[project @ 2003-04-05 21:38:06 by bursa]

External stylesheets.

svn path=/import/netsurf/; revision=115
This commit is contained in:
James Bursa 2003-04-05 21:38:06 +00:00
parent 75768e6700
commit 2253e38be8
11 changed files with 324 additions and 173 deletions

View File

@ -1,5 +1,5 @@
/**
* $Id: content.c,v 1.4 2003/04/04 15:19:31 bursa Exp $
* $Id: content.c,v 1.5 2003/04/05 21:38:06 bursa Exp $
*/
#include <assert.h>
@ -41,7 +41,7 @@ static const struct handler_entry handler_map[] = {
{textplain_create, textplain_process_data, textplain_convert,
textplain_revive, textplain_reformat, textplain_destroy},
{jpeg_create, jpeg_process_data, jpeg_convert, jpeg_revive, jpeg_reformat, jpeg_destroy},
{css_create, css_process_data, css_convert, css_revive, css_destroy},
{css_create, css_process_data, css_convert, css_revive, css_reformat, css_destroy},
/* {png_create, png_process_data, png_convert, png_revive, png_destroy},*/
};

View File

@ -1,5 +1,5 @@
/**
* $Id: content.h,v 1.3 2003/04/04 15:19:31 bursa Exp $
* $Id: content.h,v 1.4 2003/04/05 21:38:06 bursa Exp $
*/
#ifndef _NETSURF_DESKTOP_CONTENT_H_
@ -54,6 +54,9 @@ struct content
xmlDoc* document;
xmlNode* markup;
struct box* layout;
unsigned int stylesheet_count;
char **stylesheet_url;
struct content **stylesheet_content;
struct css_stylesheet* stylesheet;
struct css_style* style;
struct {

