mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-23 04:26:50 +03:00
[project @ 2002-08-11 23:00:24 by bursa]
[monkeyson & bursa] Support for links. svn path=/import/netsurf/; revision=28
This commit is contained in:
James Bursa
parent
94d4798ca6
commit
72a56e8792
76
render/box.c
76
render/box.c
@ -1,5 +1,5 @@
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/**
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* $Id: box.c,v 1.9 2002/06/28 20:14:04 bursa Exp $
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* $Id: box.c,v 1.10 2002/08/11 23:00:24 bursa Exp $
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*/
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#include <assert.h>
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@ -18,7 +18,8 @@
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*/
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void box_add_child(struct box * parent, struct box * child);
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struct box * box_create(xmlNode * node, box_type type, struct css_style * style);
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struct box * box_create(xmlNode * node, box_type type, struct css_style * style,
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const char *href);
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struct css_style * box_get_style(struct css_stylesheet * stylesheet, struct css_style * parent_style,
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xmlNode * n, struct css_selector * selector, unsigned int depth);
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@ -42,12 +43,15 @@ void box_add_child(struct box * parent, struct box * child)
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* create a box tree node
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*/
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struct box * box_create(xmlNode * node, box_type type, struct css_style * style)
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struct box * box_create(xmlNode * node, box_type type, struct css_style * style,
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const char *href)
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{
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struct box * box = xcalloc(1, sizeof(struct box));
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box->node = node;
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box->type = type;
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box->style = style;
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box->text = 0;
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box->href = href;
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return box;
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}
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@ -69,7 +73,8 @@ struct box * box_create(xmlNode * node, box_type type, struct css_style * style)
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struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css_stylesheet * stylesheet,
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struct css_selector ** selector, unsigned int depth,
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struct box * parent, struct box * inline_container)
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struct box * parent, struct box * inline_container,
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const char *href)
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{
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struct box * box;
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struct box * inline_container_c;
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@ -82,11 +87,20 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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*selector = xrealloc(*selector, (depth + 1) * sizeof(struct css_selector));
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(*selector)[depth].element = (const char *) n->name;
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(*selector)[depth].class = (*selector)[depth].id = 0;
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "class")))
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "class"))) {
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(*selector)[depth].class = s;
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free(s);
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}
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style = box_get_style(stylesheet, parent_style, n, *selector, depth + 1);
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if (style->display == CSS_DISPLAY_NONE)
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return inline_container;
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if (strcmp((const char *) n->name, "a") == 0) {
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "href"))) {
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href = strdup(s);
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free(s);
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}
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}
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}
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if (n->type == XML_TEXT_NODE ||
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@ -102,7 +116,7 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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style2 = xcalloc(1, sizeof(struct css_style));
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memcpy(style2, parent_style, sizeof(struct css_style));
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css_cascade(style2, &css_blank_style);
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box = box_create(0, BOX_TABLE_ROW, style2);
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box = box_create(0, BOX_TABLE_ROW, style2, href);
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box_add_child(parent, box);
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parent = box;
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/* fall through */
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@ -111,7 +125,7 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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style2 = xcalloc(1, sizeof(struct css_style));
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memcpy(style2, parent_style, sizeof(struct css_style));
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css_cascade(style2, &css_blank_style);
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box = box_create(0, BOX_TABLE_CELL, style2);
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box = box_create(0, BOX_TABLE_CELL, style2, href);
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box->colspan = 1;
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box_add_child(parent, box);
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parent = box;
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@ -127,12 +141,12 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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box_add_child(parent, inline_container);
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}
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if (n->type == XML_TEXT_NODE) {
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box = box_create(n, BOX_INLINE, 0);
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box = box_create(n, BOX_INLINE, parent_style, href);
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box->text = squash_whitespace((char *) n->content);
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box->length = strlen(box->text);
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box_add_child(inline_container, box);
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} else {
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box = box_create(0, BOX_FLOAT_LEFT, 0);
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box = box_create(0, BOX_FLOAT_LEFT, 0, href);
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if (style->float_ == CSS_FLOAT_RIGHT) box->type = BOX_FLOAT_RIGHT;
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box_add_child(inline_container, box);
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style->float_ = CSS_FLOAT_NONE;
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@ -151,7 +165,7 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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style2 = xcalloc(1, sizeof(struct css_style));
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memcpy(style2, parent_style, sizeof(struct css_style));
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css_cascade(style2, &css_blank_style);
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box = box_create(0, BOX_TABLE_ROW, style2);
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box = box_create(0, BOX_TABLE_ROW, style2, href);
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box_add_child(parent, box);
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parent = box;
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/* fall through */
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@ -160,7 +174,7 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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style2 = xcalloc(1, sizeof(struct css_style));
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memcpy(style2, parent_style, sizeof(struct css_style));
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css_cascade(style2, &css_blank_style);
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box = box_create(0, BOX_TABLE_CELL, style2);
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box = box_create(0, BOX_TABLE_CELL, style2, href);
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box->colspan = 1;
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box_add_child(parent, box);
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parent = box;
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@ -173,25 +187,28 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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default:
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assert(0);
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}
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box = box_create(n, BOX_BLOCK, style);
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box = box_create(n, BOX_BLOCK, style, href);
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box_add_child(parent, box);
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inline_container_c = 0;
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for (c = n->children; c != 0; c = c->next)
