items, node, -1);
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renderer->item = node;
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break;
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case RSS_ELEMENT_LINK:
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case RSS_ELEMENT_DESCRIPTION:
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case RSS_ELEMENT_TITLE:
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case RSS_ELEMENT_AUTHOR:
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case RSS_ELEMENT_PUBDATE:
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if (!node->parent || renderer->node != node->parent)
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break;
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renderer->node = node;
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}
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return DOM_CODE_OK;
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}
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enum dom_code
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dom_rss_pop_element(struct dom_stack *stack, struct dom_node *node, void *data)
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{
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struct dom_renderer *renderer = stack->current->data;
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struct dom_node_list **list;
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assert(node && renderer && renderer->document);
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switch (node->data.element.type) {
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case RSS_ELEMENT_ITEM:
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if (is_dom_string_set(&renderer->text))
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done_dom_string(&renderer->text);
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renderer->item = NULL;
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break;
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case RSS_ELEMENT_LINK:
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case RSS_ELEMENT_DESCRIPTION:
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case RSS_ELEMENT_TITLE:
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case RSS_ELEMENT_AUTHOR:
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case RSS_ELEMENT_PUBDATE:
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if (!is_dom_string_set(&renderer->text)
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|| !node->parent
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|| renderer->item != node->parent
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|| renderer->node != node)
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break;
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/* Replace any child nodes with the normalized text node. */
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list = get_dom_node_list(node->parent, node);
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done_dom_node_list(*list);
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if (is_dom_string_set(&renderer->text)) {
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if (!add_dom_node(node, DOM_NODE_TEXT, &renderer->text))
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done_dom_string(&renderer->text);
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}
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renderer->node = NULL;
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break;
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default:
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break;
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}
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return DOM_CODE_OK;
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}
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static struct dom_string *
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get_rss_text(struct dom_node *node, enum rss_element_type type)
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{
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node = get_dom_node_child(node, DOM_NODE_ELEMENT, type);
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if (!node) return NULL;
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node = get_dom_node_child(node, DOM_NODE_TEXT, 0);
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return node ? &node->string: NULL;
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}
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static void
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render_rss_item(struct dom_renderer *renderer, struct dom_node *item)
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{
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struct dom_string *title = get_rss_text(item, RSS_ELEMENT_TITLE);
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struct dom_string *link = get_rss_text(item, RSS_ELEMENT_LINK);
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struct dom_string *author = get_rss_text(item, RSS_ELEMENT_AUTHOR);
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struct dom_string *date = get_rss_text(item, RSS_ELEMENT_PUBDATE);
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if (title && is_dom_string_set(title)) {
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if (item == renderer->channel) {
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unsigned char *str;
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str = convert_string(renderer->convert_table,
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title->string, title->length,
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renderer->document->options.cp,
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CSM_DEFAULT, NULL, NULL, NULL);
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if (str)
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renderer->document->title = str;
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}
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render_dom_text(renderer, &renderer->styles[DOM_NODE_ELEMENT],
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title->string, title->length);
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}
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if (link && is_dom_string_set(link)) {
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X(renderer)++;
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add_dom_link(renderer, "[link]", 6, link->string, link->length);
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}
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/* New line, and indent */
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Y(renderer)++;
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X(renderer) = 0;
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if (author && is_dom_string_set(author)) {
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render_dom_text(renderer, &renderer->styles[DOM_NODE_COMMENT],
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author->string, author->length);
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}
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if (date && is_dom_string_set(date)) {
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if (author && is_dom_string_set(author)) {