170
css/css.c
View File

@ -1,5 +1,5 @@
/**
* $Id: css.c,v 1.3 2003/04/05 16:24:43 bursa Exp $
* $Id: css.c,v 1.4 2003/04/05 21:38:06 bursa Exp $
*/
#include <assert.h>
@ -7,6 +7,7 @@
#include <string.h>
#include <strings.h>
#define CSS_INTERNALS
#define NDEBUG
#include "netsurf/content/content.h"
#include "netsurf/css/css.h"
#include "netsurf/css/parser.h"
@ -173,17 +174,24 @@ void css_get_style(struct css_stylesheet * stylesheet, struct css_selector * sel
unsigned int selectors, struct css_style * style)
{
struct node *r, *n, *m;
unsigned int hash, i;
unsigned int hash, i, done_empty = 0;
LOG(("stylesheet %p, selectors %u", stylesheet, selectors));
hash = css_hash(selector[selectors - 1].element);
for (r = stylesheet->rule[hash]; r != 0; r = r->next) {
for (r = stylesheet->rule[hash]; ; r = r->next) {
if (r == 0 && !done_empty) {
r = stylesheet->rule[0];
done_empty = 1;
}
if (r == 0)
return;
i = selectors - 1;
n = r;
/* compare element */
if (strcasecmp(selector[i].element, n->data) != 0)
goto not_matched;
if (n->data != 0)
if (strcasecmp(selector[i].element, n->data) != 0)
goto not_matched;
LOG(("top element '%s' matched", selector[i].element));
while (1) {
/* class and id */
@ -194,6 +202,7 @@ void css_get_style(struct css_stylesheet * stylesheet, struct css_selector * sel
goto not_matched;
} else if (m->type == NODE_CLASS) {
/* TODO: check if case sensitive */
LOG(("comparing class '%s' against '%s'", selector[i].class, m->data));
if (strcmp(selector[i].class, m->data) != 0)
goto not_matched;
} else {
@ -208,6 +217,8 @@ void css_get_style(struct css_stylesheet * stylesheet, struct css_selector * sel
/* search for ancestor */
assert(n->right != 0);
n = n->right;
if (n->data == 0)
goto not_matched; /* TODO: handle this case */
LOG(("searching for ancestor '%s'", n->data));
while (i != 0 && strcasecmp(selector[i - 1].element, n->data) != 0)
i--;
@ -224,7 +235,7 @@ void css_get_style(struct css_stylesheet * stylesheet, struct css_selector * sel
matched:
/* TODO: sort by specificity */
LOG(("matched rule %p", r));
css_cascade(style, r->style);
css_merge(style, r->style);
not_matched:
@ -268,81 +279,84 @@ void css_parse_property_list(struct css_style * style, char * str)
* dump a style
*/
#define DUMP_LENGTH(pre, len, post) LOG((pre "%g%s" post, (len)->value, css_unit_name[(len)->unit]));
static void dump_length(const struct css_length * const length)
{
fprintf(stderr, "%g%s", length->value,
css_unit_name[length->unit]);
}
void css_dump_style(const struct css_style * const style)
{
LOG(("{ "));
LOG(("background-color: #%lx;", style->background_color));
LOG(("clear: %s;", css_clear_name[style->clear]));
LOG(("color: #%lx;", style->color));
LOG(("display: %s;", css_display_name[style->display]));
LOG(("float: %s;", css_float_name[style->float_]));
fprintf(stderr, "{ ");
fprintf(stderr, "background-color: #%lx; ", style->background_color);
fprintf(stderr, "clear: %s; ", css_clear_name[style->clear]);
fprintf(stderr, "color: #%lx; ", style->color);
fprintf(stderr, "display: %s; ", css_display_name[style->display]);
fprintf(stderr, "float: %s; ", css_float_name[style->float_]);
fprintf(stderr, "font-size: ");
switch (style->font_size.size) {
case CSS_FONT_SIZE_ABSOLUTE:
LOG(("font-size: [%g];", style->font_size.value.absolute)); break;
case CSS_FONT_SIZE_LENGTH:
DUMP_LENGTH("font-size: ", &style->font_size.value.length, ";"); break;
case CSS_FONT_SIZE_PERCENT:
LOG(("font-size: %g%%;", style->font_size.value.percent)); break;
case CSS_FONT_SIZE_INHERIT: LOG(("font-size: inherit;")); break;
default: LOG(("font-size: UNKNOWN;")); break;
case CSS_FONT_SIZE_ABSOLUTE: fprintf(stderr, "[%g]", style->font_size.value.absolute); break;
case CSS_FONT_SIZE_LENGTH: dump_length(&style->font_size.value.length); break;
case CSS_FONT_SIZE_PERCENT: fprintf(stderr, "%g%%", style->font_size.value.percent); break;
case CSS_FONT_SIZE_INHERIT: fprintf(stderr, "inherit"); break;
default: fprintf(stderr, "UNKNOWN"); break;
}
fprintf(stderr, "; ");
fprintf(stderr, "height: ");
switch (style->height.height) {
case CSS_HEIGHT_AUTO: LOG(("height: auto;")); break;
case CSS_HEIGHT_LENGTH: DUMP_LENGTH("height: ", &style->height.length, ";"); break;
default: LOG(("height: UNKNOWN;")); break;
case CSS_HEIGHT_AUTO: fprintf(stderr, "auto"); break;
