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Shrink allocated <style> source data block to minimum.

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svn path=/trunk/netsurf/; revision=8828
This commit is contained in:
John Mark Bell 2009-07-27 18:32:55 +00:00
parent bbdb07fe16
commit 2c8a235a5d
1 changed files with 29 additions and 14 deletions
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43
render/html.c
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@ -1044,6 +1044,7 @@ bool html_process_style_element(struct content *c, unsigned int *index,
char *type, *media, *data;
union content_msg_data msg_data;
struct nscss_import *stylesheets;
struct nscss_import *sheet;
const char *params[] = { 0 };
/* type='text/css', or not present (invalid but common) */
@ -1074,47 +1075,61 @@ bool html_process_style_element(struct content *c, unsigned int *index,
c->data.html.stylesheets = stylesheets;
/* create stylesheet */
sheet = &c->data.html.stylesheets[(*index)];
/** \todo Reflect specified media */
c->data.html.stylesheets[(*index)].media = CSS_MEDIA_ALL;
c->data.html.stylesheets[(*index)].c =
content_create(c->data.html.base_url);
if (c->data.html.stylesheets[(*index)].c == NULL)
sheet->media = CSS_MEDIA_ALL;
sheet->c = content_create(c->data.html.base_url);
if (sheet->c == NULL)
goto no_memory;
if (content_set_type(c->data.html.stylesheets[(*index)].c,
CONTENT_CSS, "text/css", params, c) == false)
if (content_set_type(sheet->c,
CONTENT_CSS, "text/css", params, c) == false) {
/** \todo not necessarily caused by
* memory exhaustion */
sheet->c = NULL;
goto no_memory;
}
/* can't just use xmlNodeGetContent(style), because that won't
* give the content of comments which may be used to 'hide'
* the content */
for (child = style->children; child != 0; child = child->next) {
data = (char *) xmlNodeGetContent(child);
if (content_process_data(c->data.html.stylesheets[(*index)].c,
data, strlen(data)) == false) {
if (content_process_data(sheet->c, data, strlen(data)) ==
false) {
xmlFree(data);
/** \todo not necessarily caused by
* memory exhaustion */
sheet->c = NULL;
goto no_memory;
}
xmlFree(data);
}
/* Convert the content */
if (nscss_convert(c->data.html.stylesheets[(*index)].c, c->width,
c->height)) {
if (content_add_user(c->data.html.stylesheets[(*index)].c,
/* Convert the content -- manually, as we want the result */
if (sheet->c->source_allocated != sheet->c->source_size) {
/* Minimise source data block */
char *data = talloc_realloc(sheet->c, sheet->c->source_data,
char, sheet->c->source_size);
if (data != NULL) {
sheet->c->source_data = data;
sheet->c->source_allocated = sheet->c->source_size;
}
}
if (nscss_convert(sheet->c, c->width, c->height)) {
if (content_add_user(sheet->c,
html_convert_css_callback,
(intptr_t) c, (*index)) == false) {
/* no memory */
c->data.html.stylesheets[(*index)].c = NULL;
sheet->c = NULL;
goto no_memory;
}
} else {
/* conversion failed */
c->data.html.stylesheets[(*index)].c = NULL;
sheet->c = NULL;
}
/* Update index */