diff options
-rw-r--r-- | src/ast.h | 7 | ||||
-rw-r--r-- | src/blocks.c | 74 | ||||
-rw-r--r-- | src/cmark.c | 2 |
3 files changed, 38 insertions, 45 deletions
@@ -72,7 +72,6 @@ struct cmark_node_block { struct cmark_node_block* children; struct cmark_node_block* last_child; struct cmark_node_block* parent; - struct cmark_node_block* top; cmark_strbuf string_content; struct cmark_node_inl* inline_content; @@ -82,9 +81,6 @@ struct cmark_node_block { struct { int level; } header; - struct { - cmark_reference_map *refmap; - } document; } as; struct cmark_node_block *next; @@ -92,7 +88,8 @@ struct cmark_node_block { }; struct cmark_doc_parser { - struct cmark_node_block* head; + struct cmark_reference_map *refmap; + struct cmark_node_block* root; struct cmark_node_block* current; int line_number; cmark_strbuf *curline; diff --git a/src/blocks.c b/src/blocks.c index 1b20945..45d43ec 100644 --- a/src/blocks.c +++ b/src/blocks.c @@ -38,9 +38,6 @@ static node_block* make_block(cmark_block_tag tag, int start_line, int start_col static node_block* make_document() { node_block *e = make_block(BLOCK_DOCUMENT, 1, 1); - e->as.document.refmap = reference_map_new(); - e->top = e; - return e; } @@ -51,7 +48,8 @@ cmark_doc_parser *cmark_new_doc_parser() strbuf *line = (strbuf*)malloc(sizeof(strbuf)); cmark_strbuf_init(line, 256); - parser->head = document; + parser->refmap = reference_map_new(); + parser->root = document; parser->current = document; parser->line_number = 0; parser->curline = line; @@ -63,10 +61,11 @@ void cmark_free_doc_parser(cmark_doc_parser *parser) { cmark_strbuf_free(parser->curline); free(parser->curline); + cmark_reference_map_free(parser->refmap); free(parser); } -static void finalize(node_block* b, int line_number); +static void finalize(cmark_doc_parser *parser, node_block* b, int line_number); // Returns true if line has only space characters, else false. static bool is_blank(strbuf *s, int offset) @@ -144,27 +143,27 @@ static bool ends_with_blank_line(node_block* node_block) } // Break out of all containing lists -static int break_out_of_lists(node_block ** bptr, int line_number) +static int break_out_of_lists(cmark_doc_parser *parser, node_block ** bptr, int line_number) { node_block *container = *bptr; - node_block *b = container->top; + node_block *b = parser->root; // find first containing BLOCK_LIST: while (b && b->tag != BLOCK_LIST) { b = b->last_child; } if (b) { while (container && container != b) { - finalize(container, line_number); + finalize(parser, container, line_number); container = container->parent; } - finalize(b, line_number); + finalize(parser, b, line_number); *bptr = b->parent; } return 0; } -static void finalize(node_block* b, int line_number) +static void finalize(cmark_doc_parser *parser, node_block* b, int line_number) { int firstlinelen; int pos; @@ -185,7 +184,7 @@ static void finalize(node_block* b, int line_number) case BLOCK_PARAGRAPH: pos = 0; while (strbuf_at(&b->string_content, 0) == '[' && - (pos = parse_reference_inline(&b->string_content, b->top->as.document.refmap))) { + (pos = parse_reference_inline(&b->string_content, parser->refmap))) { strbuf_drop(&b->string_content, pos); } @@ -251,7 +250,7 @@ static void finalize(node_block* b, int line_number) } // Add a node_block as child of another. Return pointer to child. -static node_block* add_child(node_block* parent, +static node_block* add_child(cmark_doc_parser *parser, node_block* parent, cmark_block_tag block_type, int start_line, int start_column) { assert(parent); @@ -259,13 +258,12 @@ static node_block* add_child(node_block* parent, // if 'parent' isn't the kind of node_block that can accept this child, // then back up til we hit a node_block that can. while (!can_contain(parent->tag, block_type)) { - finalize(parent, start_line); + finalize(parser, parent, start_line); parent = parent->parent; } node_block* child = make_block(block_type, start_line, start_column); child->parent = parent; - child->top = parent->top; if (parent->last_child) { parent->last_child->next = child; @@ -402,17 +400,17 @@ static int lists_match(struct ListData *list_data, struct ListData *item_data) list_data->bullet_char == item_data->bullet_char); } -static node_block *finalize_document(node_block *document, int linenum) +static node_block *finalize_document(cmark_doc_parser *parser) { - while (document != document->top) { - finalize(document, linenum); - document = document->parent; + while (parser->current != parser->root) { + finalize(parser, parser->current, parser->line_number); + parser->current = parser->current->parent; } - finalize(document, linenum); - process_inlines(document, document->as.document.refmap); + finalize(parser, parser->root, parser->line_number); + process_inlines(parser->root, parser->refmap); - return document; + return parser->root; } extern node_block *cmark_parse_file(FILE *f) @@ -499,7 +497,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, input.len = parser->curline->size; // container starts at the document root. - container = cur->top; + container = parser->root; parser->line_number++; @@ -589,7 +587,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, // check to see if we've hit 2nd blank line, break out of list: if (blank && container->last_line_blank) { - break_out_of_lists(&container, parser->line_number); + break_out_of_lists(parser, &container, parser->line_number); } // unless last matched