diff options
Diffstat (limited to 'libreport/src/lib/event_xml_parser.c')
| -rw-r--r-- | libreport/src/lib/event_xml_parser.c | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/libreport/src/lib/event_xml_parser.c b/libreport/src/lib/event_xml_parser.c deleted file mode 100644 index 4a2e4493..00000000 --- a/libreport/src/lib/event_xml_parser.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - Copyright (C) 2011 ABRT Team - Copyright (C) 2011 RedHat inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ -#include "libreport.h" -#include "event_config.h" - -#define EVENT_ELEMENT "event" -#define LABEL_ELEMENT "label" -#define DESCRIPTION_ELEMENT "description" -#define LONG_DESCR_ELEMENT "long-description" -#define ALLOW_EMPTY_ELEMENT "allow-empty" -#define NOTE_HTML_ELEMENT "note-html" -#define CREATES_ELEMENT "creates-items" -#define OPTION_ELEMENT "option" -//#define ACTION_ELEMENT "action" -#define NAME_ELEMENT "name" -#define DEFAULT_VALUE_ELEMENT "default-value" - -#define REQUIRES_ELEMENT "requires-items" -#define EXCL_BY_DEFAULT_ELEMENT "exclude-items-by-default" -#define INCL_BY_DEFAULT_ELEMENT "include-items-by-default" -#define EXCL_ALWAYS_ELEMENT "exclude-items-always" -#define EXCL_BINARY_ELEMENT "exclude-binary-items" - - -struct my_parse_data -{ - event_config_t *event_config; - event_option_t *cur_option; - const char *cur_locale; - char *attribute_lang; -}; - -static const char *const option_types[] = -{ - [OPTION_TYPE_TEXT ] = "text", - [OPTION_TYPE_BOOL ] = "bool", - [OPTION_TYPE_PASSWORD ] = "password", - [OPTION_TYPE_NUMBER ] = "number", - [OPTION_TYPE_HINT_HTML] = "hint-html", - [OPTION_TYPE_INVALID ] = NULL -}; - -// Return xml:lang value for <foo xml:lang="value"> if value matches current locale, -// "" if foo has no xml:lang attribute at all, -// else (if xml:lang is for some other locale) return NULL -// -static char *get_element_lang(struct my_parse_data *parse_data, const gchar **att_names, const gchar **att_values) -{ - char *short_locale_end = strchr(parse_data->cur_locale, '_'); - VERB3 log("locale: %s", parse_data->cur_locale); - int i; - for (i = 0; att_names[i] != NULL; ++i) - { - VERB3 log("attr: %s:%s", att_names[i], att_values[i]); - if (strcmp(att_names[i], "xml:lang") == 0) - { - if (strcmp(att_values[i], parse_data->cur_locale) == 0) - { - VERB3 log("found translation for: %s", parse_data->cur_locale); - return xstrdup(att_values[i]); - } - - /* try to match shorter locale - * e.g: "cs" with cs_CZ - */ - if (short_locale_end - && strncmp(att_values[i], parse_data->cur_locale, short_locale_end - parse_data->cur_locale) == 0 - ) { - VERB3 log("found translation for shortlocale: %s", parse_data->cur_locale); - return xstrndup(att_values[i], short_locale_end - parse_data->cur_locale); - } - } - } - /* if the element has no attribute then it's a default non-localized value */ - if (i == 0) - return xstrdup(""); - /* if the element is in different language than the current locale */ - return NULL; -} - -static int cmp_event_option_name_with_string(gconstpointer a, gconstpointer b) -{ - const event_option_t *evopt = a; - /* "When it is not a match?" */ - return !evopt->eo_name || strcmp(evopt->eo_name, (char *)b) != 0; -} - -static void consume_cur_option(struct my_parse_data *parse_data) -{ - event_option_t *opt = parse_data->cur_option; - if (!opt) - return; - parse_data->cur_option = NULL; - - event_config_t *event_config = parse_data->event_config; - - /* Example of "nameless" option: <option type="hint-html"> - * The remaining code does not like "nameless" options - * (strcmp would segfault, etc), so provide invented name: - */ - if (!opt->eo_name) - opt->eo_name = xasprintf("%u", (unsigned)g_list_length(event_config->options)); - - GList *elem = g_list_find_custom(event_config->options, opt->eo_name, cmp_event_option_name_with_string); - if (elem) - { - /* we already have option with such name */ - event_option_t *old_opt = elem->data; - if (old_opt->eo_value) - { - /* ...and it already has a value, which - * overrides xml-defined default one: - */ - free(opt->eo_value); - opt->eo_value = old_opt->eo_value; - old_opt->eo_value = NULL; - } - //log("xml: replacing '%s' value:'%s'->'%s'", opt->eo_name, old_opt->eo_value, opt->eo_value); - free_event_option(old_opt); - elem->data = opt; - } - else - { - //log("xml: new value %s='%s'", opt->eo_name, opt->eo_value); - event_config->options = g_list_append(event_config->options, opt); - } -} - -// Called