MutableString.c File Reference

#include "Config.h"
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "MutableString.h"

Go to the source code of this file.

Macros
#define	_Class   _MutableString

Functions
Class *	_MutableString (void)
static void	appendCharacters (MutableString *self, const char *chars)
static void	appendFormat (MutableString *self, const char *fmt,...)
static void	appendString (MutableString *self, const String *string)
static void	appendVaList (MutableString *self, const char *fmt, va_list args)
static Object *	copy (const Object *self)
static void	deleteCharactersInRange (MutableString *self, const Range range)
static MutableString *	init (MutableString *self)
static void	initialize (Class *clazz)
static MutableString *	initWithCapacity (MutableString *self, size_t capacity)
static MutableString *	initWithString (MutableString *self, const String *string)
static void	insertCharactersAtIndex (MutableString *self, const char *chars, size_t index)
static void	insertStringAtIndex (MutableString *self, const String *string, size_t index)
MutableString *	mstr (const char *fmt,...)
static void	replaceCharactersInRange (MutableString *self, const Range range, const char *chars)
static void	replaceOccurrencesOfCharacters (MutableString *self, const char *chars, const char *replacement)
static void	replaceOccurrencesOfCharactersInRange (MutableString *self, const char *chars, const Range range, const char *replacement)
static void	replaceOccurrencesOfString (MutableString *self, const String *string, const String *replacement)
static void	replaceOccurrencesOfStringInRange (MutableString *self, const String *string, const Range range, const String *replacement)
static void	replaceStringInRange (MutableString *self, const Range range, const String *string)
static MutableString *	string (void)
static MutableString *	stringWithCapacity (size_t capacity)
static void	trim (MutableString *self)

Macro Definition Documentation

_Class

#define _Class   _MutableString

Definition at line 34 of file MutableString.c.

Function Documentation

_MutableString()

Class * _MutableString

(

void

)

Definition at line 359 of file MutableString.c.

                            {
    static Class *clazz;
    static Once once;
 
    do_once(&once, {
        clazz = _initialize(&(const ClassDef) {
            .name = "MutableString",
            .superclass = _String(),
            .instanceSize = sizeof(MutableString),
            .interfaceOffset = offsetof(MutableString, interface),
            .interfaceSize = sizeof(MutableStringInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}

appendCharacters()

static void appendCharacters ( MutableString *  self, const char *  chars  )

static

Definition at line 54 of file MutableString.c.

                                                                     {
 
    if (chars) {
 
        const size_t len = strlen(chars);
        if (len) {
 
            const size_t newSize = self->string.length + strlen(chars) + 1;
            const size_t newCapacity = (newSize / _pageSize + 1) * _pageSize;
 
            if (newCapacity > self->capacity) {
 
                if (self->string.length) {
                    self->string.chars = realloc(self->string.chars, newCapacity);
                } else {
                    self->string.chars = malloc(newCapacity);
                }
 
                assert(self->string.chars);
                self->capacity = newCapacity;
            }
 
            ident ptr = self->string.chars + self->string.length;
            memmove(ptr, chars, len);
 
            self->string.chars[newSize - 1] = '\0';
            self->string.length += len;
        }
    }
}

appendFormat()

static void appendFormat ( MutableString *  self, const char *  fmt,   ...  )

static

Definition at line 89 of file MutableString.c.

                                                                    {
 
    va_list args;
    va_start(args, fmt);
 
    $(self, appendVaList, fmt, args);
 
    va_end(args);
}

appendString()

static void appendString ( MutableString *  self, const String *  string  )

static

Definition at line 103 of file MutableString.c.

                                                                    {
 
    if (string) {
        $(self, appendCharacters, string->chars);
    }
}

appendVaList()

static void appendVaList ( MutableString *  self, const char *  fmt, va_list  args  )

static

Definition at line 114 of file MutableString.c.

                                                                             {
    char *chars;
 
    const int len = vasprintf(&chars, fmt, args);
    if (len > 0) {
        $(self, appendCharacters, chars);
    }
 
    free(chars);
}

copy()

static Object * copy ( const Object *  self )

static

See also

Object::copy(const Object *)

Definition at line 41 of file MutableString.c.

