# ~~~
var ext_mode = true
+ # Disable attaching MDLocation to Tokens
+ #
+ # Locations are useful for some tools but they may
+ # cause an important time and space overhead.
+ #
+ # Default = `false`
+ var no_location = false is writable
+
init do self.emitter = new MarkdownEmitter(self)
# Process the mardown `input` string and return the processed output.
var c = input[i]
if c == '\n' then
eol = true
+ else if c == '\r' then
else if c == '\t' then
- var np = pos + (4 - (pos.bin_and(3)))
+ var np = pos + (4 - (pos & 3))
while pos < np do
value.add ' '
pos += 1
c2 = ' '
end
- var loc = new MDLocation(
- current_loc.line_start,
- current_loc.column_start + pos,
- current_loc.line_start,
- current_loc.column_start + pos)
+ var loc
+ if no_location then
+ loc = null
+ else
+ loc = new MDLocation(
+ current_loc.line_start,
+ current_loc.column_start + pos,
+ current_loc.line_start,
+ current_loc.column_start + pos)
+ end
if c == '*' then
if c1 == '*' then
end
else if c == '_' then
if c1 == '_' then
- if c0 != ' ' or c2 != ' 'then
+ if c0 != ' ' or c2 != ' ' then
return new TokenStrongUnderscore(loc, pos, c)
else
return new TokenEmUnderscore(loc, pos, c)
end
# Append `c` to current buffer.
- fun addc(c: Char) do add c.to_s
+ fun addc(c: Char) do
+ current_buffer.add c
+ end
# Append a "\n" line break.
- fun addn do add "\n"
+ fun addn do addc '\n'
end
# A Link Reference.
# Create a link with a title.
init with_title(link: String, title: nullable String) do
- self.link = link
+ init(link)
self.title = title
end
end
# Kind of emitter used for decoration.
type EMITTER: MarkdownEmitter
+ # Render a single plain char.
+ #
+ # Redefine this method to add special escaping for plain text.
+ fun add_char(v: EMITTER, c: Char) do v.addc c
+
# Render a ruler block.
fun add_ruler(v: EMITTER, block: BlockRuler) is abstract
end
redef fun add_code(v, block) do
- if block isa BlockFence and block.meta != null then
- v.add "<pre class=\"{block.meta.to_s}\"><code>"
+ var meta = block.meta
+ if meta != null then
+ v.add "<pre class=\""
+ append_value(v, meta)
+ v.add "\"><code>"
else
v.add "<pre><code>"
end
block = block.next
end
end
+
+ # The raw content of the block as a multi-line string.
+ fun raw_content: String do
+ var infence = self isa BlockFence
+ var text = new FlatBuffer
+ var line = self.block.first_line
+ while line != null do
+ if not line.is_empty then
+ var str = line.value
+ if not infence and str.has_prefix(" ") then
+ text.append str.substring(4, str.length - line.trailing)
+ else
+ text.append str
+ end
+ end
+ text.append "\n"
+ line = line.next
+ end
+ return text.write_to_string
+ end
end
# A block without any markdown specificities.
class BlockCode
super Block
+ # Any string found after fence token.
+ var meta: nullable Text
+
# Number of char to skip at the beginning of the line.
#
# Block code lines start at 4 spaces.
class BlockFence
super BlockCode
- # Any string found after fence token.
- var meta: nullable Text
-
# Fence code lines start at 0 spaces.
redef var line_start = 0
end
abstract class Token
# Location of `self` in the original input.
- var location: MDLocation
+ var location: nullable MDLocation
# Position of `self` in input independant from lines.
var pos: Int
var char: Char
# Output that token using `MarkdownEmitter::decorator`.
- fun emit(v: MarkdownEmitter) do v.addc char
+ fun emit(v: MarkdownEmitter) do v.decorator.add_char(v, char)
end
# A token without a specific meaning.
if pos == -1 then return -1
end
end
+ if pos < start then return -1
if md[pos] != ')' then return -1
else if md[pos] == '[' then
pos += 1
if c == '\\' and pos + 1 < length then
pos = escape(out, self[pos + 1], pos)
else
- var end_reached = false
- for n in nend do
- if c == n then
- end_reached = true
- break
- end
- end
- if end_reached then break
+ for n in nend do if c == n then break label
out.add c
end
pos += 1
- end
+ end label
if pos == length then return -1
return pos
end
nitlanguage / nit.git / blobdiff