mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-22 20:16:54 +03:00
[project @ 2004-06-06 19:39:17 by bursa]
Add and improve error handling of save_complete. Save HTML as UTF-8 to prevent encoding issues. svn path=/import/netsurf/; revision=931
This commit is contained in:
James Bursa
parent
9dde0f406f
commit
6879c02a33
@ -35,7 +35,7 @@ extern struct content *save_content;
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typedef enum { LINK_ACORN, LINK_ANT, LINK_TEXT } link_format;
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static void ro_gui_save_complete(struct content *c, char *path);
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static bool ro_gui_save_complete(struct content *c, char *path);
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static void ro_gui_save_object_native(struct content *c, char *path);
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static bool ro_gui_save_link(struct content *c, link_format format, char *path);
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@ -166,7 +166,8 @@ void ro_gui_save_datasave_ack(wimp_message *message)
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break;
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case GUI_SAVE_COMPLETE:
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ro_gui_save_complete(c, path);
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if (!ro_gui_save_complete(c, path))
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return;
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break;
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case GUI_SAVE_DRAW:
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@ -236,13 +237,17 @@ void ro_gui_save_datasave_ack(wimp_message *message)
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/**
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* Prepare an application directory and save_complete() to it.
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*
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* \param c content of type CONTENT_HTML to save
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* \param path path to save as
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* \return true on success, false on error and error reported
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*/
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#define WIDTH 64
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#define HEIGHT 64
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#define SPRITE_SIZE (16 + 44 + ((WIDTH / 2 + 3) & ~3) * HEIGHT / 2)
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void ro_gui_save_complete(struct content *c, char *path)
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bool ro_gui_save_complete(struct content *c, char *path)
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{
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char buf[256];
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FILE *fp;
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@ -258,7 +263,7 @@ void ro_gui_save_complete(struct content *c, char *path)
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LOG(("xosfile_create_dir: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return;
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return false;
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}
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/* Save !Run file */
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@ -267,7 +272,7 @@ void ro_gui_save_complete(struct content *c, char *path)
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if (!fp) {
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LOG(("fopen(): errno = %i", errno));
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warn_user("SaveError", strerror(errno));
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return;
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return false;
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}
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fprintf(fp, "Filer_Run <Obey$Dir>.index\n");
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fclose(fp);
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@ -276,7 +281,7 @@ void ro_gui_save_complete(struct content *c, char *path)
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LOG(("xosfile_set_type: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return;
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return false;
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}
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/* Create !Sprites */
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@ -288,7 +293,7 @@ void ro_gui_save_complete(struct content *c, char *path)
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area = thumbnail_initialise(34, 34, os_MODE8BPP90X90);
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if (!area) {
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warn_user("NoMemory", 0);
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return;
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return false;
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}
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sprite_header = (osspriteop_header *)(area + 1);
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strncpy(sprite_header->name, appname + 1, 12);
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@ -305,12 +310,14 @@ void ro_gui_save_complete(struct content *c, char *path)
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LOG(("xosspriteop_save_sprite_file: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return;
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return false;
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}
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save_complete(c, path);
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return save_complete(c, path);
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}
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void ro_gui_save_object_native(struct content *c, char *path)
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{
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os_error *error;
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@ -12,6 +12,7 @@
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <regex.h>
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@ -33,24 +34,24 @@ regex_t save_complete_import_re;
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/** An entry in save_complete_list. */
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struct save_complete_entry {
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char *url; /**< Fully qualified URL, as per url_join output */
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int ptr; /**< Pointer to object's location in memory */
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struct content *content;
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struct save_complete_entry *next; /**< Next entry in list */
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};
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/** List of urls seen and saved so far. */
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static struct save_complete_entry *save_complete_list;
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static struct save_complete_entry *save_complete_list = 0;
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static void save_complete_html(struct content *c, const char *path,
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static bool save_complete_html(struct content *c, const char *path,
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bool index);
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static void save_imported_sheets(struct content *c, const char *path);
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static bool save_imported_sheets(struct content *c, const char *path);
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static char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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int *osize, const char *base);
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static int rewrite_document_urls(xmlDoc *doc, const char *base);
