Removed old 'ast' format, now that we have 'xml'.

The xml representation of the AST is not quite as pretty, but
it contains the same information and is not in an ad hoc format.

See #53.

4 files changed, 1 insertions, 182 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ef26bef..4272234 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -22,7 +22,6 @@ set(LIBRARY_SOURCES
   iterator.c
   blocks.c
   inlines.c
-  print.c
   scanners.c
   scanners.re
   utf8.c
diff --git a/src/cmark.h b/src/cmark.h
index 37b3efa..fe44a2d 100644
--- a/src/cmark.h
+++ b/src/cmark.h
@@ -400,12 +400,6 @@ cmark_node *cmark_parse_file(FILE *f);
  * ## Rendering
  */
 
-/** Render a 'node' tree for debugging purposes, showing
- * the hierachy of nodes and their types and contents.
- */
-CMARK_EXPORT
-char *cmark_render_ast(cmark_node *root);
-
 /** Render a 'node' tree as XML.
  */
 CMARK_EXPORT
diff --git a/src/main.c b/src/main.c
index be1bfd9..dfdba3c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,14 +12,13 @@ typedef enum {
 	FORMAT_HTML,
 	FORMAT_XML,
 	FORMAT_MAN,
-	FORMAT_AST
 } writer_format;
 
 void print_usage()
 {
 	printf("Usage:   cmark [FILE*]\n");
 	printf("Options:\n");
-	printf("  --to, -t FORMAT  Specify output format (html, xml, man, ast)\n");
+	printf("  --to, -t FORMAT  Specify output format (html, xml, man)\n");
 	printf("  --help, -h       Print usage information\n");
 	printf("  --version        Print version\n");
 }
@@ -28,9 +27,6 @@ static void print_document(cmark_node *document, writer_format writer)
 {
 	char *result;
 	switch (writer) {
-	case FORMAT_AST:
-		result = cmark_render_ast(document);
-		break;
 	case FORMAT_HTML:
 		result = cmark_render_html(document);
 		break;
@@ -80,8 +76,6 @@ int main(int argc, char *argv[])
 					writer = FORMAT_HTML;
 				} else if (strcmp(argv[i], "xml") == 0) {
 					writer = FORMAT_XML;
-				} else if (strcmp(argv[i], "ast") == 0) {
-					writer = FORMAT_AST;
 				} else {
 					fprintf(stderr,
 						"Unknown format %s\n", argv[i]);
diff --git a/src/print.c b/src/print.c
deleted file mode 100644
index 98e5fd2..0000000
--- a/src/print.c
+++ /dev/null
@@ -1,168 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "cmark.h"
-#include "buffer.h"
-#include "node.h"
-
-#define INDENT 2
-
-static void print_str(cmark_strbuf* buffer, const unsigned char *s, int len)
-{
-	int i;
-
-	if (len < 0)
-		len = strlen((char *)s);
-
-	cmark_strbuf_putc(buffer, '"');
-	for (i = 0; i < len; ++i) {
-		unsigned char c = s[i];
-
-		switch (c) {
-		case '\n':
-			cmark_strbuf_printf(buffer, "\\n");
-			break;
-		case '"':
-			cmark_strbuf_printf(buffer, "\\\"");
-			break;
-		case '\\':
-			cmark_strbuf_printf(buffer, "\\\\");
-			break;
-		default:
-			cmark_strbuf_putc(buffer, (int)c);
-		}
-	}
-	cmark_strbuf_putc(buffer, '"');
-}
-
-// Prettyprint an inline list, for debugging.
-static void render_nodes(cmark_strbuf* buffer, cmark_node* node, int indent)
-{
-	int i;
-	cmark_list *data;
-
-	while(node != NULL) {
-		for (i=0; i < indent; i++) {
-			cmark_strbuf_putc(buffer, ' ');
-		}
-		switch(node->type) {
-		case NODE_DOCUMENT:
-			break;
-		case NODE_BLOCK_QUOTE:
-			cmark_strbuf_printf(buffer, "block_quote\n");
-			break;
-		case NODE_ITEM:
-			cmark_strbuf_printf(buffer, "list_item\n");
-			break;
-		case NODE_LIST:
