1 files changed, 62 insertions, 0 deletions
diff --git a/poezio/ui/funcs.py b/poezio/ui/funcs.py
new file mode 100644
index 00000000..023432ee
--- /dev/null
+++ b/poezio/ui/funcs.py
@@ -0,0 +1,62 @@
+"""
+Standalone functions used by the modules
+"""
+
+import string
+from typing import Optional, List
+from poezio.ui.consts import FORMAT_CHAR, FORMAT_CHARS
+
+DIGITS = string.digits + '-'
+
+
+def find_first_format_char(text: str,
+                           chars: str = None) -> int:
+    to_find = chars or FORMAT_CHARS 
+    pos = -1
+    for char in to_find:
+        p = text.find(char)
+        if p == -1:
+            continue
+        if pos == -1 or p < pos:
+            pos = p
+    return pos
+
+
+def truncate_nick(nick: Optional[str], size=10) -> str:
+    if size < 1:
+        size = 1
+    if nick:
+        if len(nick) > size:
+            return nick[:size] + '…'
+        return nick
+    return ''
+
+
+def parse_attrs(text: str, previous: Optional[List[str]] = None) -> List[str]:
+    next_attr_char = text.find(FORMAT_CHAR)
+    if previous:
+        attrs = previous
+    else:
+        attrs = []
+    while next_attr_char != -1 and text:
+        if next_attr_char + 1 < len(text):
+            attr_char = text[next_attr_char + 1].lower()
+        else:
+            attr_char = '\0'
+        if attr_char == 'o':
+            attrs = []
+        elif attr_char == 'u':
+            attrs.append('u')
+        elif attr_char == 'b':
+            attrs.append('b')
+        elif attr_char == 'i':
+            attrs.append('i')
+        if attr_char in DIGITS and attr_char:
+            color_str = text[next_attr_char + 1:text.find('}', next_attr_char)]
+            if color_str:
+                attrs.append(color_str + '}')
+            text = text[next_attr_char + len(color_str) + 2:]
+        else:
+            text = text[next_attr_char + 2:]
+        next_attr_char = text.find(FORMAT_CHAR)
+    return attrs