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static int rewrite_urls(xmlNode *n, const char *base);
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static void rewrite_url(xmlNode *n, const char *attr, const char *base);
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static void save_complete_add_url(const char *url, int id);
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static int save_complete_find_url(const char *url);
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static bool rewrite_document_urls(xmlDoc *doc, const char *base);
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static bool rewrite_urls(xmlNode *n, const char *base);
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static bool rewrite_url(xmlNode *n, const char *attr, const char *base);
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static bool save_complete_list_add(struct content *content);
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static struct content * save_complete_list_find(const char *url);
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static bool save_complete_list_check(struct content *content);
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/**
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@ -58,38 +59,47 @@ static int save_complete_find_url(const char *url);
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*
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* \param c CONTENT_HTML to save
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* \param path directory to save to (must exist)
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* \return true on success, false on error and error reported
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*/
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void save_complete(struct content *c, const char *path)
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bool save_complete(struct content *c, const char *path)
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{
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save_complete_list = 0;
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bool result;
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save_complete_html(c, path, true);
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result = save_complete_html(c, path, true);
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/* free save_complete_list */
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while (save_complete_list) {
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struct save_complete_entry *next = save_complete_list->next;
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free(save_complete_list->url);
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free(save_complete_list);
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save_complete_list = next;
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}
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return result;
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}
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/**
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* Save an HTML page with all dependencies, recursing through imported pages.
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*
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* \param c CONTENT_HTML to save
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* \param path directory to save to (must exist)
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* \param index true to save as "index"
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* \return true on success, false on error and error reported
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*/
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void save_complete_html(struct content *c, const char *path, bool index)
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bool save_complete_html(struct content *c, const char *path, bool index)
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{
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char spath[256];
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unsigned int i;
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htmlParserCtxtPtr toSave;
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htmlParserCtxtPtr parser;
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os_error *error;
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if (c->type != CONTENT_HTML)
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return;
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return false;
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if (save_complete_list_check(c))
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return true;
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/* save stylesheets, ignoring the base sheet */
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for (i = 1; i != c->data.html.stylesheet_count; i++) {
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@ -99,21 +109,37 @@ void save_complete_html(struct content *c, const char *path, bool index)
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if (!css)
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continue;
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if (save_complete_list_check(css))
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continue;
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save_complete_add_url(css->url, (int) css);
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if (!save_complete_list_add(css)) {
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warn_user("NoMemory", 0);
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return false;
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}
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save_imported_sheets(css, path);
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if (!save_imported_sheets(css, path))
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return false;
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if (i == 1) continue; /* don't save <style> elements */
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if (i == 1)
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continue; /* don't save <style> elements */
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snprintf(spath, sizeof spath, "%s.%x", path,
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(unsigned int) css);
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source = rewrite_stylesheet_urls(css->source_data,
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css->source_size, &source_len, css->url);
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if (source) {
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xosfile_save_stamped(spath, 0xf79, source,
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if (!source) {
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warn_user("NoMemory", 0);
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return false;
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}
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error = xosfile_save_stamped(spath, 0xf79, source,
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source + source_len);
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free(source);
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if (error) {
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LOG(("xosfile_save_stamped: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return false;
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}
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}
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@ -124,32 +150,49 @@ void save_complete_html(struct content *c, const char *path, bool index)
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/* skip difficult content types */
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if (!obj || obj->type >= CONTENT_OTHER || !obj->source_data)
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continue;
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if (save_complete_list_check(obj))
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continue;