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render_dom_text(renderer, &renderer->styles[DOM_NODE_COMMENT],
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" - ", 3);
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}
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render_dom_text(renderer, &renderer->styles[DOM_NODE_COMMENT],
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date->string, date->length);
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}
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if ((author && is_dom_string_set(author))
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|| (date && is_dom_string_set(date))) {
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/* New line, and indent */
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Y(renderer)++;
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X(renderer) = 0;
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}
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}
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enum dom_code
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dom_rss_pop_document(struct dom_stack *stack, struct dom_node *root, void *data)
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{
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struct dom_renderer *renderer = stack->current->data;
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if (!renderer->channel)
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return DOM_CODE_OK;
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render_rss_item(renderer, renderer->channel);
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if (renderer->items) {
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struct dom_node *node;
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int index;
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foreach_dom_node (renderer->items, node, index) {
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Y(renderer)++;
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X(renderer) = 0;
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render_rss_item(renderer, node);
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}
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}
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if (is_dom_string_set(&renderer->text))
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done_dom_string(&renderer->text);
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mem_free_if(renderer->items);
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done_dom_node(root);
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return DOM_CODE_OK;
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}
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static struct dom_stack_context_info dom_rss_renderer_context_info = {
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/* Object size: */ 0,
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/* Push: */
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{
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/* */ NULL,
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/* DOM_NODE_ELEMENT */ dom_rss_push_element,
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/* DOM_NODE_ATTRIBUTE */ NULL,
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/* DOM_NODE_TEXT */ NULL,
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/* DOM_NODE_CDATA_SECTION */ NULL,
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/* DOM_NODE_ENTITY_REFERENCE */ NULL,
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/* DOM_NODE_ENTITY */ NULL,
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/* DOM_NODE_PROC_INSTRUCTION */ NULL,
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/* DOM_NODE_COMMENT */ NULL,
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/* DOM_NODE_DOCUMENT */ NULL,
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/* DOM_NODE_DOCUMENT_TYPE */ NULL,
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/* DOM_NODE_DOCUMENT_FRAGMENT */ NULL,
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/* DOM_NODE_NOTATION */ NULL,
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},
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/* Pop: */
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{
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/* */ NULL,
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/* DOM_NODE_ELEMENT */ dom_rss_pop_element,
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/* DOM_NODE_ATTRIBUTE */ NULL,
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/* DOM_NODE_TEXT */ NULL,
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/* DOM_NODE_CDATA_SECTION */ NULL,
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/* DOM_NODE_ENTITY_REFERENCE */ NULL,
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/* DOM_NODE_ENTITY */ NULL,
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/* DOM_NODE_PROC_INSTRUCTION */ NULL,
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/* DOM_NODE_COMMENT */ NULL,
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/* DOM_NODE_DOCUMENT */ dom_rss_pop_document,
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/* DOM_NODE_DOCUMENT_TYPE */ NULL,
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/* DOM_NODE_DOCUMENT_FRAGMENT */ NULL,
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/* DOM_NODE_NOTATION */ NULL,
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}
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};
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static void
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get_doctype(struct dom_renderer *renderer, struct cache_entry *cached)
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{
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251
src/document/dom/rss.c
Normal file
251
src/document/dom/rss.c
Normal file
@ -0,0 +1,251 @@
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/* DOM-based RSS renderer */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h> /* FreeBSD needs this before regex.h */
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#ifdef HAVE_REGEX_H
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#include <regex.h>
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#endif
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#include <string.h>
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#include "elinks.h"
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#include "document/document.h"
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#include "document/dom/util.h"
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#include "document/dom/rss.h"
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#include "dom/sgml/rss/rss.h"
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#include "dom/node.h"
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#include "dom/stack.h"
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#include "intl/charsets.h"
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#include "util/error.h"
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#include "util/memory.h"
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/* DOM RSS Renderer */
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enum dom_code
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dom_rss_push_element(struct dom_stack *stack, struct dom_node *node, void *data)
