From 09813128f55c009faeb2300d4aa9933ca957f613 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Thu, 29 Sep 2011 19:59:55 +0200
Subject: Support delimiter in cmdline arguments

Delimiters are " and '.
---
 src/io.c | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/src/io.c b/src/io.c
index 2a981b1..473ce30 100644
--- a/src/io.c
+++ b/src/io.c
@@ -75,29 +75,58 @@ skip_whitespace(char *text)
 	return &text[i];
 }
 
+static gboolean
+is_escaped(char *text, int index, char escape)
+{
+	if (index <= 0)
+		return FALSE;
+
+	if (text[index-1] == escape)
+		return !is_escaped(text, index-1, escape);
+
+	return FALSE;
+}
+
 static char *
-skip_non_whitespace(char *text)
+skip_non_whitespace(char *text, char delimiter)
 {
 	int i;
 	
 	for (i = 0; text[i] != '\0'; ++i) {
-		if (text[i] == ' ')
+		if (text[i] == delimiter && !is_escaped(text, i, '\\'))
 			return &text[i];
 	}
 
 	return &text[i];
 }
 
+static char *
+skip_delimiter(char *text, char *delimiter)
+{
+	*delimiter = ' ';
+
+	if (text[0] == '"' || text[0] == '\'') {
+		*delimiter = text[0];
+		text = &text[1];
+	}
+
+	return text;
+}
+
 static int
 command_split(char *cmd, char ***argv)
 {
 	static char *av[16];
 	int i;
+	char delimiter;
 
 	for (i = 0; i < 15; ++i) {
 		cmd = skip_whitespace(cmd);
+		if (strlen(cmd) == 0)
+			break;
+		cmd = skip_delimiter(cmd, &delimiter);
 		av[i] = cmd;
-		cmd = skip_non_whitespace(cmd);
+		cmd = skip_non_whitespace(cmd, delimiter);
 		if (cmd[0] == '\0') {
 			++i;
 			break;
@@ -123,7 +152,6 @@ process_line(char *line)
 
 	g_assert(global_rl_user_data);
 
-
 	rl_reset_line_state();
 
 	if (line == NULL) {
-- 
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