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save_complete_add_url(obj->url, (int) obj);
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if (!save_complete_list_add(obj)) {
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warn_user("NoMemory", 0);
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return false;
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}
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if (obj->type == CONTENT_HTML) {
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save_complete_html(obj, path, false);
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if (!save_complete_html(obj, path, false))
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return false;
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continue;
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}
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else {
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snprintf(spath, sizeof spath, "%s.%x", path,
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(unsigned int) obj);
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xosfile_save_stamped(spath,
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error = xosfile_save_stamped(spath,
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ro_content_filetype(obj),
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obj->source_data,
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obj->source_data + obj->source_size);
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if (error) {
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LOG(("xosfile_save_stamped: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return false;
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}
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}
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/* make a copy of the document tree */
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toSave = htmlCreateMemoryParserCtxt(c->source_data, c->source_size);
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htmlParseDocument(toSave);
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parser = htmlCreateMemoryParserCtxt(c->source_data, c->source_size);
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if (!parser) {
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warn_user("NoMemory", 0);
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return false;
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}
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/** \todo set parser charset */
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htmlParseDocument(parser);
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/* rewrite all urls we know about */
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if (rewrite_document_urls(toSave->myDoc, c->data.html.base_url) == 0) {
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xfree(spath);
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xmlFreeDoc(toSave->myDoc);
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htmlFreeParserCtxt(toSave);
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return;
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if (!rewrite_document_urls(parser->myDoc, c->data.html.base_url)) {
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xmlFreeDoc(parser->myDoc);
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htmlFreeParserCtxt(parser);
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warn_user("NoMemory", 0);
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return false;
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}
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/* save the html file out last of all */
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@ -157,46 +200,84 @@ void save_complete_html(struct content *c, const char *path, bool index)
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snprintf(spath, sizeof spath, "%s.index", path);
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else
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snprintf(spath, sizeof spath, "%s.%x", path, (unsigned int)c);
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htmlSaveFile(spath, toSave->myDoc);
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xosfile_set_type(spath, 0xfaf);
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xmlFreeDoc(toSave->myDoc);
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htmlFreeParserCtxt(toSave);
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errno = 0;
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if (htmlSaveFileFormat(spath, parser->myDoc, 0, 0) == -1) {
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if (errno)
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warn_user("SaveError", strerror(errno));
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else
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warn_user("SaveError", "htmlSaveFileFormat failed");
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return false;
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}
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error = xosfile_set_type(spath, 0xfaf);
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if (error) {
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LOG(("xosfile_set_type: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return false;
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}
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xmlFreeDoc(parser->myDoc);
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htmlFreeParserCtxt(parser);
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return true;
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}
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/**
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* Save all imported stylesheets
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* Save stylesheets imported by a CONTENT_CSS.
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*
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* \param c The content containing the stylesheet
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* \param path Path to save to
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* \param c a CONTENT_CSS
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* \param path path to save to
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* \return true on success, false on error and error reported
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*/
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void save_imported_sheets(struct content *c, const char *path)
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bool save_imported_sheets(struct content *c, const char *path)
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{
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char spath[256];
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unsigned int j;
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char *source;
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int source_len;
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os_error *error;
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for (j = 0; j != c->data.css.import_count; j++) {
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struct content *css = c->data.css.import_content[j];
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if (!css)
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continue;
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if (save_complete_list_check(css))
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continue;
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save_complete_add_url(css->url, (int) css);
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if (!save_complete_list_add(css)) {
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warn_user("NoMemory", 0);
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return false;
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}
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save_imported_sheets(css, path);
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if (!save_imported_sheets(css, path))
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return false;
