From ed6373ac1a82f3842af49346b33170e38c58ec8d Mon Sep 17 00:00:00 2001
From: Jesse van den Kieboom <jessevdk@gmail.com>
Date: Tue, 15 Nov 2005 11:59:11 +0000
Subject: [PATCH] Added functions, fixed functions for utf-8

---
 gnoemoe/gm-string.c | 105 +++++++++++++++++++++++++++++++++++++++-----
 gnoemoe/gm-string.h |  31 +++----------
 2 files changed, 100 insertions(+), 36 deletions(-)

diff --git a/gnoemoe/gm-string.c b/gnoemoe/gm-string.c
index 0c46e40..0712999 100644
--- a/gnoemoe/gm-string.c
+++ b/gnoemoe/gm-string.c
@@ -188,16 +188,97 @@ gm_string_trim(const gchar *str) {
   }
 }
 
-void
-gm_string_remove_char(char *str, char rem) {
-  int i, j = 0;
-
-  for (i = 0; str[i] != '\0'; i++) {
-    if (str[i] != rem) {
-      str[j] = str[i];
-      j++;
-    }
-  }
-
-  str[j] = '\0';
+gchar *
+gm_string_remove_char(gchar *str, gchar rem) {
+	gchar *ptr = str;
+	gboolean changed = FALSE;
+	gunichar c;
+		
+	while (*str != '\0') {
+		c = g_utf8_get_char(str);
+		
+		if (c != (gunichar)rem) {
+			if (changed) {
+				ptr += g_unichar_to_utf8(c, ptr);
+				++ptr;
+			} else {
+				ptr = g_utf8_next_char(ptr);
+			}
+		} else {
+			changed = TRUE;
+		}
+		
+		str = g_utf8_next_char(str);
+	}
+	
+	*ptr = '\0';
+	
+	return str;
+}
+
+void
+gm_string_skip_space(gchar const **ptr) {
+	while (**ptr != '\0' && g_unichar_isspace(g_utf8_get_char(*ptr))) {
+		*ptr = g_utf8_next_char(*ptr);
+	}
+}
+
+void
+gm_string_skip_nonspace(gchar const **ptr) {
+	while (**ptr != '\0' && !g_unichar_isspace(g_utf8_get_char(*ptr))) {
+		*ptr = g_utf8_next_char(*ptr);
+	}
+}
+
+void
+gm_string_skip_till(gchar const **ptr, gchar const *find) {
+	gchar const *fptr;
+	gunichar check;
+	
+	while (**ptr != '\0') {
+		check = g_utf8_get_char(*ptr);
+		
+		for	(fptr = find; *fptr; ++fptr) {
+			// CHECK: find should also be treated as utf8!
+			if (check == (gunichar)(*fptr)) {
+				return;
+			}
+		}
+		
+		*ptr = g_utf8_next_char(*ptr);
+	}
+}
+
+gchar *
+gm_string_escape(gchar const *line) {
+	GString *new_line;
+	gchar *ptr;
+	gunichar c;
+
+	if (*line == '\0') {
+		return g_strdup("");
+	}
+
+	if (g_utf8_strchr(line, '"', -1) || g_utf8_strchr(line, '\\', -1)) {
+		// We need at least strlen(line)
+		new_line = g_string_sized_new(strlen(line));
+		
+		while (*line != '\0') {
+			c = g_utf8_get_char(line);
+			
+			if (c == '"' || c == '\\') {
+				g_string_append_c(new_line, '\\');
+			}
+			
+			g_string_append_unichar(new_line, c);
+	    	line = g_utf8_next_char(line);
+		}
+		
+		ptr = new_line->str;
+		g_string_free(new_line, FALSE);
+		
+		return ptr;
+	} else {
+		return g_strdup(line);
+	}
 }
diff --git a/gnoemoe/gm-string.h b/gnoemoe/gm-string.h
index 9bd2b03..ab0b876 100644
--- a/gnoemoe/gm-string.h
+++ b/gnoemoe/gm-string.h
@@ -4,33 +4,16 @@
 #include <string.h>
 #include <stdlib.h>
 
-/*typedef struct _stringlist_item stringlist_item;
-struct _stringlist_item {
-  char *data;
-
-  stringlist_item *next;
-  stringlist_item *prev;
-};
-
-typedef struct _stringlist stringlist;
-struct _stringlist {
-  stringlist_item *firstItem;
-  stringlist_item *lastItem;
-
-  unsigned int count;
-};
-
-void stringlist_add(stringlist * strl, char *data);
-void stringlist_remove(stringlist * strl, stringlist_item * removed);
-stringlist *stringlist_create(char *argstr, char *delim);
-void stringlist_destroy(stringlist * strl);
-char *stringlist_glue_it(stringlist * strl, char *glue);
-*/
-
 int gm_string_to_int(const gchar *str, int *result);
 char *gm_string_catn(char *str, char *add, unsigned int n);
 char *gm_string_cat(char *str, char *add);
 char *gm_string_trim(const gchar *str);
-void gm_string_remove_char(char *str, char rem);
+gchar *gm_string_remove_char(gchar *str, gchar rem);
+
+void gm_string_skip_space(gchar const **ptr);
+void gm_string_skip_nonspace(gchar const **ptr);
+void gm_string_skip_till(gchar const **ptr, gchar const *find);
+
+gchar *gm_string_escape(gchar const *line);
 
 #endif