case CSS_HEIGHT_LENGTH: dump_length(&style->height.length); break;
default: fprintf(stderr, "UNKNOWN"); break;
}
fprintf(stderr, "; ");
fprintf(stderr, "line-height: ");
switch (style->line_height.size) {
case CSS_LINE_HEIGHT_ABSOLUTE:
LOG(("line-height: [%g];", style->line_height.value.absolute)); break;
case CSS_LINE_HEIGHT_LENGTH:
DUMP_LENGTH("line-height: ", &style->line_height.value.length, ";"); break;
case CSS_LINE_HEIGHT_PERCENT:
LOG(("line-height: %g%%;", style->line_height.value.percent)); break;
case CSS_LINE_HEIGHT_INHERIT: LOG(("line-height: inherit;")); break;
default: LOG(("line-height: UNKNOWN;")); break;
case CSS_LINE_HEIGHT_ABSOLUTE: fprintf(stderr, "[%g]", style->line_height.value.absolute); break;
case CSS_LINE_HEIGHT_LENGTH: dump_length(&style->line_height.value.length); break;
case CSS_LINE_HEIGHT_PERCENT: fprintf(stderr, "%g%%", style->line_height.value.percent); break;
case CSS_LINE_HEIGHT_INHERIT: fprintf(stderr, "inherit"); break;
default: fprintf(stderr, "UNKNOWN"); break;
}
LOG(("text-align: %s;", css_text_align_name[style->text_align]));
fprintf(stderr, "; ");
fprintf(stderr, "text-align: %s; ", css_text_align_name[style->text_align]);
fprintf(stderr, "width: ");
switch (style->width.width) {
case CSS_WIDTH_AUTO: LOG(("width: auto;")); break;
case CSS_WIDTH_LENGTH:
DUMP_LENGTH("width: ", &style->width.value.length, ";"); break;
case CSS_WIDTH_PERCENT: LOG(("width: %g%%;", style->width.value.percent)); break;
default: LOG(("width: UNKNOWN;")); break;
case CSS_WIDTH_AUTO: fprintf(stderr, "auto"); break;
case CSS_WIDTH_LENGTH: dump_length(&style->width.value.length); break;
case CSS_WIDTH_PERCENT: fprintf(stderr, "%g%%", style->width.value.percent); break;
default: fprintf(stderr, "UNKNOWN"); break;
}
LOG(("}"));
}
#if 0
static void dump_selector(const struct css_selector * const sel)
{
if (sel->class != 0)
LOG(("'%s'.'%s' ", sel->element, sel->class);
else if (sel->id != 0)
LOG(("'%s'#'%s' ", sel->element, sel->id);
else
LOG(("'%s' ", sel->element);
fprintf(stderr, "; ");
fprintf(stderr, "}");
}
static void dump_rule(const struct rule * rule)
{
unsigned int i;
for (i = 0; i < rule->selectors; i++)
dump_selector(&rule->selector[i]);
css_dump_style(rule->style);
}
void css_dump_stylesheet(const struct css_stylesheet * stylesheet)
{
unsigned int i;
for (i = 0; i < HASH_SIZE; i++) {
struct rule * rule;
LOG(("hash %i:\n", i);
for (rule = stylesheet->hash[i]; rule != 0; rule = rule->next)
dump_rule(rule);
struct node *r, *n, *m;
for (i = 0; i != HASH_SIZE; i++) {
fprintf(stderr, "hash %i:\n", i);
for (r = stylesheet->rule[i]; r != 0; r = r->next) {
for (n = r; n != 0; n = n->right) {
if (n->data != 0)
fprintf(stderr, "%s", n->data);
for (m = n->left; m != 0; m = m->next) {
switch (m->type) {
case NODE_ID: fprintf(stderr, "%s", m->data); break;
case NODE_CLASS: fprintf(stderr, ".%s", m->data); break;
default: fprintf(stderr, "unexpected node");
}
}
fprintf(stderr, " ");
}
css_dump_style(r->style);
fprintf(stderr, "\n");
}
}
}
#endif
/**
* cascade styles
*/
@ -412,12 +426,42 @@ void css_cascade(struct css_style * const style, const struct css_style * const
}
void css_merge(struct css_style * const style, const struct css_style * const apply)
{
if (apply->background_color != CSS_COLOR_INHERIT)
style->background_color = apply->background_color;
if (apply->clear != CSS_CLEAR_INHERIT)
style->clear = apply->clear;
if (apply->color != CSS_COLOR_INHERIT)
style->color = apply->color;
if (apply->display != CSS_DISPLAY_INHERIT)
style->display = apply->display;
if (apply->float_ != CSS_FLOAT_INHERIT)
style->float_ = apply->float_;
if (apply->height.height != CSS_HEIGHT_INHERIT)
style->height = apply->height;
if (apply->text_align != CSS_TEXT_ALIGN_INHERIT)
style->text_align = apply->text_align;
if (apply->width.width != CSS_WIDTH_INHERIT)
style->width = apply->width;
if (apply->font_weight != CSS_FONT_WEIGHT_INHERIT)
style->font_weight = apply->font_weight;
if (apply->font_style != CSS_FONT_STYLE_INHERIT)
style->font_style = apply->font_style;
if (apply->font_size.size != CSS_FONT_SIZE_INHERIT)
style->font_size = apply->font_size;
}
unsigned int css_hash(const char *s)
{
unsigned int z = 0;
if (s == 0)
return 0;
for (; *s != 0; s++)
z += *s;
return z % HASH_SIZE;
return (z % (HASH_SIZE - 1)) + 1;
}