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snprintf(spath, sizeof spath, "%s.%x", path,
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(unsigned int) css);
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source = rewrite_stylesheet_urls(css->source_data,
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css->source_size, &source_len, css->url);
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if (source) {
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xosfile_save_stamped(spath, 0xf79, source,
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if (!source) {
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warn_user("NoMemory", 0);
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return false;
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}
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error = xosfile_save_stamped(spath, 0xf79, source,
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source + source_len);
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free(source);
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if (error) {
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LOG(("xosfile_save_stamped: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("SaveError", error->errmess);
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return false;
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}
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}
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return true;
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}
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@ -244,7 +325,7 @@ void save_complete_init(void)
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* @param size size of source
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* @param osize updated with the size of the result
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* @param base url of stylesheet
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* @return converted source, or 0 on error
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* @return converted source, or 0 on out of memory
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*/
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char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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@ -256,7 +337,7 @@ char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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char buf[20];
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unsigned int offset = 0;
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int url_len = 0;
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int id;
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struct content *content;
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int m;
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unsigned int i;
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unsigned int imports = 0;
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@ -276,10 +357,8 @@ char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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}
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res = malloc(size + imports * 20);
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if (!res) {
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warn_user("NoMemory", 0);
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if (!res)
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return 0;
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}
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*osize = 0;
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while (offset < size) {
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@ -317,14 +396,12 @@ char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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url2 = strndup(url, url_len);
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if (!url2) {
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warn_user("NoMemory", 0);
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free(res);
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return 0;
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}
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url = url_join(url2, base);
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free(url2);
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if (!url) {
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warn_user("NoMemory", 0);
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free(res);
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return 0;
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}
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@ -333,10 +410,11 @@ char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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memcpy(res + *osize, source + offset, match[0].rm_so);
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*osize += match[0].rm_so;
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id = save_complete_find_url(url);
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if (id) {
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content = save_complete_list_find(url);
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if (content) {
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/* replace import */
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sprintf(buf, "@import '%x'", id);
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snprintf(buf, sizeof buf, "@import '%x'",
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(unsigned int) content);
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memcpy(res + *osize, buf, strlen(buf));
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*osize += strlen(buf);
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} else {
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@ -361,43 +439,39 @@ char * rewrite_stylesheet_urls(const char *source, unsigned int size,
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/**
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* Rewrite URLs in a HTML document to be relative
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* Rewrite URLs in a HTML document to be relative.
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*
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* @param doc The root of the document tree
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* @return 0 on error. >0 otherwise
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* \param doc root of the document tree
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* \param base base url of document
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* \return true on success, false on out of memory
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*/
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int rewrite_document_urls(xmlDoc *doc, const char *base)
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bool rewrite_document_urls(xmlDoc *doc, const char *base)
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{
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xmlNode *html;
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xmlNode *node;
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/* find the html element */
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for (html = doc->children;
|
||||
html!=0 && html->type != XML_ELEMENT_NODE;
|
||||
html = html->next)
|
||||
;
|
||||
if (html == 0 || strcmp((const char*)html->name, "html") != 0) {
|
||||
return 0;
|
||||
}
|
||||
for (node = doc->children; node; node = node->next)
|
||||
if (node->type == XML_ELEMENT_NODE)
|
||||
if (!rewrite_urls(node, base))
|
||||
return false;
|
||||
|
||||
rewrite_urls(html, base);
|
||||
|
||||
return 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Traverse tree, rewriting URLs as we go.
|
||||
*
|
||||
* \param n xmlNode of type XML_ELEMENT_NODE to rewrite
|
||||
* \param base base url of document
|
||||
* @param n The root of the tree
|
||||
* @return 0 on error. >0 otherwise
|
||||
* \return true on success, false on out of memory
|
||||
*
|
||||
* URLs in the tree rooted at element n are rewritten.