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{
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struct dom_renderer *renderer = stack->current->data;
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assert(node && renderer && renderer->document);
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switch (node->data.element.type) {
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case RSS_ELEMENT_CHANNEL:
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/* The stack should have: #document * channel */
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if (stack->depth != 3)
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break;
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if (!renderer->channel) {
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renderer->channel = node;
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}
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break;
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case RSS_ELEMENT_ITEM:
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/* The stack should have: #document * channel item */
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#if 0
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/* Don't be so strict ... */
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if (stack->depth != 4)
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break;
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#endif
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/* ... but be exclusive. */
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if (renderer->item)
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break;
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add_to_dom_node_list(&renderer->items, node, -1);
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renderer->item = node;
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break;
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case RSS_ELEMENT_LINK:
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case RSS_ELEMENT_DESCRIPTION:
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case RSS_ELEMENT_TITLE:
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case RSS_ELEMENT_AUTHOR:
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case RSS_ELEMENT_PUBDATE:
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if (!node->parent || renderer->node != node->parent)
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break;
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renderer->node = node;
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}
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return DOM_CODE_OK;
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}
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enum dom_code
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dom_rss_pop_element(struct dom_stack *stack, struct dom_node *node, void *data)
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{
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struct dom_renderer *renderer = stack->current->data;
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struct dom_node_list **list;
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assert(node && renderer && renderer->document);
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switch (node->data.element.type) {
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case RSS_ELEMENT_ITEM:
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if (is_dom_string_set(&renderer->text))
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done_dom_string(&renderer->text);
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renderer->item = NULL;
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break;
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case RSS_ELEMENT_LINK:
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case RSS_ELEMENT_DESCRIPTION:
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case RSS_ELEMENT_TITLE:
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case RSS_ELEMENT_AUTHOR:
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case RSS_ELEMENT_PUBDATE:
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if (!is_dom_string_set(&renderer->text)
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|| !node->parent
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|| renderer->item != node->parent
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|| renderer->node != node)
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break;
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/* Replace any child nodes with the normalized text node. */
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list = get_dom_node_list(node->parent, node);
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done_dom_node_list(*list);
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if (is_dom_string_set(&renderer->text)) {
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if (!add_dom_node(node, DOM_NODE_TEXT, &renderer->text))
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done_dom_string(&renderer->text);
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}
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renderer->node = NULL;
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break;
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default:
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break;
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}
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return DOM_CODE_OK;
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}
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static struct dom_string *
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get_rss_text(struct dom_node *node, enum rss_element_type type)
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{
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node = get_dom_node_child(node, DOM_NODE_ELEMENT, type);
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if (!node) return NULL;
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node = get_dom_node_child(node, DOM_NODE_TEXT, 0);
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return node ? &node->string: NULL;
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}
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static void
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render_rss_item(struct dom_renderer *renderer, struct dom_node *item)
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{
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struct dom_string *title = get_rss_text(item, RSS_ELEMENT_TITLE);
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struct dom_string *link = get_rss_text(item, RSS_ELEMENT_LINK);
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struct dom_string *author = get_rss_text(item, RSS_ELEMENT_AUTHOR);
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struct dom_string *date = get_rss_text(item, RSS_ELEMENT_PUBDATE);
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if (title && is_dom_string_set(title)) {
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if (item == renderer->channel) {
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unsigned char *str;
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str = convert_string(renderer->convert_table,
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title->string, title->length,