View File

@ -1,5 +1,5 @@
/**
* $Id: css.h,v 1.3 2003/04/05 16:24:43 bursa Exp $
* $Id: css.h,v 1.4 2003/04/05 21:38:06 bursa Exp $
*/
#ifndef _NETSURF_CSS_CSS_H_
@ -136,7 +136,7 @@ struct node {
#include "netsurf/css/scanner.h"
#define HASH_SIZE 47
#define HASH_SIZE (47 + 1)
struct css_stylesheet {
yyscan_t lexer;
@ -187,6 +187,7 @@ void css_parser_(void *yyp, int yymajor, char* yyminor,
void css_get_style(struct css_stylesheet * stylesheet, struct css_selector * selector,
unsigned int selectors, struct css_style * style);
void css_cascade(struct css_style * const style, const struct css_style * const apply);
void css_merge(struct css_style * const style, const struct css_style * const apply);
void css_parse_property_list(struct css_style * style, char * str);
#endif

View File

@ -1,5 +1,5 @@
/**
* $Id: ruleset.c,v 1.3 2003/04/05 16:24:43 bursa Exp $
* $Id: ruleset.c,v 1.4 2003/04/05 21:38:06 bursa Exp $
*/
#include <assert.h>
@ -117,13 +117,15 @@ void css_add_ruleset(struct css_stylesheet *stylesheet,
break;
if (n == 0) {
/* not present: construct a new struct css_style */
LOG(("constructing new style"));
style = xcalloc(1, sizeof(*style));
memcpy(style, &css_blank_style, sizeof(*style));
memcpy(style, &css_empty_style, sizeof(*style));
sel->style = style;
sel->next = stylesheet->rule[hash];
stylesheet->rule[hash] = sel;
} else {
/* already exists: augument existing style */
LOG(("augumenting existing style"));
style = n->style;
sel->next = 0;
css_free_node(sel);
@ -154,11 +156,11 @@ void css_add_declarations(struct css_style *style, struct node *declaration)
int compare_selectors(struct node *n0, struct node *n1)
{
struct node *m0, *m1;
unsigned int count0, count1;
unsigned int count0 = 0, count1 = 0;
/* compare element name */
if (!((n0->data == 0 && n1->data == 0) ||
(n0->data != 0 && n1->data != 0 && strcasecmp(n0->data, n1->data) == 0)))
(n0->data != 0 && n1->data != 0 && strcmp(n0->data, n1->data) == 0)))
return 0;
if (n0->comb != n1->comb)

View File

@ -1,5 +1,5 @@
/**
* $Id: browser.c,v 1.30 2003/03/04 11:59:35 bursa Exp $
* $Id: browser.c,v 1.31 2003/04/05 21:38:06 bursa Exp $
*/
#include "netsurf/content/cache.h"
@ -38,7 +38,6 @@ static void gui_redraw_gadget2(struct browser_window* bw, struct box* box, struc
unsigned long x, unsigned long y);
static void browser_window_gadget_select(struct browser_window* bw, struct gui_gadget* g, int item);
static int browser_window_gadget_click(struct browser_window* bw, unsigned long click_x, unsigned long click_y);
static char *url_join(const char* new, const char* base);
void browser_window_start_throbber(struct browser_window* bw)
@ -858,56 +857,4 @@ void browser_window_redraw_boxes(struct browser_window* bw, struct box_position*
redraw_max_x, redraw_max_y);
}
char *url_join(const char* new, const char* base)
{
char* ret;
int i;
LOG(("new = %s, base = %s", new, base));
if (base == 0)
{
/* no base, so make an absolute URL */
ret = xcalloc(strlen(new) + 10, sizeof(char));
/* check if a scheme is present */
i = strspn(new, "abcdefghijklmnopqrstuvwxyz");
if (new[i] == ':')
{
strcpy(ret, new);
i += 3;
}
else
{
strcpy(ret, "http://");
strcat(ret, new);
i = 7;
}
/* make server name lower case */
for (; ret[i] != 0 && ret[i] != '/'; i++)
ret[i] = tolower(ret[i]);
xmlNormalizeURIPath(ret + i);
/* http://www.example.com -> http://www.example.com/ */
if (ret[i] == 0)
{
ret[i] = '/';
ret[i+1] = 0;
}
}
else
{
/* relative url */
ret = xmlBuildURI(new, base);
}
LOG(("ret = %s", ret));
if (ret == NULL)
{
ret = xcalloc(strlen(new) + 10, sizeof(char));
strcpy(ret, new);
}
return ret;
}