|
||||
*/
|
||||
|
||||
int rewrite_urls(xmlNode *n, const char *base)
|
||||
bool rewrite_urls(xmlNode *n, const char *base)
|
||||
{
|
||||
xmlNode *this;
|
||||
xmlNode *child;
|
||||
|
||||
/**
|
||||
* We only need to consider the following cases:
|
||||
@ -409,17 +483,18 @@ int rewrite_urls(xmlNode *n, const char *base)
|
||||
* 3) src <script> <input> <frame> <iframe> <img>
|
||||
* 4) n/a <style>
|
||||
*/
|
||||
if (n->type == XML_ELEMENT_NODE) {
|
||||
/* 1 */
|
||||
if (strcmp(n->name, "object") == 0) {
|
||||
rewrite_url(n, "data", base);
|
||||
if (!rewrite_url(n, "data", base))
|
||||
return false;
|
||||
}
|
||||
/* 2 */
|
||||
else if (strcmp(n->name, "a") == 0 ||
|
||||
strcmp(n->name, "area") == 0 ||
|
||||
strcmp(n->name, "link") == 0 ||
|
||||
strcmp(n->name, "base") == 0) {
|
||||
rewrite_url(n, "href", base);
|
||||
if (!rewrite_url(n, "href", base))
|
||||
return false;
|
||||
}
|
||||
/* 3 */
|
||||
else if (strcmp(n->name, "frame") == 0 ||
|
||||
@ -427,50 +502,47 @@ int rewrite_urls(xmlNode *n, const char *base)
|
||||
strcmp(n->name, "input") == 0 ||
|
||||
strcmp(n->name, "img") == 0 ||
|
||||
strcmp(n->name, "script") == 0) {
|
||||
rewrite_url(n, "src", base);
|
||||
if (!rewrite_url(n, "src", base))
|
||||
return false;
|
||||
}
|
||||
/* 4 */
|
||||
else if (strcmp(n->name, "style") == 0) {
|
||||
unsigned int len;
|
||||
xmlChar *content;
|
||||
|
||||
for (this = n->children; this != 0; this = this->next) {
|
||||
for (child = n->children; child != 0; child = child->next) {
|
||||
/* Get current content */
|
||||
content = xmlNodeGetContent(this);
|
||||
if (!content) continue;
|
||||
content = xmlNodeGetContent(child);
|
||||
if (!content)
|
||||
/* unfortunately we don't know if this is due to
|
||||
* memory exhaustion, or because there is no
|
||||
* content for this node */
|
||||
continue;
|
||||
|
||||
/* Rewrite @import rules */
|
||||
char *rewritten = rewrite_stylesheet_urls(
|
||||
content,
|
||||
strlen((char*)content),
|
||||
&len, base);
|
||||
if (!rewritten) {
|
||||
xmlFree(content);
|
||||
continue;
|
||||
}
|
||||
if (!rewritten)
|
||||
return false;
|
||||
|
||||
/* set new content */
|
||||
xmlNodeSetContentLen(this,
|
||||
xmlNodeSetContentLen(child,
|
||||
(const xmlChar*)rewritten,
|
||||
len);
|
||||
|
||||
/* free old content */
|
||||
xmlFree(content);
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
else {
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* now recurse */
|
||||
for (this = n->children; this != 0; this = this->next) {
|
||||
rewrite_urls(this, base);
|
||||
}
|
||||
for (child = n->children; child; child = child->next)
|
||||
if (!rewrite_urls(child, base))
|
||||
return false;
|
||||
|
||||
return 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
@ -480,60 +552,64 @@ int rewrite_urls(xmlNode *n, const char *base)
|
||||
* \param n The node to modify
|
||||
* \param attr The html attribute to modify
|
||||
* \param base base url of document
|
||||
* \return true on success, false on out of memory
|
||||
*/
|
||||
|
||||
void rewrite_url(xmlNode *n,const char *attr, const char *base)
|
||||
bool rewrite_url(xmlNode *n, const char *attr, const char *base)
|
||||
{
|
||||
char *url, *data;
|
||||
char rel[256];
|
||||
int id;
|
||||
char rel[20];
|
||||
struct content *content;
|
||||
|
||||
data = xmlGetProp(n, (const xmlChar*)attr);
|
||||
if (!xmlHasProp(n, (const xmlChar *) attr))
|
||||
return true;
|
||||
|
||||
if (!data) return;
|
||||
data = xmlGetProp(n, (const xmlChar *) attr);
|
||||
if (!data)
|
||||
return false;
|
||||
|
||||
url = url_join(data, base);
|
||||
if (!url) {
|
||||
xmlFree(data);
|
||||
return;
|
||||
}
|
||||
if (!url)
|
||||
return false;
|
||||
|
||||
id = save_complete_find_url(url);
|
||||
if (id) {
|
||||
content = save_complete_list_find(url);
|
||||
if (content) {
|
||||
/* found a match */
|
||||
snprintf(rel, sizeof rel, "%x", id);
|
||||
xmlSetProp(n, (const xmlChar *) attr, (xmlChar *) rel);
|
||||
free(url);
|
||||
snprintf(rel, sizeof rel, "%x", (unsigned int) content);
|
||||
if (!xmlSetProp(n, (const xmlChar *) attr, (xmlChar *) rel))
|
||||
return false;
|
||||
} else {
|
||||
/* no match found */
|
||||
xmlSetProp(n, (const xmlChar *) attr, (xmlChar *) url);
|
||||
if (!xmlSetProp(n, (const xmlChar *) attr, (xmlChar *) url)) {
|
||||
free(url);
|
||||
return false;
|
||||
}
|
||||
free(url);
|
||||
}
|
||||
|
||||
free(url);
|
||||
xmlFree(data);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Add a url to the save_complete_list.