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inline_container_c = xml_to_box(c, style, stylesheet,
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selector, depth + 1, box, inline_container_c);
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selector, depth + 1, box, inline_container_c,
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href);
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inline_container = 0;
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break;
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case CSS_DISPLAY_INLINE: /* inline elements get no box, but their children do */
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for (c = n->children; c != 0; c = c->next)
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inline_container = xml_to_box(c, style, stylesheet,
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selector, depth + 1, parent, inline_container);
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selector, depth + 1, parent, inline_container,
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href);
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break;
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case CSS_DISPLAY_TABLE:
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box = box_create(n, BOX_TABLE, style);
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box = box_create(n, BOX_TABLE, style, href);
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box_add_child(parent, box);
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for (c = n->children; c != 0; c = c->next)
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xml_to_box(c, style, stylesheet,
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selector, depth + 1, box, 0);
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selector, depth + 1, box, 0,
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href);
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inline_container = 0;
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break;
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case CSS_DISPLAY_TABLE_ROW:
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@ -200,21 +217,22 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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style2 = xcalloc(1, sizeof(struct css_style));
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memcpy(style2, parent_style, sizeof(struct css_style));
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css_cascade(style2, &css_blank_style);
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box = box_create(0, BOX_TABLE, style2);
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box = box_create(0, BOX_TABLE, style2, href);
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box_add_child(parent, box);
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parent = box;
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}
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assert(parent->type == BOX_TABLE);
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box = box_create(n, BOX_TABLE_ROW, style);
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box = box_create(n, BOX_TABLE_ROW, style, href);
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box_add_child(parent, box);
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for (c = n->children; c != 0; c = c->next)
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xml_to_box(c, style, stylesheet,
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selector, depth + 1, box, 0);
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selector, depth + 1, box, 0,
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href);
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inline_container = 0;
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break;
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case CSS_DISPLAY_TABLE_CELL:
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assert(parent->type == BOX_TABLE_ROW);
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box = box_create(n, BOX_TABLE_CELL, style);
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box = box_create(n, BOX_TABLE_CELL, style, href);
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "colspan"))) {
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if ((box->colspan = strtol(s, 0, 10)) == 0)
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box->colspan = 1;
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@ -224,7 +242,8 @@ struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css
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inline_container_c = 0;
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for (c = n->children; c != 0; c = c->next)
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inline_container_c = xml_to_box(c, style, stylesheet,
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selector, depth + 1, box, inline_container_c);
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selector, depth + 1, box, inline_container_c,
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href);
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inline_container = 0;
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break;
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default:
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@ -259,6 +278,7 @@ struct css_style * box_get_style(struct css_stylesheet * stylesheet, struct css_
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else if (strcmp(s, "center") == 0) style->text_align = CSS_TEXT_ALIGN_CENTER;
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else if (strcmp(s, "right") == 0) style->text_align = CSS_TEXT_ALIGN_RIGHT;
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}
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free(s);
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}
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "clear"))) {
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@ -268,14 +288,16 @@ struct css_style * box_get_style(struct css_stylesheet * stylesheet, struct css_
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}
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "width"))) {
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if (strrchr(s, '%'))
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style->width.width = CSS_WIDTH_PERCENT,
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if (strrchr(s, '%')) {
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style->width.width = CSS_WIDTH_PERCENT;
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style->width.value.percent = atof(s);
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else
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style->width.width = CSS_WIDTH_LENGTH,
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style->width.value.length.unit = CSS_UNIT_PX,
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} else {
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style->width.width = CSS_WIDTH_LENGTH;
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style->width.value.length.unit = CSS_UNIT_PX;
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style->width.value.length.value = atof(s);
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}
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free(s);
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}
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if ((s = (char *) xmlGetProp(n, (xmlChar *) "style"))) {
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struct css_style * astyle = xcalloc(1, sizeof(struct css_style));
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@ -321,6 +343,8 @@ void box_dump(struct box * box, unsigned int depth)
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fprintf(stderr, "<%s> ", box->node->name);
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if (box->style)
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css_dump_style(box->style);
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if (box->href != 0)
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fprintf(stderr, " -> '%s'", box->href);
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fprintf(stderr, "\n");
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for (c = box->children; c != 0; c = c->next)
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13
render/box.h
13
render/box.h
@ -1,7 +1,13 @@
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/**
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* $Id: box.h,v 1.5 2002/06/28 20:14:04 bursa Exp $
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* $Id: box.h,v 1.6 2002/08/11 23:01:02 bursa Exp $
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*/
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#ifndef _NETSURF_RENDER_BOX_H_
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#define _NETSURF_RENDER_BOX_H_
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#include "libxml/HTMLparser.h"
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#include "netsurf/render/css.h"
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/**
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* structures
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*/
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@ -18,6 +24,7 @@ struct box {
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struct css_style * style;
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unsigned long x, y, width, height;
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const char * text;
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const char * href;
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unsigned int length;
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unsigned int colspan;
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struct box * next;
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@ -34,6 +41,8 @@ struct box {
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struct box * xml_to_box(xmlNode * n, struct css_style * parent_style, struct css_stylesheet * stylesheet,
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struct css_selector ** selector, unsigned int depth,
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struct box * parent, struct box * inline_container);
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struct box * parent, struct box * inline_container,
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const char *href);
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void box_dump(struct box * box, unsigned int depth);
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#endif
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