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authorJohn MacFarlane <fiddlosopher@gmail.com>2014-11-13 09:29:51 -0800
committerJohn MacFarlane <fiddlosopher@gmail.com>2014-11-13 09:29:51 -0800
commit91642ceee7a2a2c05d9561c0e22b2f15111ac603 (patch)
tree8c9832ff1ef76900ade55cc459c21a19a8c0e832 /src
parent4467216e9fbf9eaa94ac4178b2400dc481c57ba0 (diff)
Added ast.[c,h] for AST definitions and AST-manipulating functions.
Diffstat (limited to 'src')
-rw-r--r--src/CMakeLists.txt2
-rw-r--r--src/ast.c30
-rw-r--r--src/ast.h134
-rw-r--r--src/blocks.c23
-rw-r--r--src/cmark.h124
5 files changed, 167 insertions, 146 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6f30bf0..40efdf4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,6 +2,7 @@ cmake_minimum_required(VERSION 2.8)
set(LIBRARY "cmark-shared")
set(HEADERS
cmark.h
+ ast.h
buffer.h
chunk.h
references.h
@@ -14,6 +15,7 @@ set(HEADERS
)
set(LIBRARY_SOURCES
cmark.c
+ ast.c
blocks.c
inlines.c
print.c
diff --git a/src/ast.c b/src/ast.c
new file mode 100644
index 0000000..1622568
--- /dev/null
+++ b/src/ast.c
@@ -0,0 +1,30 @@
+#include <stdbool.h>
+#include <stdio.h>
+#include "buffer.h"
+#include "ast.h"
+#include "inlines.h"
+#include "references.h"
+
+// Free a node_block list and any children.
+void cmark_free_nodes(node_block *e)
+{
+ node_block * next;
+ while (e != NULL) {
+ free_inlines(e->inline_content);
+ strbuf_free(&e->string_content);
+ if (e->tag == BLOCK_FENCED_CODE) {
+ strbuf_free(&e->as.code.info);
+ } else if (e->tag == BLOCK_DOCUMENT) {
+ reference_map_free(e->as.document.refmap);
+ }
+ if (e->last_child) {
+ // Splice children into list
+ e->last_child->next = e->next;
+ e->next = e->children;
+ }
+ next = e->next;
+ free(e);
+ e = next;
+ }
+}
+
diff --git a/src/ast.h b/src/ast.h
new file mode 100644
index 0000000..decf5eb
--- /dev/null
+++ b/src/ast.h
@@ -0,0 +1,134 @@
+#ifndef _AST_H_
+#define _AST_H_
+
+#include <stdbool.h>
+#include <stdio.h>
+#include "buffer.h"
+#include "chunk.h"
+#include "references.h"
+
+struct cmark_node_inl {
+ enum {
+ CMARK_INL_STRING,
+ CMARK_INL_SOFTBREAK,
+ CMARK_INL_LINEBREAK,
+ CMARK_INL_CODE,
+ CMARK_INL_RAW_HTML,
+ CMARK_INL_EMPH,
+ CMARK_INL_STRONG,
+ CMARK_INL_LINK,
+ CMARK_INL_IMAGE
+ } tag;
+ union {
+ cmark_chunk literal;
+ struct cmark_node_inl *inlines;
+ struct {
+ struct cmark_node_inl *label;
+ unsigned char *url;
+ unsigned char *title;
+ } linkable;
+ } content;
+ struct cmark_node_inl *next;
+};
+
+typedef struct cmark_node_inl cmark_node_inl;
+
+// Types for blocks
+struct cmark_ListData {
+ enum {
+ bullet,
+ ordered
+ } list_type;
+ int marker_offset;
+ int padding;
+ int start;
+ enum {
+ period,
+ parens
+ } delimiter;
+ unsigned char bullet_char;
+ bool tight;
+};
+
+struct cmark_FencedCodeData {
+ int fence_length;
+ int fence_offset;
+ unsigned char fence_char;
+ cmark_strbuf info;
+};
+
+struct cmark_node_block {
+ enum {
+ CMARK_BLOCK_DOCUMENT,
+ CMARK_BLOCK_BQUOTE,
+ CMARK_BLOCK_LIST,
+ CMARK_BLOCK_LIST_ITEM,
+ CMARK_BLOCK_FENCED_CODE,
+ CMARK_BLOCK_INDENTED_CODE,
+ CMARK_BLOCK_HTML,
+ CMARK_BLOCK_PARAGRAPH,
