93 lines
1.6 KiB
Python
93 lines
1.6 KiB
Python
|
"""
|
||
|
|
Process escaped chars and hardbreaks
|
||
|
|
"""
|
||
|
|
from ..common.utils import isStrSpace
|
||
|
|
from .state_inline import StateInline
|
||
|
|
|
||
|
|
|
||
|
|
def escape(state: StateInline, silent: bool) -> bool:
|
||
|
|
"""Process escaped chars and hardbreaks."""
|
||
|
|
pos = state.pos
|
||
|
|
maximum = state.posMax
|
||
|
|
|
||
|
|
if state.src[pos] != "\\":
|
||
|
|
return False
|
||
|
|
|
||
|
|
pos += 1
|
||
|
|
|
||
|
|
# '\' at the end of the inline block
|
||
|
|
if pos >= maximum:
|
||
|
|
return False
|
||
|
|
|
||
|
|
ch1 = state.src[pos]
|
||
|
|
ch1_ord = ord(ch1)
|
||
|
|
if ch1 == "\n":
|
||
|
|
if not silent:
|
||
|
|
state.push("hardbreak", "br", 0)
|
||
|
|
pos += 1
|
||
|
|
# skip leading whitespaces from next line
|
||
|
|
while pos < maximum:
|
||
|
|
ch = state.src[pos]
|
||
|
|
if not isStrSpace(ch):
|
||
|
|
break
|
||
|
|
pos += 1
|
||
|
|
|
||
|
|
state.pos = pos
|
||
|
|
return True
|
||
|
|
|
||
|
|
escapedStr = state.src[pos]
|
||
|
|
|
||
|
|
if ch1_ord >= 0xD800 and ch1_ord <= 0xDBFF and pos + 1 < maximum:
|
||
|
|
ch2 = state.src[pos + 1]
|
||
|
|
ch2_ord = ord(ch2)
|
||
|
|
if ch2_ord >= 0xDC00 and ch2_ord <= 0xDFFF:
|
||
|
|
escapedStr += ch2
|
||
|
|
pos += 1
|
||
|
|
|
||
|
|
origStr = "\\" + escapedStr
|
||
|
|
|
||
|
|
if not silent:
|
||
|
|
token = state.push("text_special", "", 0)
|
||
|
|
token.content = escapedStr if ch1 in _ESCAPED else origStr
|
||
|
|
token.markup = origStr
|
||
|
|
token.info = "escape"
|
||
|
|
|
||
|
|
state.pos = pos + 1
|
||
|
|
return True
|
||
|
|
|
||
|
|
|
||
|
|
_ESCAPED = {
|
||
|
|
"!",
|
||
|
|
'"',
|
||
|
|
"#",
|
||
|
|
"$",
|
||
|
|
"%",
|
||
|
|
"&",
|
||
|
|
"'",
|
||
|
|
"(",
|
||
|
|
")",
|
||
|
|
"*",
|
||
|
|
"+",
|
||
|
|
",",
|
||
|
|
"-",
|
||
|
|
".",
|
||
|
|
"/",
|
||
|
|
":",
|
||
|
|
";",
|
||
|
|
"<",
|
||
|
|
"=",
|
||
|
|
">",
|
||
|
|
"?",
|
||
|
|
"@",
|
||
|
|
"[",
|
||
|
|
"\\",
|
||
|
|
"]",
|
||
|
|
"^",
|
||
|
|
"_",
|
||
|
|
"`",
|
||
|
|
"{",
|
||
|
|
"|",
|
||
|
|
"}",
|
||
|
|
"~",
|
||
|
|
}
|