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renderer->document->options.cp,
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CSM_DEFAULT, NULL, NULL, NULL);
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if (str)
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renderer->document->title = str;
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}
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render_dom_text(renderer, &renderer->styles[DOM_NODE_ELEMENT],
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title->string, title->length);
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}
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if (link && is_dom_string_set(link)) {
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X(renderer)++;
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add_dom_link(renderer, "[link]", 6, link->string, link->length);
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}
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/* New line, and indent */
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Y(renderer)++;
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X(renderer) = 0;
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if (author && is_dom_string_set(author)) {
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render_dom_text(renderer, &renderer->styles[DOM_NODE_COMMENT],
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author->string, author->length);
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}
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if (date && is_dom_string_set(date)) {
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if (author && is_dom_string_set(author)) {
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render_dom_text(renderer, &renderer->styles[DOM_NODE_COMMENT],
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" - ", 3);
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}
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render_dom_text(renderer, &renderer->styles[DOM_NODE_COMMENT],
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date->string, date->length);
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}
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if ((author && is_dom_string_set(author))
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|| (date && is_dom_string_set(date))) {
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/* New line, and indent */
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Y(renderer)++;
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X(renderer) = 0;
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}
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}
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enum dom_code
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dom_rss_pop_document(struct dom_stack *stack, struct dom_node *root, void *data)
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{
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struct dom_renderer *renderer = stack->current->data;
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if (!renderer->channel)
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return DOM_CODE_OK;
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render_rss_item(renderer, renderer->channel);
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if (renderer->items) {
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struct dom_node *node;
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int index;
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foreach_dom_node (renderer->items, node, index) {
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Y(renderer)++;
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X(renderer) = 0;
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render_rss_item(renderer, node);
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}
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}
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if (is_dom_string_set(&renderer->text))
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done_dom_string(&renderer->text);
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mem_free_if(renderer->items);
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done_dom_node(root);
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return DOM_CODE_OK;
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}
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struct dom_stack_context_info dom_rss_renderer_context_info = {
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/* Object size: */ 0,
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/* Push: */
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{
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/* */ NULL,
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/* DOM_NODE_ELEMENT */ dom_rss_push_element,
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/* DOM_NODE_ATTRIBUTE */ NULL,
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/* DOM_NODE_TEXT */ NULL,
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/* DOM_NODE_CDATA_SECTION */ NULL,
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/* DOM_NODE_ENTITY_REFERENCE */ NULL,
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/* DOM_NODE_ENTITY */ NULL,
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/* DOM_NODE_PROC_INSTRUCTION */ NULL,
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/* DOM_NODE_COMMENT */ NULL,
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/* DOM_NODE_DOCUMENT */ NULL,
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/* DOM_NODE_DOCUMENT_TYPE */ NULL,
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/* DOM_NODE_DOCUMENT_FRAGMENT */ NULL,
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/* DOM_NODE_NOTATION */ NULL,
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},
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/* Pop: */
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{
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/* */ NULL,
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/* DOM_NODE_ELEMENT */ dom_rss_pop_element,
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/* DOM_NODE_ATTRIBUTE */ NULL,
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/* DOM_NODE_TEXT */ NULL,
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/* DOM_NODE_CDATA_SECTION */ NULL,
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/* DOM_NODE_ENTITY_REFERENCE */ NULL,
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/* DOM_NODE_ENTITY */ NULL,
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/* DOM_NODE_PROC_INSTRUCTION */ NULL,
|
||||
/* DOM_NODE_COMMENT */ NULL,
|
||||
/* DOM_NODE_DOCUMENT */ dom_rss_pop_document,
|
||||
/* DOM_NODE_DOCUMENT_TYPE */ NULL,
|
||||
/* DOM_NODE_DOCUMENT_FRAGMENT */ NULL,
|
||||
/* DOM_NODE_NOTATION */ NULL,
|
||||
}
|
||||
};
|
||||
13
src/document/dom/rss.h
Normal file
13
src/document/dom/rss.h
Normal file
@ -0,0 +1,13 @@
|
||||
|
||||
#ifndef EL__DOCUMENT_DOM_RSS_H
|
||||
#define EL__DOCUMENT_DOM_RSS_H
|
||||
|
||||
#include "dom/stack.h"
|
||||
|
||||
|
||||
#define RSS_CONFIG_FLAGS \
|
||||
(DOM_CONFIG_NORMALIZE_WHITESPACE | DOM_CONFIG_NORMALIZE_CHARACTERS)
|
||||
|
||||
extern struct dom_stack_context_info dom_rss_renderer_context_info;
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user