                                        {
 
    const String *this = (String *) self;
 
    return (Object *) $(alloc(MutableString), initWithString, this);
}

deleteCharactersInRange()

static void deleteCharactersInRange ( MutableString *  self, const Range  range  )

static

Definition at line 129 of file MutableString.c.

                                                                            {
 
    assert(range.location >= 0);
    assert(range.length <= self->string.length);
 
    ident ptr = self->string.chars + range.location;
    const size_t length = self->string.length - range.location - range.length + 1;
 
    memmove(ptr, ptr + range.length, length);
 
    self->string.length -= range.length;
}

init()

static MutableString * init ( MutableString *  self )

static

Definition at line 146 of file MutableString.c.

                                                {
    return $(self, initWithCapacity, 0);
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 330 of file MutableString.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->copy = copy;
 
    ((MutableStringInterface *) clazz->interface)->appendCharacters = appendCharacters;
    ((MutableStringInterface *) clazz->interface)->appendFormat = appendFormat;
    ((MutableStringInterface *) clazz->interface)->appendString = appendString;
    ((MutableStringInterface *) clazz->interface)->appendVaList = appendVaList;
    ((MutableStringInterface *) clazz->interface)->deleteCharactersInRange = deleteCharactersInRange;
    ((MutableStringInterface *) clazz->interface)->init = init;
    ((MutableStringInterface *) clazz->interface)->initWithCapacity = initWithCapacity;
    ((MutableStringInterface *) clazz->interface)->initWithString = initWithString;
    ((MutableStringInterface *) clazz->interface)->insertCharactersAtIndex = insertCharactersAtIndex;
    ((MutableStringInterface *) clazz->interface)->insertStringAtIndex = insertStringAtIndex;
    ((MutableStringInterface *) clazz->interface)->replaceCharactersInRange = replaceCharactersInRange;
    ((MutableStringInterface *) clazz->interface)->replaceOccurrencesOfCharacters = replaceOccurrencesOfCharacters;
    ((MutableStringInterface *) clazz->interface)->replaceOccurrencesOfCharactersInRange = replaceOccurrencesOfCharactersInRange;
    ((MutableStringInterface *) clazz->interface)->replaceOccurrencesOfString = replaceOccurrencesOfString;
    ((MutableStringInterface *) clazz->interface)->replaceOccurrencesOfStringInRange = replaceOccurrencesOfStringInRange;
    ((MutableStringInterface *) clazz->interface)->replaceStringInRange = replaceStringInRange;
    ((MutableStringInterface *) clazz->interface)->string = string;
    ((MutableStringInterface *) clazz->interface)->stringWithCapacity = stringWithCapacity;
    ((MutableStringInterface *) clazz->interface)->trim = trim;
}

initWithCapacity()

static MutableString * initWithCapacity ( MutableString *  self, size_t  capacity  )

static

Definition at line 154 of file MutableString.c.

                                                                             {
 
    self = (MutableString *) super(String, self, initWithMemory, NULL, 0);
    if (self) {
        if (capacity) {
            self->string.chars = calloc(capacity, sizeof(char));
            assert(self->string.chars);
 
            self->capacity = capacity;
        }
    }
 
    return self;
}

initWithString()

static MutableString * initWithString ( MutableString *  self, const String *  string  )

static

Definition at line 173 of file MutableString.c.

                                                                                {
 
    self = $(self, init);
    if (self) {
        $(self, appendString, string);
    }
 
    return self;
}

insertCharactersAtIndex()

static void insertCharactersAtIndex ( MutableString *  self, const char *  chars, size_t  index  )

static

Definition at line 187 of file MutableString.c.

                                                                                          {
 
    const Range range = { .location = index };
 
    $(self, replaceCharactersInRange, range, chars);
}

insertStringAtIndex()

static void insertStringAtIndex ( MutableString *  self, const String *  string, size_t  index  )

static

Definition at line 198 of file MutableString.c.

