Adding upstream version 2.1.0.upstream/2.1.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/markdown_it/rules_inline/escape.py b/markdown_it/rules_inline/escape.py
new file mode 100644
index 0000000..36bd040
--- /dev/null
+++ b/markdown_it/rules_inline/escape.py
@@ -0,0 +1,49 @@
+"""
+Process escaped chars and hardbreaks
+"""
+from ..common.utils import isSpace
+from .state_inline import StateInline
+
+ESCAPED = [0 for _ in range(256)]
+for ch in "\\!\"#$%&'()*+,./:;<=>?@[]^_`{|}~-":
+    ESCAPED[ord(ch)] = 1
+
+
+def escape(state: StateInline, silent: bool):
+    pos = state.pos
+    maximum = state.posMax
+
+    # /* \ */
+    if state.srcCharCode[pos] != 0x5C:
+        return False
+
+    pos += 1
+
+    if pos < maximum:
+        ch = state.srcCharCode[pos]
+
+        if ch < 256 and ESCAPED[ch] != 0:
+            if not silent:
+                state.pending += state.src[pos]
+            state.pos += 2
+            return True
+
+        if ch == 0x0A:
+            if not silent:
+                state.push("hardbreak", "br", 0)
+
+            pos += 1
+            # skip leading whitespaces from next line
+            while pos < maximum:
+                ch = state.srcCharCode[pos]
+                if not isSpace(ch):
+                    break
+                pos += 1
+
+            state.pos = pos
+            return True
+
+    if not silent:
+        state.pending += "\\"
+    state.pos += 1
+    return True