NSString(OOJavaScriptExtensions) Category Reference

#include <OOJavaScriptEngine.h>

Instance Methods
(NSString *)	- escapedForJavaScriptLiteral
(jsval)	- oo_jsValueInContext: [implementation]
(NSString *)	- oo_jsClassName [implementation]

Class Methods
(NSString *)	+ stringWithJavaScriptParameters:count:inContext:
(NSString *)	+ concatenationOfStringsFromJavaScriptValues:count:separator:inContext:

Detailed Description

Definition at line 323 of file OOJavaScriptEngine.h.

Method Documentation

concatenationOfStringsFromJavaScriptValues:count:separator:inContext:

+ (NSString *) concatenationOfStringsFromJavaScriptValues:		(jsval *)	values
count:		(size_t)	count
separator:		(NSString *)	separator
inContext:		(JSContext *)	context

Definition at line 622 of file OOJavaScriptEngine.m.

                                                         :(jsval *)values count:(size_t)count separator:(NSString *)separator inContext:(JSContext *)context
{
    OOJS_PROFILE_ENTER
    
    size_t                  i;
    NSMutableString         *result = nil;
    NSString                *element = nil;
    
    if (count < 1) return nil;
    if (values == NULL) return NULL;
    
    for (i = 0; i != count; ++i)
    {
        element = OOStringFromJSValueEvenIfNull(context, values[i]);
        if (result == nil)  result = [[element mutableCopy] autorelease];
        else
        {
            if (separator != nil)  [result appendString:separator];
            [result appendString:element];
        }
    }
    
    return result;
    
    OOJS_PROFILE_EXIT
}

References OOJSDumpStack(), OOJSPauseTimeLimiter(), OOJSResumeTimeLimiter(), and OOLog.

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escapedForJavaScriptLiteral

- (NSString *) escapedForJavaScriptLiteral

Definition at line 622 of file OOJavaScriptEngine.m.

{
    OOJS_PROFILE_ENTER
    
    NSMutableString         *result = nil;
    NSUInteger              i, length;
    unichar                 c;
    NSAutoreleasePool       *pool = nil;
    
    length = [self length];
    result = [NSMutableString stringWithCapacity:length];
    
    // Not hugely efficient.
    pool = [[NSAutoreleasePool alloc] init];
    for (i = 0; i != length; ++i)
    {
        c = [self characterAtIndex:i];
        switch (c)
        {
            case '\\':
                [result appendString:@"\\\\"];
                break;
                
            case '\b':
                [result appendString:@"\\b"];
                break;
                
            case '\f':
                [result appendString:@"\\f"];
                break;
                
            case '\n':
                [result appendString:@"\\n"];
                break;
                
            case '\r':
                [result appendString:@"\\r"];
                break;
                
            case '\t':
                [result appendString:@"\\t"];
                break;
                
            case '\v':
                [result appendString:@"\\v"];
                break;
                
            case '\'':
                [result appendString:@"\\\'"];
                break;
                
            case '\"':
                [result appendString:@"\\\""];
                break;
            
            default:
                [result appendString:[NSString stringWithCharacters:&c length:1]];
        }
    }
    [pool release];
    return result;
    
    OOJS_PROFILE_EXIT
}

oo_jsClassName

- (NSString *) oo_jsClassName

implementation

Definition at line 622 of file OOJavaScriptEngine.m.

{
    return @"String";
}

oo_jsValueInContext:

- (jsval) oo_jsValueInContext: (JSContext *)  context

implementation

Definition at line 622 of file OOJavaScriptEngine.m.

                             :(JSContext *)context
{
    OOJS_PROFILE_ENTER
    
    size_t                  length = [self length];
    unichar                 *buffer = NULL;
    JSString                *string = NULL;
    
    if (length == 0)
    {
        jsval result = JS_GetEmptyStringValue(context);
        return result;
    }
    else
    {
        buffer = malloc(length * sizeof *buffer);
        if (buffer == NULL) return JSVAL_VOID;
        
        [self getCharacters:buffer];
        
        string = JS_NewUCStringCopyN(context, buffer, length);
        
        free(buffer);
        return STRING_TO_JSVAL(string);
    }
    
    OOJS_PROFILE_EXIT_JSVAL
}

stringWithJavaScriptParameters:count:inContext:

+ (NSString *) stringWithJavaScriptParameters:		(jsval *)	params
count:		(uintN)	count
inContext:		(JSContext *)	context

Definition at line 622 of file OOJavaScriptEngine.m.

                                             :(jsval *)params count:(uintN)count inContext:(JSContext *)context
{
    OOJS_PROFILE_ENTER
    
    if (params == NULL && count != 0) return nil;
    
    uintN                   i;
    NSMutableString         *result = [NSMutableString stringWithString:@"("];
    
    for (i = 0; i < count; ++i)
    {
        if (i != 0)  [result appendString:@", "];
        [result appendString:OOJSDescribeValue(context, params[i], NO)];
    }
    
    [result appendString:@")"];
    return result;
    
    OOJS_PROFILE_EXIT
}

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The documentation for this category was generated from the following files:

• src/Core/Scripting/OOJavaScriptEngine.h
• src/Core/Scripting/OOJavaScriptEngine.m