container is code node_block, try new container starts: @@ -606,7 +604,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, if (indent >= CODE_INDENT) { if (cur->tag != BLOCK_PARAGRAPH && !blank) { offset += CODE_INDENT; - container = add_child(container, BLOCK_INDENTED_CODE, parser->line_number, offset + 1); + container = add_child(parser, container, BLOCK_INDENTED_CODE, parser->line_number, offset + 1); } else { // indent > 4 in lazy line break; } @@ -617,12 +615,12 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, // optional following character if (peek_at(&input, offset) == ' ') offset++; - container = add_child(container, BLOCK_BQUOTE, parser->line_number, offset + 1); + container = add_child(parser, container, BLOCK_BQUOTE, parser->line_number, offset + 1); } else if ((matched = scan_atx_header_start(&input, first_nonspace))) { offset = first_nonspace + matched; - container = add_child(container, BLOCK_ATX_HEADER, parser->line_number, offset + 1); + container = add_child(parser, container, BLOCK_ATX_HEADER, parser->line_number, offset + 1); int hashpos = chunk_strchr(&input, '#', first_nonspace); int level = 0; @@ -635,7 +633,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, } else if ((matched = scan_open_code_fence(&input, first_nonspace))) { - container = add_child(container, BLOCK_FENCED_CODE, parser->line_number, first_nonspace + 1); + container = add_child(parser, container, BLOCK_FENCED_CODE, parser->line_number, first_nonspace + 1); container->as.code.fence_char = peek_at(&input, first_nonspace); container->as.code.fence_length = matched; container->as.code.fence_offset = first_nonspace - offset; @@ -643,7 +641,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, } else if ((matched = scan_html_block_tag(&input, first_nonspace))) { - container = add_child(container, BLOCK_HTML, parser->line_number, first_nonspace + 1); + container = add_child(parser, container, BLOCK_HTML, parser->line_number, first_nonspace + 1); // note, we don't adjust offset because the tag is part of the text } else if (container->tag == BLOCK_PARAGRAPH && @@ -660,8 +658,8 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, (matched = scan_hrule(&input, first_nonspace))) { // it's only now that we know the line is not part of a setext header: - container = add_child(container, BLOCK_HRULE, parser->line_number, first_nonspace + 1); - finalize(container, parser->line_number); + container = add_child(parser, container, BLOCK_HRULE, parser->line_number, first_nonspace + 1); + finalize(parser, container, parser->line_number); container = container->parent; offset = input.len - 1; @@ -691,14 +689,14 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, if (container->tag != BLOCK_LIST || !lists_match(&container->as.list, data)) { - container = add_child(container, BLOCK_LIST, parser->line_number, + container = add_child(parser, container, BLOCK_LIST, parser->line_number, first_nonspace + 1); memcpy(&container->as.list, data, sizeof(*data)); } // add the list item - container = add_child(container, BLOCK_LIST_ITEM, parser->line_number, + container = add_child(parser, container, BLOCK_LIST_ITEM, parser->line_number, first_nonspace + 1); /* TODO: static */ memcpy(&container->as.list, data, sizeof(*data)); @@ -752,7 +750,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, // finalize any blocks that were not matched and set cur to container: while (cur != last_matched_container) { - finalize(cur, parser->line_number); + finalize(parser, cur, parser->line_number); cur = cur->parent; assert(cur != NULL); } @@ -773,7 +771,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, if (matched) { // if closing fence, don't add line to container; instead, close it: - finalize(container, parser->line_number); + finalize(parser, container, parser->line_number); container = container->parent; // back up to parent } else { add_line(container, &input, offset); @@ -791,7 +789,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, chop_trailing_hashtags(&input); add_line(container, &input, first_nonspace); - finalize(container, parser->line_number); + finalize(parser, container, parser->line_number); container = container->parent; } else if (accepts_lines(container->tag)) { @@ -801,7 +799,7 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, } else if (container->tag != BLOCK_HRULE && container->tag != BLOCK_SETEXT_HEADER) { // create paragraph container for line - container = add_child(container, BLOCK_PARAGRAPH, parser->line_number, first_nonspace + 1); + container = add_child(parser, container, BLOCK_PARAGRAPH, parser->line_number, first_nonspace + 1); add_line(container, &input, first_nonspace); } else { @@ -816,8 +814,8 @@ void cmark_process_line(cmark_doc_parser *parser, const unsigned char *buffer, node_block *cmark_finish(cmark_doc_parser *parser) { - finalize_document(parser->current, parser->line_number); + finalize_document(parser); strbuf_free(parser->curline); - return parser->head; + return parser->root; } diff --git a/src/cmark.c b/src/cmark.c index 768d462..106abbf 100644 --- a/src/cmark.c +++ b/src/cmark.c @@ -164,8 +164,6 @@ void cmark_free_blocks(cmark_node_block *e) strbuf_free(&e->string_content); if (e->tag == CMARK_BLOCK_FENCED_CODE) { strbuf_free(&e->as.code.info); - } else if (e->tag == CMARK_BLOCK_DOCUMENT) { - reference_map_free(e->as.document.refmap); } if (e->last_child) { // Splice children into list |