|
||||
* Add a content to the save_complete_list.
|
||||
*
|
||||
* \param url url to add (copied)
|
||||
* \param id id to use for url
|
||||
* \param content content to add
|
||||
* \return true on success, false on out of memory
|
||||
*/
|
||||
|
||||
void save_complete_add_url(const char *url, int id)
|
||||
bool save_complete_list_add(struct content *content)
|
||||
{
|
||||
struct save_complete_entry *entry;
|
||||
entry = malloc(sizeof (*entry));
|
||||
if (!entry)
|
||||
return;
|
||||
entry->url = strdup(url);
|
||||
if (!url) {
|
||||
free(entry);
|
||||
return;
|
||||
}
|
||||
entry->ptr = id;
|
||||
return false;
|
||||
entry->content = content;
|
||||
entry->next = save_complete_list;
|
||||
save_complete_list = entry;
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
@ -541,19 +617,33 @@ void save_complete_add_url(const char *url, int id)
|
||||
* Look up a url in the save_complete_list.
|
||||
*
|
||||
* \param url url to find
|
||||
* \param len length of url
|
||||
* \return id to use for url, or 0 if not present
|
||||
* \return content if found, 0 otherwise
|
||||
*/
|
||||
|
||||
int save_complete_find_url(const char *url)
|
||||
struct content * save_complete_list_find(const char *url)
|
||||
{
|
||||
struct save_complete_entry *entry;
|
||||
for (entry = save_complete_list; entry; entry = entry->next)
|
||||
if (strcmp(url, entry->url) == 0)
|
||||
break;
|
||||
if (entry)
|
||||
return entry->ptr;
|
||||
if (strcmp(url, entry->content->url) == 0)
|
||||
return entry->content;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Look up a content in the save_complete_list.
|
||||
*
|
||||
* \param content pointer to content
|
||||
* \return true if the content is in the save_complete_list
|
||||
*/
|
||||
|
||||
bool save_complete_list_check(struct content *content)
|
||||
{
|
||||
struct save_complete_entry *entry;
|
||||
for (entry = save_complete_list; entry; entry = entry->next)
|
||||
if (entry->content == content)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
@ -15,6 +15,6 @@
|
||||
struct content;
|
||||
|
||||
void save_complete_init(void);
|
||||
void save_complete(struct content *c, const char *path);
|
||||
bool save_complete(struct content *c, const char *path);
|
||||
|
||||
#endif
|
||||
|
||||
@ -22,12 +22,9 @@
|
||||
#include "oslib/wimpspriteop.h"
|
||||
#include "netsurf/css/css.h"
|
||||
#include "netsurf/utils/config.h"
|
||||
#include "netsurf/desktop/save_text.h"
|
||||
#include "netsurf/riscos/constdata.h"
|
||||
#include "netsurf/riscos/gui.h"
|
||||
#include "netsurf/riscos/options.h"
|
||||
#include "netsurf/riscos/save_complete.h"
|
||||
#include "netsurf/riscos/save_draw.h"
|
||||
#include "netsurf/riscos/theme.h"
|
||||
#include "netsurf/riscos/thumbnail.h"
|
||||
#include "netsurf/riscos/wimp.h"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user