View File

@ -1,5 +1,5 @@
/**
* $Id: box.c,v 1.36 2003/04/04 15:19:31 bursa Exp $
* $Id: box.c,v 1.37 2003/04/05 21:38:06 bursa Exp $
*/
#include <assert.h>
@ -26,14 +26,15 @@ static struct box * box_create(xmlNode * node, box_type type, struct css_style *
char *href);
static char * tolat1(xmlChar * s);
static struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
struct css_stylesheet * stylesheet,
struct content ** stylesheet, unsigned int stylesheet_count,
struct css_selector ** selector, unsigned int depth,
struct box * parent, struct box * inline_container,
char *href, struct font_set *fonts,
struct gui_gadget* current_select, struct formoption* current_option,
struct gui_gadget* current_textarea, struct form* current_form,
struct page_elements* elements);
static struct css_style * box_get_style(struct css_stylesheet * stylesheet, struct css_style * parent_style,
static struct css_style * box_get_style(struct content ** stylesheet,
unsigned int stylesheet_count, struct css_style * parent_style,
xmlNode * n, struct css_selector * selector, unsigned int depth);
static void box_normalise_block(struct box *block);
static void box_normalise_table(struct box *table);
@ -144,7 +145,7 @@ char * tolat1(xmlChar * s)
*/
void xml_to_box(xmlNode * n, struct css_style * parent_style,
struct css_stylesheet * stylesheet,
struct content ** stylesheet, unsigned int stylesheet_count,
struct css_selector ** selector, unsigned int depth,
struct box * parent, struct box * inline_container,
char *href, struct font_set *fonts,
@ -153,7 +154,7 @@ void xml_to_box(xmlNode * n, struct css_style * parent_style,
struct page_elements* elements)
{
LOG(("node %p", n));
convert_xml_to_box(n, parent_style, stylesheet,
convert_xml_to_box(n, parent_style, stylesheet, stylesheet_count,
selector, depth, parent, inline_container, href, fonts, current_select, current_option,
current_textarea, current_form, elements);
LOG(("normalising"));
@ -161,7 +162,7 @@ void xml_to_box(xmlNode * n, struct css_style * parent_style,
}
struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
struct css_stylesheet * stylesheet,
struct content ** stylesheet, unsigned int stylesheet_count,
struct css_selector ** selector, unsigned int depth,
struct box * parent, struct box * inline_container,
char *href, struct font_set *fonts,
@ -188,9 +189,10 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
(*selector)[depth].class = (*selector)[depth].id = 0;
if ((s = (char *) xmlGetProp(n, (const xmlChar *) "class"))) {
(*selector)[depth].class = s;
free(s);
/*free(s);*/
}
style = box_get_style(stylesheet, parent_style, n, *selector, depth + 1);
style = box_get_style(stylesheet, stylesheet_count, parent_style, n,
*selector, depth + 1);
LOG(("display: %s", css_display_name[style->display]));
if (style->display == CSS_DISPLAY_NONE)
return inline_container;
@ -326,7 +328,8 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
box_add_child(parent, box);
inline_container_c = 0;
for (c = n->children; c != 0; c = c->next)
inline_container_c = convert_xml_to_box(c, style, stylesheet,
inline_container_c = convert_xml_to_box(c, style,
stylesheet, stylesheet_count,
selector, depth + 1, box, inline_container_c,
href, fonts, current_select, current_option,
current_textarea, current_form, elements);
@ -336,7 +339,8 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
assert(box == 0); /* special inline elements have already been
added to the inline container above */
for (c = n->children; c != 0; c = c->next)
inline_container = convert_xml_to_box(c, style, stylesheet,
inline_container = convert_xml_to_box(c, style,
stylesheet, stylesheet_count,
selector, depth + 1, parent, inline_container,
href, fonts, current_select, current_option,
current_textarea, current_form, elements);
@ -345,7 +349,7 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
box = box_create(n, BOX_TABLE, style, href);
box_add_child(parent, box);
for (c = n->children; c != 0; c = c->next)
convert_xml_to_box(c, style, stylesheet,
convert_xml_to_box(c, style, stylesheet, stylesheet_count,
selector, depth + 1, box, 0,
href, fonts, current_select, current_option,
current_textarea, current_form, elements);
@ -358,7 +362,8 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
box_add_child(parent, box);
inline_container_c = 0;
for (c = n->children; c != 0; c = c->next)
inline_container_c = convert_xml_to_box(c, style, stylesheet,
inline_container_c = convert_xml_to_box(c, style,
stylesheet, stylesheet_count,
selector, depth + 1, box, inline_container_c,
href, fonts, current_select, current_option,
current_textarea, current_form, elements);
@ -368,7 +373,7 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
box = box_create(n, BOX_TABLE_ROW, style, href);
box_add_child(parent, box);
for (c = n->children; c != 0; c = c->next)
convert_xml_to_box(c, style, stylesheet,
convert_xml_to_box(c, style, stylesheet, stylesheet_count,
selector, depth + 1, box, 0,
href, fonts, current_select, current_option,
current_textarea, current_form, elements);
@ -384,7 +389,8 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
box_add_child(parent, box);
inline_container_c = 0;
for (c = n->children; c != 0; c = c->next)
inline_container_c = convert_xml_to_box(c, style, stylesheet,
inline_container_c = convert_xml_to_box(c, style,
stylesheet, stylesheet_count,
selector, depth + 1, box, inline_container_c,
href, fonts, current_select, current_option,
current_textarea, current_form, elements);
@ -404,14 +410,25 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
* get the style for an element
*/
struct css_style * box_get_style(struct css_stylesheet * stylesheet, struct css_style * parent_style,
struct css_style * box_get_style(struct content ** stylesheet,
unsigned int stylesheet_count, struct css_style * parent_style,
xmlNode * n, struct css_selector * selector, unsigned int depth)
{
struct css_style * style = xcalloc(1, sizeof(struct css_style));
struct css_style * style_new = xcalloc(1, sizeof(struct css_style));
char * s;
unsigned int i;
memcpy(style, parent_style, sizeof(struct css_style));
css_get_style(stylesheet, selector, depth, style);
memcpy(style_new, &css_blank_style, sizeof(struct css_style));
for (i = 0; i != stylesheet_count; i++) {
if (stylesheet[i] != 0) {
assert(stylesheet[i]->type == CONTENT_CSS);
css_get_style(stylesheet[i]->data.css, selector, depth, style_new);
}
}
css_cascade(style, style_new);
free(style_new);
if ((s = (char *) xmlGetProp(n, (const xmlChar *) "align"))) {
if (strcmp((const char *) n->name, "table") == 0 ||