                                                                                         {
 
    $(self, insertCharactersAtIndex, string->chars, index);
}

mstr()

MutableString * mstr ( const char *  fmt,   ...  )

related

Definition at line 379 of file MutableString.c.

                                          {
 
    MutableString *string = $$(MutableString, string);
 
    va_list args;
    va_start(args, fmt);
 
    $(string, appendVaList, fmt, args);
 
    va_end(args);
    return string;
}

replaceCharactersInRange()

static void replaceCharactersInRange ( MutableString *  self, const Range  range, const char *  chars  )

static

Definition at line 207 of file MutableString.c.

                                                                                                {
 
    assert(range.location >= 0);
    assert(range.location + range.length <= self->string.length);
 
    if (self->capacity == 0) {
        $(self, appendCharacters, chars);
    } else {
        char *remainder = strdup(self->string.chars + range.location + range.length);
 
        self->string.length = range.location;
        self->string.chars[range.location + 1] = '\0';
 
        $(self, appendCharacters, chars);
        $(self, appendCharacters, remainder);
 
        free(remainder);
    }
}

replaceOccurrencesOfCharacters()

static void replaceOccurrencesOfCharacters ( MutableString *  self, const char *  chars, const char *  replacement  )

static

Definition at line 231 of file MutableString.c.

                                                                                                            {
    $(self, replaceOccurrencesOfCharactersInRange, chars, (Range) { .length = self->string.length }, replacement);
}

replaceOccurrencesOfCharactersInRange()

static void replaceOccurrencesOfCharactersInRange ( MutableString *  self, const char *  chars, const Range  range, const char *  replacement  )

static

Definition at line 239 of file MutableString.c.

                                                                                                                                      {
 
    assert(chars);
    assert(replacement);
 
    assert(range.location >= 0);
    assert(range.location + range.length <= self->string.length);
 
    Range search = range;
    while (true) {
 
        const Range result = $((String *) self, rangeOfCharacters, chars, search);
        if (result.location == -1) {
            break;
        }
 
        $(self, replaceCharactersInRange, result, replacement);
 
        search.length -= (result.location - search.location);
        search.length -= strlen(replacement);
        search.length += ((int) strlen(replacement) - (int) strlen(chars));
 
        search.location = result.location + strlen(replacement);
    }
}

replaceOccurrencesOfString()

static void replaceOccurrencesOfString ( MutableString *  self, const String *  string, const String *  replacement  )

static

Definition at line 269 of file MutableString.c.

                                                                                                             {
    $(self, replaceOccurrencesOfStringInRange, string, (Range) { .length = self->string.length }, replacement);
}

replaceOccurrencesOfStringInRange()

static void replaceOccurrencesOfStringInRange ( MutableString *  self, const String *  string, const Range  range, const String *  replacement  )

static

Definition at line 277 of file MutableString.c.

                                                                                                                                       {
 
    assert(string);
    assert(replacement);
 
    $(self, replaceOccurrencesOfCharactersInRange, string->chars, range, replacement->chars);
}

replaceStringInRange()

static void replaceStringInRange ( MutableString *  self, const Range  range, const String *  string  )

static

Definition at line 289 of file MutableString.c.

                                                                                               {
 
    $(self, replaceCharactersInRange, range, string->chars);
}

string()

static MutableString * string ( void  )

static

Definition at line 298 of file MutableString.c.

                                   {
 
    return $(alloc(MutableString), init);
}

stringWithCapacity()

static MutableString * stringWithCapacity ( size_t  capacity )

static

Definition at line 307 of file MutableString.c.

                                                          {
 
    return $(alloc(MutableString), initWithCapacity, capacity);
}

trim()

static void trim ( MutableString *  self )

static

Definition at line 316 of file MutableString.c.

                                      {
 
    String *trimmed = $((String *) self, trimmedString);
 
    $(self, replaceStringInRange, (const Range) { .length = self->string.length }, trimmed);
 
    release(trimmed);
}