summaryrefslogtreecommitdiff
path: root/src/blocks.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/blocks.c')
-rw-r--r--src/blocks.c95
1 files changed, 69 insertions, 26 deletions
diff --git a/src/blocks.c b/src/blocks.c
index b006cc1..8ae452e 100644
--- a/src/blocks.c
+++ b/src/blocks.c
@@ -89,6 +89,7 @@ static bool is_blank(cmark_strbuf *s, int offset)
{
while (offset < s->size) {
switch (s->ptr[offset]) {
+ case '\r':
case '\n':
return true;
case ' ':
@@ -126,9 +127,10 @@ static void add_line(cmark_node* node, cmark_chunk *ch, int offset)
static void remove_trailing_blank_lines(cmark_strbuf *ln)
{
int i;
+ unsigned char c;
for (i = ln->size - 1; i >= 0; --i) {
- unsigned char c = ln->ptr[i];
+ c = ln->ptr[i];
if (c != ' ' && c != '\t' && c != '\r' && c != '\n')
break;
@@ -139,9 +141,16 @@ static void remove_trailing_blank_lines(cmark_strbuf *ln)
return;
}
- i = cmark_strbuf_strchr(ln, '\n', i);
- if (i >= 0)
+
+ for(; i < ln->size; ++i) {
+ c = ln->ptr[i];
+
+ if (c != '\r' && c != '\n')
+ continue;
+
cmark_strbuf_truncate(ln, i);
+ break;
+ }
}
// Check to see if a node ends with a blank line, descending
@@ -185,7 +194,6 @@ static int break_out_of_lists(cmark_parser *parser, cmark_node ** bptr)
static cmark_node*
finalize(cmark_parser *parser, cmark_node* b)
{
- int firstlinelen;
int pos;
cmark_node* item;
cmark_node* subitem;
@@ -204,9 +212,11 @@ finalize(cmark_parser *parser, cmark_node* b)
(b->type == NODE_CODE_BLOCK && b->as.code.fenced) ||
(b->type == NODE_HEADER && b->as.header.setext)) {
b->end_line = parser->line_number;
- b->end_column = parser->curline->size -
- (parser->curline->ptr[parser->curline->size - 1] == '\n' ?
- 1 : 0);
+ b->end_column = parser->curline->size;
+ if (b->end_column && parser->curline->ptr[b->end_column - 1] == '\n')
+ b->end_column--;
+ if (b->end_column && parser->curline->ptr[b->end_column - 1] == '\r')
+ b->end_column--;
} else {
b->end_line = parser->line_number - 1;
b->end_column = parser->last_line_length;
@@ -232,19 +242,28 @@ finalize(cmark_parser *parser, cmark_node* b)
} else {
// first line of contents becomes info
- firstlinelen = cmark_strbuf_strchr(&b->string_content, '\n', 0);
+ for (pos = 0; pos < b->string_content.size; ++pos) {
+ if (b->string_content.ptr[pos] == '\r' ||
+ b->string_content.ptr[pos] == '\n')
+ break;
+ }
+ assert(pos < b->string_content.size);
cmark_strbuf tmp = GH_BUF_INIT;
houdini_unescape_html_f(
&tmp,
b->string_content.ptr,
- firstlinelen
+ pos
);
cmark_strbuf_trim(&tmp);
cmark_strbuf_unescape(&tmp);
b->as.code.info = cmark_chunk_buf_detach(&tmp);
- cmark_strbuf_drop(&b->string_content, firstlinelen + 1);
+ if (b->string_content.ptr[pos] == '\r')
+ pos += 1;
+ if (b->string_content.ptr[pos] == '\n')
+ pos += 1;
+ cmark_strbuf_drop(&b->string_content, pos);
}
b->as.code.literal = cmark_chunk_buf_detach(&b->string_content);
break;
@@ -467,13 +486,22 @@ S_parser_feed(cmark_parser *parser, const unsigned char *buffer, size_t len,
const unsigned char *end = buffer + len;
while (buffer < end) {
- const unsigned char *eol
- = (const unsigned char *)memchr(buffer, '\n',
- end - buffer);
+ const unsigned char *eol;
size_t line_len;
+ for (eol = buffer; eol < end; ++eol) {
+ if (*eol == '\r' || *eol == '\n')
+ break;
+ }
+ if (eol >= end)
+ eol = NULL;
+
if (eol) {
- line_len = eol + 1 - buffer;
+ if (eol < end && *eol == '\r')
+ eol++;
+ if (eol < end && *eol == '\n')
+ eol++;
+ line_len = eol - buffer;
} else if (eof) {