View File

@ -1,5 +1,5 @@
/**
* $Id: box.h,v 1.21 2003/04/04 15:19:31 bursa Exp $
* $Id: box.h,v 1.22 2003/04/05 21:38:06 bursa Exp $
*/
#ifndef _NETSURF_RENDER_BOX_H_
@ -133,7 +133,8 @@ struct page_elements
* interface
*/
void xml_to_box(xmlNode * n, struct css_style * parent_style, struct css_stylesheet * stylesheet,
void xml_to_box(xmlNode * n, struct css_style * parent_style,
struct content ** stylesheet, unsigned int stylesheet_count,
struct css_selector ** selector, unsigned int depth,
struct box * parent, struct box * inline_container,
char *href, struct font_set *fonts,

View File

@ -1,9 +1,10 @@
/**
* $Id: html.c,v 1.7 2003/04/04 15:19:31 bursa Exp $
* $Id: html.c,v 1.8 2003/04/05 21:38:06 bursa Exp $
*/
#include <assert.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "netsurf/content/fetch.h"
#include "netsurf/content/fetchcache.h"
@ -14,9 +15,16 @@
#include "netsurf/utils/log.h"
static void html_convert_callback(fetchcache_msg msg, struct content *css,
struct fetch_data {
struct content *c;
unsigned int i;
};
static void html_convert_css_callback(fetchcache_msg msg, struct content *css,
void *p, const char *error);
static void html_title(struct content *c);
static void html_find_stylesheets(struct content *c);
void html_create(struct content *c)
@ -47,6 +55,8 @@ void html_process_data(struct content *c, char *data, unsigned long size)
int html_convert(struct content *c, unsigned int width, unsigned int height)
{
struct css_selector* selector = xcalloc(1, sizeof(struct css_selector));
struct fetch_data *fetch_data;
unsigned int i;
htmlParseChunk(c->data.html.parser, "", 0, 1);
c->data.html.document = c->data.html.parser->myDoc;
@ -66,19 +76,29 @@ int html_convert(struct content *c, unsigned int width, unsigned int height)
LOG(("No markup"));
return 1;
}
if (stricmp((const char *) c->data.html.markup->name, "html")) {
if (strcmp((const char *) c->data.html.markup->name, "html")) {
LOG(("Not html"));
return 1;
}
html_title(c);
/* get stylesheets */
html_find_stylesheets(c);
c->data.html.stylesheet_content = xcalloc(c->data.html.stylesheet_count,
sizeof(*c->data.html.stylesheet_content));
c->error = 0;
c->active = 0;
fetchcache("file:///%3CNetSurf$Dir%3E/Resources/CSS", 0,
html_convert_callback, c, width, height);
c->active++;
for (i = 0; i != c->data.html.stylesheet_count; i++) {
fetch_data = xcalloc(1, sizeof(*fetch_data));
fetch_data->c = c;
fetch_data->i = i;
c->active++;
fetchcache(c->data.html.stylesheet_url[i], c->url, html_convert_css_callback,
fetch_data, width, height);
}
while (c->active != 0) {
fetch_poll();
@ -89,6 +109,8 @@ int html_convert(struct content *c, unsigned int width, unsigned int height)
/* TODO: clean up */
return 1;
}
c->data.html.stylesheet = c->data.html.stylesheet_content[0]->data.css;
LOG(("Copying base style"));
c->data.html.style = xcalloc(1, sizeof(struct css_style));
@ -102,7 +124,8 @@ int html_convert(struct content *c, unsigned int width, unsigned int height)
c->data.html.fonts = font_new_set();
LOG(("XML to box"));
xml_to_box(c->data.html.markup, c->data.html.style, c->data.html.stylesheet,
xml_to_box(c->data.html.markup, c->data.html.style,
c->data.html.stylesheet_content, c->data.html.stylesheet_count,