+ CMARK_BLOCK_ATX_HEADER,
+ CMARK_BLOCK_SETEXT_HEADER,
+ CMARK_BLOCK_HRULE,
+ CMARK_BLOCK_REFERENCE_DEF
+ } tag;
+ int start_line;
+ int start_column;
+ int end_line;
+ bool open;
+ bool last_line_blank;
+ 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;
+ cmark_node_inl* inline_content;
+
+ union {
+ struct cmark_ListData list;
+ struct cmark_FencedCodeData code;
+ struct {
+ int level;
+ } header;
+ struct {
+ cmark_reference_map *refmap;
+ } document;
+ } as;
+
+ struct cmark_node_block *next;
+ struct cmark_node_block *prev;
+};
+
+typedef struct cmark_node_block cmark_node_block;
+
+void cmark_free_nodes(cmark_node_block *e);
+
+#ifndef CMARK_NO_SHORT_NAMES
+ #define node_inl cmark_node_inl
+ #define INL_STRING CMARK_INL_STRING
+ #define INL_SOFTBREAK CMARK_INL_SOFTBREAK
+ #define INL_LINEBREAK CMARK_INL_LINEBREAK
+ #define INL_CODE CMARK_INL_CODE
+ #define INL_RAW_HTML CMARK_INL_RAW_HTML
+ #define INL_EMPH CMARK_INL_EMPH
+ #define INL_STRONG CMARK_INL_STRONG
+ #define INL_LINK CMARK_INL_LINK
+ #define INL_IMAGE CMARK_INL_IMAGE
+ #define ListData cmark_ListData
+ #define FencedCodeData cmark_FencedCodeData
+ #define node_block cmark_node_block
+ #define BLOCK_DOCUMENT CMARK_BLOCK_DOCUMENT
+ #define BLOCK_BQUOTE CMARK_BLOCK_BQUOTE
+ #define BLOCK_LIST CMARK_BLOCK_LIST
+ #define BLOCK_LIST_ITEM CMARK_BLOCK_LIST_ITEM
+ #define BLOCK_FENCED_CODE CMARK_BLOCK_FENCED_CODE
+ #define BLOCK_INDENTED_CODE CMARK_BLOCK_INDENTED_CODE
+ #define BLOCK_HTML CMARK_BLOCK_HTML
+ #define BLOCK_PARAGRAPH CMARK_BLOCK_PARAGRAPH
+ #define BLOCK_ATX_HEADER CMARK_BLOCK_ATX_HEADER
+ #define BLOCK_SETEXT_HEADER CMARK_BLOCK_SETEXT_HEADER
+ #define BLOCK_HRULE CMARK_BLOCK_HRULE
+ #define BLOCK_REFERENCE_DEF CMARK_BLOCK_REFERENCE_DEF
+#endif
+
+#endif
diff --git a/src/blocks.c b/src/blocks.c
index a70f5f8..615346d 100644
--- a/src/blocks.c
+++ b/src/blocks.c
@@ -253,29 +253,6 @@ static node_block* add_child(node_block* parent,
}
-// Free a node_block list and any children.
-void cmark_free_nodes(node_block *e)
-{
- node_block * next;
- while (e != NULL) {
- free_inlines(e->inline_content);
- strbuf_free(&e->string_content);
- if (e->tag == BLOCK_FENCED_CODE) {
- strbuf_free(&e->as.code.info);
- } else if (e->tag == BLOCK_DOCUMENT) {
- reference_map_free(e->as.document.refmap);
- }
- if (e->last_child) {
- // Splice children into list
- e->last_child->next = e->next;
- e->next = e->children;
- }
- next = e->next;
- free(e);
- e = next;
- }
-}
-
typedef struct BlockStack {
struct BlockStack *previous;
node_block *next_sibling;
diff --git a/src/cmark.h b/src/cmark.h
index 8b29934..07cee14 100644
--- a/src/cmark.h
+++ b/src/cmark.h
@@ -4,8 +4,7 @@
#include <stdbool.h>
#include <stdio.h>
#include "buffer.h"
-#include "chunk.h"
-#include "references.h"
+#include "ast.h"
#ifdef __cplusplus
extern "C" {
@@ -16,105 +15,9 @@ extern "C" {
#define CMARK_MAX_LINK_LABEL_LENGTH 1000
-struct cmark_node_inl {
- enum {
- CMARK_INL_STRING,
- CMARK_INL_SOFTBREAK,
- CMARK_INL_LINEBREAK,
- CMARK_INL_CODE,
- CMARK_INL_RAW_HTML,
- CMARK_INL_EMPH,
- CMARK_INL_STRONG,