for opening tags <foo bar="baz"> -static void start_element(GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - gpointer user_data, - GError **error) -{ - //log("start: %s", element_name); - - struct my_parse_data *parse_data = user_data; - - if (strcmp(element_name, OPTION_ELEMENT) == 0) - { - if (parse_data->cur_option) - { - error_msg("error, option nested in option"); - return; - } - - event_option_t *opt = parse_data->cur_option = new_event_option(); - int i; - - for (i = 0; attribute_names[i] != NULL; ++i) - { - VERB2 log("attr: %s:%s", attribute_names[i], attribute_values[i]); - if (strcmp(attribute_names[i], "name") == 0) - { - free(opt->eo_name); - opt->eo_name = xstrdup(attribute_values[i]); - } - else if (strcmp(attribute_names[i], "type") == 0) - { - option_type_t type; - for (type = OPTION_TYPE_TEXT; type < OPTION_TYPE_INVALID; ++type) - { - if (strcmp(option_types[type], attribute_values[i]) == 0) - opt->eo_type = type; - } - } - } - } - else - if (strcmp(element_name, LABEL_ELEMENT) == 0 - || strcmp(element_name, DESCRIPTION_ELEMENT) == 0 - || strcmp(element_name, LONG_DESCR_ELEMENT) == 0 - || strcmp(element_name, NAME_ELEMENT) == 0 - || strcmp(element_name, NOTE_HTML_ELEMENT) == 0 - ) { - free(parse_data->attribute_lang); - parse_data->attribute_lang = get_element_lang(parse_data, attribute_names, attribute_values); - } -} - -// Called for close tags </foo> -static void end_element(GMarkupParseContext *context, - const gchar *element_name, - gpointer user_data, - GError **error) -{ - struct my_parse_data *parse_data = user_data; - - free(parse_data->attribute_lang); - parse_data->attribute_lang = NULL; - - if (strcmp(element_name, OPTION_ELEMENT) == 0) - { - consume_cur_option(parse_data); - } - if (strcmp(element_name, EVENT_ELEMENT) == 0) - { - consume_cur_option(parse_data); - } -} - -// Called for character data -// text is not nul-terminated -static void text(GMarkupParseContext *context, - const gchar *text, - gsize text_len, - gpointer user_data, - GError **error) -{ - struct my_parse_data *parse_data = user_data; - event_config_t *ui = parse_data->event_config; - - const gchar *inner_element = g_markup_parse_context_get_element(context); - char *text_copy = xstrndup(text, text_len); - event_option_t *opt = parse_data->cur_option; - if (opt) - { - if (strcmp(inner_element, LABEL_ELEMENT) == 0) - { - if (parse_data->attribute_lang != NULL) /* if it isn't for other locale */ - { - /* set the value only if we found a value for the current locale - * OR the label is still not set and we found the default value - */ - if (parse_data->attribute_lang[0] != '\0' - || !opt->eo_label /* && parse_data->attribute_lang is "" - always true */ - ) { - VERB2 log("new label:'%s'", text_copy); - free(opt->eo_label); - opt->eo_label = text_copy; - } - } - return; - } - /* - * we can add a separate field for the default value - * in that case we can implement features like "reset to default value" - * but for now using "value" should be enough and clients doesn't - * have to know about the "defaul-value" - */ - if (strcmp(inner_element, DEFAULT_VALUE_ELEMENT) == 0) - { - VERB2 log("default value:'%s'", text_copy); - free(opt->eo_value); - opt->eo_value = text_copy; - return; - } - - if (strcmp(inner_element, NOTE_HTML_ELEMENT) == 0) - { - if (parse_data->attribute_lang != NULL) /* if it isn't for other locale */ - { - /* set the value only if we found a value for the current locale - * OR the label is still not set and we found the default value - */ - if (parse_data->attribute_lang[0] != '\0' - || !opt->eo_note_html /* && parse_data->attribute_lang is "" - always true */ - ) { - VERB2 log("html note:'%s'", text_copy); - free(opt->eo_note_html); - opt->eo_note_html = text_copy; - } - } - return; - } - - if (strcmp(inner_element, ALLOW_EMPTY_ELEMENT) == 0) - { - VERB2 log("allow-empty:'%s'", text_copy); - opt->eo_allow_empty = string_to_bool(text_copy); - return; - } - /* - if (strcmp(inner_element, DESCRIPTION_ELEMENT) == 0) - { - VERB2 log("tooltip:'%s'", text_copy); - free(opt->eo_description); - opt->eo_description = text_copy; - return; - } - */ - } - else - { - /* we're not in option, so the description is for the event */ - /* - if (strcmp(inner_element, ACTION_ELEMENT) == 0) - { - VERB2 log("action description:'%s'", text_copy); - free(ui->action); - ui->action = text_copy; - return; - } - */ - if (strcmp(inner_element, CREATES_ELEMENT) == 