&selector, 0, c->data.html.layout, 0, 0, c->data.html.fonts,
0, 0, 0, 0, &c->data.html.elements);
/*box_dump(c->data.html.layout->children, 0);*/
@ -118,18 +141,24 @@ int html_convert(struct content *c, unsigned int width, unsigned int height)
}
void html_convert_callback(fetchcache_msg msg, struct content *css,
void html_convert_css_callback(fetchcache_msg msg, struct content *css,
void *p, const char *error)
{
struct content *c = p;
struct fetch_data *data = p;
struct content *c = data->c;
unsigned int i = data->i;
switch (msg) {
case FETCHCACHE_OK:
/* TODO: store struct content *css somewhere in c */
c->data.html.stylesheet = css->data.css;
free(data);
LOG(("got stylesheet '%s'", c->data.html.stylesheet_url[i]));
c->data.html.stylesheet_content[i] = css;
/*css_dump_stylesheet(css->data.css);*/
c->active--;
break;
case FETCHCACHE_BADTYPE:
case FETCHCACHE_ERROR:
free(data);
c->data.html.stylesheet_content[i] = 0;
c->active--;
c->error = 1;
break;
@ -145,30 +174,80 @@ void html_convert_callback(fetchcache_msg msg, struct content *css,
void html_title(struct content *c)
{
xmlNode *node = c->data.html.markup;
xmlNode *head = c->data.html.markup->children;
xmlNode *node;
c->title = 0;
while (node != 0) {
if (node->type == XML_ELEMENT_NODE) {
if (stricmp(node->name, "html") == 0) {
node = node->children;
continue;
}
if (stricmp(node->name, "head") == 0) {
node = node->children;
continue;
}
if (stricmp(node->name, "title") == 0) {
c->title = xmlNodeGetContent(node);
return;
}
if (strcmp(head->name, "head") != 0)
return;
for (node = head->children; node != 0; node = node->next) {
if (strcmp(node->name, "title") == 0) {
c->title = xmlNodeGetContent(node);
return;
}
node = node->next;
}
}
void html_find_stylesheets(struct content *c)
{
xmlNode *head = c->data.html.markup->children;
xmlNode *node;
char *rel, *type, *media, *href;
unsigned int count = 1;
c->data.html.stylesheet_url = xcalloc(1, sizeof(*c->data.html.stylesheet_url));
c->data.html.stylesheet_url[0] = "file:///%3CNetSurf$Dir%3E/Resources/CSS";
if (strcmp(head->name, "head") != 0)
return;
for (node = head->children; node != 0; node = node->next) {
if (strcmp(node->name, "link") == 0) {
/* rel='stylesheet' */
if (!(rel = (char *) xmlGetProp(node, (const xmlChar *) "rel")))
continue;
if (strcasecmp(rel, "stylesheet") != 0) {
free(rel);
continue;
}
free(rel);
/* type='text/css' */
if (!(type = (char *) xmlGetProp(node, (const xmlChar *) "type")))
continue;
if (strcmp(type, "text/css") != 0) {
free(type);
continue;
}
free(type);
/* media='screen' or not present */
if ((media = (char *) xmlGetProp(node, (const xmlChar *) "media"))) {
if (strcasecmp(media, "screen") != 0) {
free(media);
continue;
}
free(media);
}
/* href='...' */
if (!(href = (char *) xmlGetProp(node, (const xmlChar *) "href")))
continue;
count++;
c->data.html.stylesheet_url = xrealloc(c->data.html.stylesheet_url,
count * sizeof(*c->data.html.stylesheet_url));
c->data.html.stylesheet_url[count - 1] = url_join(href, c->url);
LOG(("linked stylesheet '%s'", c->data.html.stylesheet_url[count - 1]));
free(href);
}
}
c->data.html.stylesheet_count = count;
}
void html_revive(struct content *c, unsigned int width, unsigned int height)
{
/* TODO: reload stylesheets and images and fix any pointers to them */