- CMARK_INL_LINK,
- CMARK_INL_IMAGE
- } tag;
- union {
- cmark_chunk literal;
- struct cmark_node_inl *inlines;
- struct {
- struct cmark_node_inl *label;
- unsigned char *url;
- unsigned char *title;
- } linkable;
- } content;
- struct cmark_node_inl *next;
-};
-
-typedef struct cmark_node_inl cmark_node_inl;
-
-// Types for blocks
-struct cmark_ListData {
- enum {
- bullet,
- ordered
- } list_type;
- int marker_offset;
- int padding;
- int start;
- enum {
- period,
- parens
- } delimiter;
- unsigned char bullet_char;
- bool tight;
-};
-
-struct cmark_FencedCodeData {
- int fence_length;
- int fence_offset;
- unsigned char fence_char;
- cmark_strbuf info;
-};
-
-struct cmark_node_block {
- enum {
- CMARK_BLOCK_DOCUMENT,
- CMARK_BLOCK_BQUOTE,
- CMARK_BLOCK_LIST,
- CMARK_BLOCK_LIST_ITEM,
- CMARK_BLOCK_FENCED_CODE,
- CMARK_BLOCK_INDENTED_CODE,
- CMARK_BLOCK_HTML,
- CMARK_BLOCK_PARAGRAPH,
- CMARK_BLOCK_ATX_HEADER,
- CMARK_BLOCK_SETEXT_HEADER,
- CMARK_BLOCK_HRULE,
- CMARK_BLOCK_REFERENCE_DEF
- } tag;
- int start_line;
- int start_column;
- int end_line;
- bool open;
- bool last_line_blank;
- 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;
- cmark_node_inl* inline_content;
-
- union {
- struct cmark_ListData list;
- struct cmark_FencedCodeData code;
- struct {
- int level;
- } header;
- struct {
- cmark_reference_map *refmap;
- } document;
- } as;
-
- struct cmark_node_block *next;
- struct cmark_node_block *prev;
-};
-
-typedef struct cmark_node_block cmark_node_block;
-
cmark_node_block *cmark_parse_document(const unsigned char *buffer, size_t len);
cmark_node_block *cmark_parse_file(FILE *f);
-void cmark_free_nodes(cmark_node_block *e);
-
void cmark_debug_print(cmark_node_block *root);
void cmark_render_html(cmark_strbuf *html, cmark_node_block *root);
@@ -124,31 +27,6 @@ unsigned char *cmark_markdown_to_html(unsigned char *text, int len);
#define VERSION CMARK_VERSION
#define CODE_INDENT CMARK_CODE_INDENT
#define MAX_LINK_LABEL_LENGTH CMARK_MAX_LINK_LABEL_LENGTH
- #define node_inl cmark_node_inl
- #define INL_STRING CMARK_INL_STRING
- #define INL_SOFTBREAK CMARK_INL_SOFTBREAK
- #define INL_LINEBREAK CMARK_INL_LINEBREAK
- #define INL_CODE CMARK_INL_CODE
- #define INL_RAW_HTML CMARK_INL_RAW_HTML
- #define INL_EMPH CMARK_INL_EMPH
- #define INL_STRONG CMARK_INL_STRONG
- #define INL_LINK CMARK_INL_LINK
- #define INL_IMAGE CMARK_INL_IMAGE
- #define ListData cmark_ListData
- #define FencedCodeData cmark_FencedCodeData
- #define node_block cmark_node_block
- #define BLOCK_DOCUMENT CMARK_BLOCK_DOCUMENT
- #define BLOCK_BQUOTE CMARK_BLOCK_BQUOTE
- #define BLOCK_LIST CMARK_BLOCK_LIST
- #define BLOCK_LIST_ITEM CMARK_BLOCK_LIST_ITEM
- #define BLOCK_FENCED_CODE CMARK_BLOCK_FENCED_CODE
- #define BLOCK_INDENTED_CODE CMARK_BLOCK_INDENTED_CODE
- #define BLOCK_HTML CMARK_BLOCK_HTML
- #define BLOCK_PARAGRAPH CMARK_BLOCK_PARAGRAPH
- #define BLOCK_ATX_HEADER CMARK_BLOCK_ATX_HEADER
- #define BLOCK_SETEXT_HEADER CMARK_BLOCK_SETEXT_HEADER
- #define BLOCK_HRULE CMARK_BLOCK_HRULE
- #define BLOCK_REFERENCE_DEF CMARK_BLOCK_REFERENCE_DEF
#endif
#ifdef __cplusplus