-			data = &(node->as.list);
-			if (data->list_type == CMARK_ORDERED_LIST) {
-				cmark_strbuf_printf(buffer, "list (type=ordered tight=%s start=%d delim=%s)\n",
-				       (data->tight ? "true" : "false"),
-				       data->start,
-				       (data->delimiter == CMARK_PAREN_DELIM ? "parens" : "period"));
-			} else {
-				cmark_strbuf_printf(buffer, "list (type=bullet tight=%s bullet_char=%c)\n",
-				       (data->tight ? "true" : "false"),
-				       data->bullet_char);
-			}
-			break;
-		case NODE_HEADER:
-			cmark_strbuf_printf(buffer, "header (level=%d)\n", node->as.header.level);
-			break;
-		case NODE_PARAGRAPH:
-			cmark_strbuf_printf(buffer, "paragraph\n");
-			break;
-		case NODE_HRULE:
-			cmark_strbuf_printf(buffer, "hrule\n");
-			break;
-		case NODE_CODE_BLOCK:
-			cmark_strbuf_printf(buffer, "code_block fenced=%d fence_length=%d info=", node->as.code.fenced, node->as.code.fence_length);
-			print_str(buffer, node->as.code.info.data,
-				  node->as.code.info.len);
-			cmark_strbuf_putc(buffer, ' ');
-			print_str(buffer, node->as.code.literal.data,
-				  node->as.code.literal.len);
-			cmark_strbuf_putc(buffer, '\n');
-			break;
-		case NODE_HTML:
-			cmark_strbuf_printf(buffer, "html ");
-			print_str(buffer, node->as.literal.data,
-				  node->as.literal.len);
-			cmark_strbuf_putc(buffer, '\n');
-			break;
-		case NODE_TEXT:
-			cmark_strbuf_printf(buffer, "text ");
-			print_str(buffer, node->as.literal.data, node->as.literal.len);
-			cmark_strbuf_putc(buffer, '\n');
-			break;
-		case NODE_LINEBREAK:
-			cmark_strbuf_printf(buffer, "linebreak\n");
-			break;
-		case NODE_SOFTBREAK:
-			cmark_strbuf_printf(buffer, "softbreak\n");
-			break;
-		case NODE_CODE:
-			cmark_strbuf_printf(buffer, "code ");
-			print_str(buffer, node->as.literal.data, node->as.literal.len);
-			cmark_strbuf_putc(buffer, '\n');
-			break;
-		case NODE_INLINE_HTML:
-			cmark_strbuf_printf(buffer, "inline_html ");
-			print_str(buffer, node->as.literal.data, node->as.literal.len);
-			cmark_strbuf_putc(buffer, '\n');
-			break;
-		case NODE_LINK:
-		case NODE_IMAGE:
-			cmark_strbuf_printf(buffer, "%s url=", node->type == NODE_LINK ? "link" : "image");
-
-			if (node->as.link.url)
-				print_str(buffer, node->as.link.url, -1);
-
-			if (node->as.link.title) {
-				cmark_strbuf_printf(buffer, " title=");
-				print_str(buffer, node->as.link.title, -1);
-			}
-			cmark_strbuf_putc(buffer, '\n');
-			break;
-		case NODE_STRONG:
-			cmark_strbuf_printf(buffer, "strong\n");
-			break;
-		case NODE_EMPH:
-			cmark_strbuf_printf(buffer, "emph\n");
-			break;
-		default:
-			break;
-		}
-		if (node->first_child) { // render children if any
-			indent += INDENT;
-			node = node->first_child;
-		} else if (node->next) { // otherwise render next sibling
-			node = node->next;
-		} else {
-			node = node->parent;  // back up to parent
-			while (node) {
-				indent -= INDENT;
-				if (node->next) {
-					node = node->next;
-					break;
-				} else {
-					node = node->parent;
-				}
-				if (!node) {
-					break;
-				}
-			}
-		}
-	}
-}
-
-char *cmark_render_ast(cmark_node *root)
-{
-	char* result;
-	cmark_strbuf buffer = GH_BUF_INIT;
-	render_nodes(&buffer, root, -2);
-	result = (char *)cmark_strbuf_detach(&buffer);
-	cmark_strbuf_free(&buffer);
-	return result;
-}