First version split into asnes and bsnes.

nall/string/trim.hpp

@@ -0,0 +1,61 @@
+#ifndef NALL_STRING_TRIM_HPP
+#define NALL_STRING_TRIM_HPP
+
+namespace nall {
+
+char* ltrim(char *str, const char *key) {
+  if(!key || !*key) return str;
+  while(strbegin(str, key)) {
+    char *dest = str, *src = str + strlen(key);
+    while(true) {
+      *dest = *src++;
+      if(!*dest) break;
+      dest++;
+    }
+  }
+  return str;
+}
+
+char* rtrim(char *str, const char *key) {
+  if(!key || !*key) return str;
+  while(strend(str, key)) str[strlen(str) - strlen(key)] = 0;
+  return str;
+}
+
+char* trim(char *str, const char *key) {
+  return ltrim(rtrim(str, key), key);
+}
+
+char* ltrim_once(char *str, const char *key) {
+  if(!key || !*key) return str;
+  if(strbegin(str, key)) {
+    char *dest = str, *src = str + strlen(key);
+    while(true) {
+      *dest = *src++;
+      if(!*dest) break;
+      dest++;
+    }
+  }
+  return str;
+}
+
+char* rtrim_once(char *str, const char *key) {
+  if(!key || !*key) return str;
+  if(strend(str, key)) str[strlen(str) - strlen(key)] = 0;
+  return str;
+}
+
+char* trim_once(char *str, const char *key) {
+  return ltrim_once(rtrim_once(str, key), key);
+}
+
+string& string::ltrim(const char *key) { nall::ltrim(data, key); return *this; }
+string& string::rtrim(const char *key) { nall::rtrim(data, key); return *this; }
+string& string::trim (const char *key) { nall::trim (data, key); return *this; }
+string& string::ltrim_once(const char *key) { nall::ltrim_once(data, key); return *this; }
+string& string::rtrim_once(const char *key) { nall::rtrim_once(data, key); return *this; }
+string& string::trim_once (const char *key) { nall::trim_once (data, key); return *this; }
+
+}
+
+#endif