Added TextTrim function

Added TextRightTrim
Added TextLeftTrim

src/raylib.h

@@ -1184,6 +1184,9 @@ RLAPI const char *TextToUpper(const char *text);                      // Get upp
 RLAPI const char *TextToLower(const char *text);                      // Get lower case version of provided string
 RLAPI const char *TextToPascal(const char *text);                     // Get Pascal case notation version of provided string
 RLAPI int TextToInteger(const char *text);                            // Get integer value from text (negative values not supported)
+RLAPI const char *TextTrim(const char *text, char trimChar);          // Removes all chars equal to trimChar from the begining and end of the given text (memory should be freed!)
+RLAPI const char *TextRightTrim(const char *text, char trimChar);     // Removes all chars equal to trimChar from the end of the given text (memory should be freed!)
+RLAPI const char *TextLeftTrim(const char *text, char trimChar);      // Removes all chars equal to trimChar from the begining of the given text (memory should be freed!)
 
 //------------------------------------------------------------------------------------
 // Basic 3d Shapes Drawing Functions (Module: models)

src/text.c

@@ -1089,6 +1089,78 @@ const char *TextSubtext(const char *text, int position, int length)
     return buffer;
 }
 
+// removes a specific char from the begining of a string
+// REQUIRES: strlen()
+const char *TextLeftTrim(const char *text, char trimChar)
+{
+    int textLength = strlen(text);
+    int leftOffset = 0;
+    for(leftOffset; leftOffset < textLength; leftOffset++)
+    {
+        if(*(text + leftOffset) != trimChar)
+            break;
+    }
+    const char *subText = TextSubtext(text, leftOffset, textLength-leftOffset);
+    int subTextLength = strlen(subText);
+    char *result = malloc(subTextLength+1);
+
+    if (!result) return NULL;   // Memory could not be allocated
+
+    strcpy(result, subText);
+    *(result+subTextLength) = '\0';
+    return result;
+}
+
+// removes all char from the end of a string
+// REQUIRES: strlen()
+const char *TextRightTrim(const char *text, char trimChar)
+{
+    int textLength = strlen(text);
+    int rightOffset = textLength-1;
+    for(rightOffset; -1 < rightOffset; rightOffset--)
+    {
+        if(*(text + rightOffset) != trimChar)
+            break;
+    }
+    const char *subText = TextSubtext(text, 0, rightOffset+1);
+    int subTextLength = strlen(subText);
+    char *result = malloc(subTextLength+1);
+
+    if (!result) return NULL;   // Memory could not be allocated
+
+    strcpy(result, subText);
+    *(result+subTextLength) = '\0';
+    return result;
+}
+
+// removes a specific char from the begining of a string
+// REQUIRES: strlen()
+const char *TextTrim(const char *text, char trimChar)
+{
+    int textLength = strlen(text);
+    int leftOffset = 0;
+    for(leftOffset; leftOffset < textLength; leftOffset++)
+    {
+        if(*(text + leftOffset) != trimChar)
+            break;
+    }
+    int rightOffset = textLength-1;
+    for(rightOffset; leftOffset < rightOffset; rightOffset--)
+    {
+        if(*(text + rightOffset) != trimChar)
+            break;
+    }
+    const char *subText = TextSubtext(text, leftOffset, rightOffset+1-leftOffset);
+    int subTextLength = strlen(subText);
+    char *result = malloc(subTextLength+1);
+
+    if (!result) return NULL;   // Memory could not be allocated
+
+    strcpy(result, subText);
+    *(result+subTextLength) = '\0';
+    return result;
+}
+
 // Replace text string
 // REQUIRES: strlen(), strstr(), strncpy(), strcpy()
 // WARNING: Internally allocated memory must be freed by the user (if return != NULL)