line_len = end - buffer;
} else {
@@ -534,9 +562,13 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
// Add a newline to the end if not present:
// TODO this breaks abstraction:
- if (parser->curline->ptr[parser->curline->size - 1] != '\n') {
- cmark_strbuf_putc(parser->curline, '\n');
+ if (parser->curline->size && parser->curline->ptr[parser->curline->size - 1] == '\n') {
+ cmark_strbuf_truncate(parser->curline, parser->curline->size - 1);
+ }
+ if (parser->curline->size && parser->curline->ptr[parser->curline->size - 1] == '\r') {
+ cmark_strbuf_truncate(parser->curline, parser->curline->size - 1);
}
+ cmark_strbuf_putc(parser->curline, '\n');
input.data = parser->curline->ptr;
input.len = parser->curline->size;
@@ -557,7 +589,8 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
}
indent = first_nonspace - offset;
- blank = peek_at(&input, first_nonspace) == '\n';
+ blank = peek_at(&input, first_nonspace) == '\n' ||
+ peek_at(&input, first_nonspace) == '\r';
if (container->type == NODE_BLOCK_QUOTE) {
matched = indent <= 3 && peek_at(&input, first_nonspace) == '>';
@@ -659,7 +692,8 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
indent = first_nonspace - offset;
indented = indent >= CODE_INDENT;
- blank = peek_at(&input, first_nonspace) == '\n';
+ blank = peek_at(&input, first_nonspace) == '\n' ||
+ peek_at(&input, first_nonspace) == '\r';
if (indented && !maybe_lazy && !blank) {
offset += CODE_INDENT;
@@ -712,8 +746,10 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
container->type == NODE_PARAGRAPH &&
(lev = scan_setext_header_line(&input, first_nonspace)) &&
// check that there is only one line in the paragraph:
- cmark_strbuf_strrchr(&container->string_content, '\n',
- cmark_strbuf_len(&container->string_content) - 2) < 0) {
+ (cmark_strbuf_strrchr(&container->string_content, '\n',
+ cmark_strbuf_len(&container->string_content) - 2) < 0 &&
+ cmark_strbuf_strrchr(&container->string_content, '\r',
+ cmark_strbuf_len(&container->string_content) - 2) < 0)) {
container->type = NODE_HEADER;
container->as.header.level = lev;
@@ -739,7 +775,9 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
i++;
}
// i = number of spaces after marker, up to 5
- if (i >= 5 || i < 1 || peek_at(&input, offset) == '\n') {
+ if (i >= 5 || i < 1 ||
+ peek_at(&input, offset) == '\n' ||
+ peek_at(&input, offset) == '\r') {
data->padding = matched + 1;
if (i > 0) {
offset += 1;
@@ -787,7 +825,8 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
first_nonspace++;
indent = first_nonspace - offset;
- blank = peek_at(&input, first_nonspace) == '\n';
+ blank = peek_at(&input, first_nonspace) == '\n' ||
+ peek_at(&input, first_nonspace) == '\r';
if (blank && container->last_child) {
container->last_child->last_line_blank = true;
@@ -855,10 +894,14 @@ S_process_line(cmark_parser *parser, const unsigned char *buffer, size_t bytes)
parser->current = container;
}
finished:
- parser->last_line_length = parser->curline->size -
- (parser->curline->ptr[parser->curline->size - 1] == '\n' ?
- 1 : 0);
- ;
+ parser->last_line_length = parser->curline->size;
+ if (parser->last_line_length &&
+ parser->curline->ptr[parser->last_line_length - 1] == '\n')
+ parser->last_line_length--;
+ if (parser->last_line_length &&
+ parser->curline->ptr[parser->last_line_length - 1] == '\r')
+ parser->last_line_length--;
+
cmark_strbuf_clear(parser->curline);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 21:50:05 +0000