0) - { - VERB2 log("ec_creates_items:'%s'", text_copy); - free(ui->ec_creates_items); - ui->ec_creates_items = text_copy; - return; - } - if (strcmp(inner_element, NAME_ELEMENT) == 0) - { - if (parse_data->attribute_lang != NULL) /* if it isn't for other locale */ - { - /* set the value only if we found a value for the current locale - * OR the label is still not set and we found the default value - */ - if (parse_data->attribute_lang[0] != '\0' - || !ui->screen_name /* && parse_data->attribute_lang is "" - always true */ - ) { - VERB2 log("event name:'%s'", text_copy); - free(ui->screen_name); - ui->screen_name = text_copy; - } - } - return; - } - if (strcmp(inner_element, DESCRIPTION_ELEMENT) == 0) - { - VERB3 log("event description:'%s'", text_copy); - - if (parse_data->attribute_lang != NULL) /* if it isn't for other locale */ - { - /* set the value only if we found a value for the current locale - * OR the description is still not set and we found the default value - */ - if (parse_data->attribute_lang[0] != '\0' - || !ui->description /* && parse_data->attribute_lang is "" - always true */ - ) { - free(ui->description); - ui->description = text_copy; - } - } - return; - } - if (strcmp(inner_element, LONG_DESCR_ELEMENT) == 0) - { - VERB3 log("event long description:'%s'", text_copy); - - if (parse_data->attribute_lang != NULL) /* if it isn't for other locale */ - { - /* set the value only if we found a value for the current locale - * OR the description is still not set and we found the default value - */ - if (parse_data->attribute_lang[0] != '\0' - || !ui->long_descr /* && parse_data->attribute_lang is "" - always true */ - ) { - free(ui->long_descr); - ui->long_descr = text_copy; - } - } - return; - } - if (strcmp(inner_element, REQUIRES_ELEMENT) == 0) - { - free(ui->ec_requires_items); - ui->ec_requires_items = text_copy; - return; - } - if (strcmp(inner_element, EXCL_BY_DEFAULT_ELEMENT) == 0) - { - free(ui->ec_exclude_items_by_default); - ui->ec_exclude_items_by_default = text_copy; - return; - } - if (strcmp(inner_element, INCL_BY_DEFAULT_ELEMENT) == 0) - { - free(ui->ec_include_items_by_default); - ui->ec_include_items_by_default = text_copy; - return; - } - if (strcmp(inner_element, EXCL_ALWAYS_ELEMENT) == 0) - { - free(ui->ec_exclude_items_always); - ui->ec_exclude_items_always = text_copy; - return; - } - if (strcmp(inner_element, EXCL_BINARY_ELEMENT) == 0) - { - ui->ec_exclude_binary_items = string_to_bool(text_copy); - free(text_copy); - return; - } - } - free(text_copy); -} - - // Called for strings that should be re-saved verbatim in this same - // position, but are not otherwise interpretable. At the moment - // this includes comments and processing instructions. - // text is not nul-terminated -static void passthrough(GMarkupParseContext *context, - const gchar *passthrough_text, - gsize text_len, - gpointer user_data, - GError **error) -{ - VERB3 log("passthrough"); -} - -// Called on error, including one set by other -// methods in the vtable. The GError should not be freed. -static void error(GMarkupParseContext *context, - GError *error, - gpointer user_data) -{ - error_msg("error in XML parsing"); -} - -/* this function takes 2 parameters - * ui -> pointer to event_config_t - * filename -> filename to read - * event_config_t contains list of options, which is malloced by hits function - * and must be freed by the caller - */ - -void load_event_description_from_file(event_config_t *event_config, const char* filename) -{ - struct my_parse_data parse_data = { event_config, NULL, NULL , NULL }; - parse_data.cur_locale = setlocale(LC_ALL, NULL); - - GMarkupParser parser; - memset(&parser, 0, sizeof(parser)); /* just in case */ - parser.start_element = &start_element; - parser.end_element = &end_element; - parser.text = &text; - parser.passthrough = &passthrough; - parser.error = &error; - - GMarkupParseContext *context = g_markup_parse_context_new( - &parser, G_MARKUP_TREAT_CDATA_AS_TEXT, - &parse_data, /*GDestroyNotify:*/ NULL); - - FILE* fin = fopen(filename, "r"); - if (fin != NULL) - { - size_t read_bytes = 0; - char buff[1024]; - while ((read_bytes = fread(buff, 1, 1024, fin)) != 0) - { - g_markup_parse_context_parse(context, buff, read_bytes, NULL); - } - fclose(fin); - } - - g_markup_parse_context_free(context); - - consume_cur_option(&parse_data); /* just in case */ - free(parse_data.attribute_lang); /* just in case */ -} |