diff options
Diffstat (limited to 'src/parser/cr-statement.c')
| -rw-r--r-- | src/parser/cr-statement.c | 210 |
1 files changed, 197 insertions, 13 deletions
diff --git a/src/parser/cr-statement.c b/src/parser/cr-statement.c index 8157b7c..efd87a2 100644 --- a/src/parser/cr-statement.c +++ b/src/parser/cr-statement.c @@ -57,6 +57,123 @@ cr_statement_dump_import_rule (CRStatement *a_this, FILE *a_fp, gulong a_indent) ; static void +parse_at_media_start_media_cb (CRDocHandler *a_this, + GList *a_media_list) +{ + enum CRStatus status = CR_OK ; + CRStatement *at_media = NULL ; + GList *media_list = NULL ; + + g_return_if_fail (a_this && a_this->priv) ; + + if (a_media_list) + { + /*duplicate media list*/ + media_list = cr_dup_glist_of_string (a_media_list) ; + } + + g_return_if_fail (media_list) ; + + /*make sure cr_statement_new_at_media_rule works in this case.*/ + at_media = cr_statement_new_at_media_rule (NULL, NULL, + media_list) ; + + status = cr_doc_handler_set_ctxt (a_this, at_media) ; + g_return_if_fail (status == CR_OK) ; +} + +static void +parse_at_media_start_selector_cb (CRDocHandler *a_this, + CRSelector *a_sellist) +{ + enum CRStatus status = CR_OK ; + CRStatement *at_media = NULL, *ruleset = NULL ; + + g_return_if_fail (a_this + && a_this->priv + && a_sellist) ; + + status = cr_doc_handler_get_ctxt (a_this, + (gpointer*)&at_media) ; + g_return_if_fail (status == CR_OK && at_media) ; + g_return_if_fail (at_media->type == AT_MEDIA_RULE_STMT) ; + ruleset = cr_statement_new_ruleset (NULL, a_sellist, + NULL, at_media) ; + g_return_if_fail (ruleset) ; + status = cr_doc_handler_set_ctxt (a_this, ruleset) ; + g_return_if_fail (status == CR_OK) ; +} + +static void +parse_at_media_property_cb (CRDocHandler *a_this, + GString *a_name, CRTerm *a_value) +{ + enum CRStatus status = CR_OK ; + /* + *the current ruleset stmt, child of the + *current at-media being parsed. + */ + CRStatement *stmt = NULL; + GString *name = NULL ; + + g_return_if_fail (a_this && a_name) ; + + name = g_string_new_len (a_name->str, a_name->len) ; + g_return_if_fail (name) ; + + status = cr_doc_handler_get_ctxt (a_this, (gpointer*)&stmt) ; + g_return_if_fail (status == CR_OK && stmt) ; + g_return_if_fail (stmt->type == RULESET_STMT) ; + + status = cr_statement_ruleset_append_decl2 + (stmt, name, a_value) ; + g_return_if_fail (status == CR_OK) ; + + +} + +static void +parse_at_media_end_selector_cb (CRDocHandler *a_this, + CRSelector *a_sellist) +{ + enum CRStatus status = CR_OK ; + /* + *the current ruleset stmt, child of the + *current at-media being parsed. + */ + CRStatement *stmt = NULL ; + + g_return_if_fail (a_this && a_sellist) ; + + status = cr_doc_handler_get_ctxt (a_this, + (gpointer *)stmt) ; + g_return_if_fail (status == CR_OK && stmt + && stmt->type == RULESET_STMT) ; + g_return_if_fail (stmt->kind.ruleset->parent_media_rule) ; + + status = cr_doc_handler_set_ctxt + (a_this, + stmt->kind.ruleset->parent_media_rule) ; + g_return_if_fail (status == CR_OK) ; +} + +static void +parse_at_media_end_media_cb (CRDocHandler *a_this, + GList *a_media_list) +{ + enum CRStatus status = CR_OK ; + CRStatement *at_media = NULL ; + g_return_if_fail (a_this && a_this->priv) ; + + status = cr_doc_handler_get_ctxt (a_this, + (gpointer*)&at_media) ; + g_return_if_fail (status == CR_OK && at_media) ; + + status = cr_doc_handler_set_result (a_this, at_media) ; +} + + +static void parse_ruleset_start_selector_cb (CRDocHandler *a_this, CRSelector *a_sellist) { @@ -66,8 +183,6 @@ parse_ruleset_start_selector_cb (CRDocHandler *a_this, && a_this->priv && a_sellist) ; - cr_selector_ref (a_sellist) ; - ruleset = cr_statement_new_ruleset (NULL, a_sellist, NULL, NULL) ; g_return_if_fail (ruleset) ; @@ -92,13 +207,9 @@ parse_ruleset_property_cb (CRDocHandler *a_this, g_return_if_fail (status == CR_OK && ruleset && ruleset->type == RULESET_STMT) ; - if (a_value) - { - cr_term_ref (a_value) ; - } - - status = cr_statement_ruleset_append_decl2 (ruleset, stringue, a_value) ; - g_return_if_fail (status == CR_OK) ; + status = cr_statement_ruleset_append_decl2 + (ruleset, stringue, a_value) ; + g_return_if_fail (status == CR_OK) ; } static void @@ -576,10 +687,6 @@ cr_statement_ruleset_parse_from_buf (const guchar * a_buf, return result ; } -/********************** - *public functions - **********************/ - /** *Creates a new instance of #CRStatement of type *#CRRulSet. @@ -641,6 +748,83 @@ cr_statement_new_ruleset (CRStyleSheet * a_sheet, } /** + *Parses a buffer that contains an "@media" declaration + *and builds an @media css statement. + *@param a_buf the input to parse. + *@param a_enc the encoding of the buffer. + *@return the @media statement, or NULL if the buffer could not + *be successfully parsed. + */ +CRStatement * +cr_statement_at_media_rule_parse_from_buf (const guchar *a_buf, + enum CREncoding a_enc) +{ + CRParser *parser = NULL ; + CRStatement *result = NULL ; + CRDocHandler *sac_handler = NULL ; + enum CRStatus status = CR_OK ; + + parser = cr_parser_new_from_buf (a_buf, strlen (a_buf), + a_enc, FALSE) ; + if (!parser) + { + cr_utils_trace_info ("Instanciation of the parser failed") ; + goto cleanup ; + } + + sac_handler = cr_doc_handler_new () ; + if (!sac_handler) + { + cr_utils_trace_info ("Instanciation of the sac handler failed") ; + goto cleanup ; + } + + sac_handler->start_media = + parse_at_media_start_media_cb ; + sac_handler->start_selector = + parse_at_media_start_selector_cb ; + sac_handler->property = + parse_at_media_property_cb ; + sac_handler->end_selector = + parse_at_media_end_selector_cb ; + sac_handler->end_media = + parse_at_media_end_media_cb ; + + status = cr_parser_set_sac_handler (parser, sac_handler) ; + if (status != CR_OK) + goto cleanup ; + + status = cr_parser_try_to_skip_spaces_and_comments (parser) ; + if (status != CR_OK) + goto cleanup ; + + status = cr_parser_parse_media (parser) ; + if (status != CR_OK) + goto cleanup ; + + status = cr_doc_handler_get_result (sac_handler, + (gpointer*)&result) ; + if (status != CR_OK) + goto cleanup ; + + + cleanup: + + if (parser) + { + cr_parser_destroy (parser) ; + parser = NULL ; + } + if (sac_handler) + { + cr_doc_handler_unref (sac_handler) ; + sac_handler = NULL ; + } + + return result ; +} + +/** *Instanciates an instance of #CRStatement of type *AT_MEDIA_RULE_STMT (@media ruleset). *@param a_ruleset the ruleset statements contained |