From df6739c85e53ddde8b1a2f7b8f21542de8b54432 Mon Sep 17 00:00:00 2001
From: "K. Lange" <klange@toaruos.org>
Date: Sat, 25 Sep 2021 12:27:24 +0900
Subject: [PATCH] bim: syntax highlighter for /etc/issue files

---
 base/usr/share/bim/syntax/issue.krk | 72 +++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 base/usr/share/bim/syntax/issue.krk

diff --git a/base/usr/share/bim/syntax/issue.krk b/base/usr/share/bim/syntax/issue.krk
new file mode 100644
index 00000000..c5dfb9c8
--- /dev/null
+++ b/base/usr/share/bim/syntax/issue.krk
@@ -0,0 +1,72 @@
+from syntax import Highlighter, bind
+
+class EtcIssueHighlighter(Highlighter):
+    name = "issue"
+    extensions = ('/etc/issue',)
+    spaces = True
+    e_types = [
+        ('bold', Highlighter.FLAG_BOLD),
+        ('reset', Highlighter.FLAG_NONE),
+        ('blue', Highlighter.FLAG_KEYWORD),
+        ('red', Highlighter.FLAG_DIFFMINUS),
+        ('black', Highlighter.FLAG_COMMENT),
+        ('brown', Highlighter.FLAG_TYPE),
+        ('cyan', Highlighter.FLAG_KEYWORD),
+        ('darkgray', Highlighter.FLAG_COMMENT),
+        ('gray', Highlighter.FLAG_COMMENT),
+        ('green', Highlighter.FLAG_DIFFPLUS),
+        ('lightblue', Highlighter.FLAG_KEYWORD),
+        ('lightcyan', Highlighter.FLAG_KEYWORD),
+        ('lightgray', Highlighter.FLAG_COMMENT),
+        ('lightgreen', Highlighter.FLAG_DIFFPLUS),
+        ('lightmagenta', Highlighter.FLAG_NUMERAL),
+        ('lightred', Highlighter.FLAG_DIFFMINUS),
+        ('magenta', Highlighter.FLAG_NUMERAL),
+        ('reverse', Highlighter.FLAG_UNDERLINE),
+        ('yellow', Highlighter.FLAG_NOTICE),
+    ]
+
+    def calculate(self):
+        if self[0] == '\\':
+            if self[1] in ('\\','n','s','r','m','v','l','d','t'):
+                self.paint(2, self.FLAG_ESCAPE)
+                return 0
+            else if not self[1]:
+                self.paint(1, self.FLAG_ESCAPE)
+                return None
+            else if self[1] == 'e':
+                if self[2] == '{':
+                    self.paint(3, self.FLAG_ESCAPE)
+                    for tname, tcolor in self.e_types:
+                        if self.matchAndPaint(tname, tcolor, self.cKeywordQualifier):
+                            break
+                    if not self[0] == '}':
+                        self.paint(1, self.FLAG_ERROR)
+                    else:
+                        self.paint(1, self.FLAG_ESCAPE)
+                    return 0
+                else:
+                    self.paint(2, self.FLAG_ESCAPE)
+                    return 0
+            else if self[1] == '4':
+                if self[2] == '{':
+                    self.paint(3, self.FLAG_ESCAPE)
+                    while self[0] and self[0] != '}':
+                        self.paint(1, self.FLAG_KEYWORD)
+                    if self[0] == '}':
+                        self.paint(1, self.FLAG_ESCAPE)
+                    return 0
+                else:
+                    self.paint(2, self.FLAG_ESCAPE)
+                    return 0
+            else:
+                self.skip()
+                return 0
+        else if self[0]:
+            self.skip()
+            return 0
+        else:
+            return None
+
+bind(EtcIssueHighlighter)
+