Moved expand function to external plugin to reduce code duplication.

1 files changed, 43 insertions, 0 deletions

diff --git a/examples/data/uzbl/plugins/cmd_expand.py b/examples/data/uzbl/plugins/cmd_expand.py
new file mode 100644
index 0000000..a5c279d
--- /dev/null
+++ b/examples/data/uzbl/plugins/cmd_expand.py
@@ -0,0 +1,43 @@
+__export__ = ['cmd_expand',]
+
+
+def escape(str):
+    for (level, char) in [(3, '\\'), (2, "'"), (2, '"'), (1, '@')]:
+        str = str.replace(char, (level * '\\') + char)
+
+    return str
+
+
+def cmd_expand(uzbl, cmd, args):
+    '''Exports a function that provides the following
+    expansions in any uzbl command string:
+
+        %s = replace('%s', ' '.join(args))
+        %r = replace('%r', "'%s'" % escaped(' '.join(args)))
+        %1 = replace('%1', arg[0])
+        %2 = replace('%2', arg[1])
+        %n = replace('%n', arg[n-1])
+    '''
+
+    # Ensure (1) all string representable and (2) correct string encoding.
+    args = map(unicode, args)
+
+    # Direct string replace.
+    if '%s' in cmd:
+        cmd = cmd.replace('%s', ' '.join(args))
+
+    # Escaped and quoted string replace.
+    if '%r' in cmd:
+        cmd = cmd.replace('%r', "'%s'" % escape(' '.join(args)))
+
+    # Arg index string replace.
+    for (index, arg) in enumerate(args):
+        index += 1
+        if '%%%d' % index in cmd:
+            cmd = cmd.replace('%%%d' % index, unicode(arg))
+
+    return cmd
+
+
+def init(*args):
+    pass