View File

@ -1,11 +1,13 @@
/**
* $Id: utils.c,v 1.6 2003/02/09 12:58:15 bursa Exp $
* $Id: utils.c,v 1.7 2003/04/05 21:38:06 bursa Exp $
*/
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "libxml/uri.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/utils.h"
void die(const char * const error)
@ -96,3 +98,57 @@ char * squash_whitespace(const char * s)
return c;
}
char *url_join(const char* new, const char* base)
{
char* ret;
int i;
LOG(("new = %s, base = %s", new, base));
if (base == 0)
{
/* no base, so make an absolute URL */
ret = xcalloc(strlen(new) + 10, sizeof(char));
/* check if a scheme is present */
i = strspn(new, "abcdefghijklmnopqrstuvwxyz");
if (new[i] == ':')
{
strcpy(ret, new);
i += 3;
}
else
{
strcpy(ret, "http://");
strcat(ret, new);
i = 7;
}
/* make server name lower case */
for (; ret[i] != 0 && ret[i] != '/'; i++)
ret[i] = tolower(ret[i]);
xmlNormalizeURIPath(ret + i);
/* http://www.example.com -> http://www.example.com/ */
if (ret[i] == 0)
{
ret[i] = '/';
ret[i+1] = 0;
}
}
else
{
/* relative url */
ret = xmlBuildURI(new, base);
}
LOG(("ret = %s", ret));
if (ret == NULL)
{
ret = xcalloc(strlen(new) + 10, sizeof(char));
strcpy(ret, new);
}
return ret;
}

View File

@ -1,5 +1,5 @@
/**
* $Id: utils.h,v 1.5 2003/02/09 12:58:15 bursa Exp $
* $Id: utils.h,v 1.6 2003/04/05 21:38:06 bursa Exp $
*/
#ifndef _NETSURF_UTILS_UTILS_H_
@ -16,5 +16,6 @@ void xfree(void* p);
char * xstrdup(const char * const s);
char * load(const char * const path);
char * squash_whitespace(const char * s);
char *url_join(const char* new, const char* base);
#endif