diff options
Diffstat (limited to 'src/treebuilder/generic_rcdata.c')
-rw-r--r-- | src/treebuilder/generic_rcdata.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/treebuilder/generic_rcdata.c b/src/treebuilder/generic_rcdata.c new file mode 100644 index 0000000..07173cf --- /dev/null +++ b/src/treebuilder/generic_rcdata.c @@ -0,0 +1,123 @@ +/* + * This file is part of Hubbub. + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2008 John-Mark Bell <jmb@netsurf-browser.org> + */ + +#include <assert.h> +#include <string.h> + +#include "treebuilder/modes.h" +#include "treebuilder/internal.h" +#include "treebuilder/treebuilder.h" +#include "utils/utils.h" + + +/** + * Handle tokens in "generic rcdata" insertion mode + * + * \param treebuilder The treebuilder instance + * \param token The token to process + * \return True to reprocess the token, false otherwise + */ +bool handle_generic_rcdata(hubbub_treebuilder *treebuilder, + const hubbub_token *token) +{ + bool reprocess = false; + bool done = false; + + if (treebuilder->context.strip_leading_lr && + token->type != HUBBUB_TOKEN_CHARACTER) { + /* Reset the LR stripping flag */ + treebuilder->context.strip_leading_lr = false; + } + + switch (token->type) { + case HUBBUB_TOKEN_CHARACTER: + if (treebuilder->context.collect.string.len == 0) { + treebuilder->context.collect.string.data.off = + token->data.character.data.off; + } + treebuilder->context.collect.string.len += + token->data.character.len; + + if (treebuilder->context.strip_leading_lr) { + const uint8_t *str = treebuilder->input_buffer + + treebuilder->context.collect.string.data.off; + + /** \todo UTF-16 */ + if (*str == '\n') { + treebuilder->context.collect.string.data.off++; + treebuilder->context.collect.string.len--; + } + + treebuilder->context.strip_leading_lr = false; + } + break; + case HUBBUB_TOKEN_END_TAG: + { + element_type type = element_type_from_name(treebuilder, + &token->data.tag.name); + + if (type != treebuilder->context.collect.type) { + /** \todo parse error */ + } + + done = true; + } + break; + case HUBBUB_TOKEN_EOF: + /** \todo parse error */ + done = reprocess = true; + break; + case HUBBUB_TOKEN_COMMENT: + case HUBBUB_TOKEN_DOCTYPE: + case HUBBUB_TOKEN_START_TAG: + /* Should never happen */ + assert(0); + break; + } + + if (done) { + int success; + void *text, *appended; + + success = treebuilder->tree_handler->create_text( + treebuilder->tree_handler->ctx, + &treebuilder->context.collect.string, + &text); + if (success != 0) { + /** \todo errors */ + } + + success = treebuilder->tree_handler->append_child( + treebuilder->tree_handler->ctx, + treebuilder->context.collect.node, + text, &appended); + if (success != 0) { + /** \todo errors */ + treebuilder->tree_handler->unref_node( + treebuilder->tree_handler->ctx, + text); + } + + treebuilder->tree_handler->unref_node( + treebuilder->tree_handler->ctx, appended); + treebuilder->tree_handler->unref_node( + treebuilder->tree_handler->ctx, text); + + /* Clean up context */ + treebuilder->tree_handler->unref_node( + treebuilder->tree_handler->ctx, + treebuilder->context.collect.node); + treebuilder->context.collect.node = NULL; + + /* Return to previous insertion mode */ + treebuilder->context.mode = + treebuilder->context.collect.mode; + } + + return reprocess; +} + |