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//  VVDocumenter.m
//  VVDocumenter-Xcode
//  Created by 王 巍 on 13-7-17.
//  Copyright (c) 2015 Wei Wang <onevcat@gmail.com>
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
#import "VVDocumenter.h"
#import "NSString+VVSyntax.h"
#import "VVCommenter.h"
@interface VVDocumenter()
@property (nonatomic, copy) NSString *code;
@property (nonatomic, assign) BOOL isEnum;
@property (nonatomic, assign) BOOL isSwiftEnum;
@implementation VVDocumenter
-(instancetype) initWithCode:(NSString *)code
    self = [super init];
    if (self) {
        NSString *trimmed = [[code vv_stringByReplacingRegexPattern:@"\\s*(\\(.*\?\\))\\s*" withString:@"$1"]
                             vv_stringByReplacingRegexPattern:@"\\s*\n\\s*"           withString:@" "];
        _isEnum = [trimmed vv_isEnum];
        _isSwiftEnum = [trimmed vv_isSwiftEnum];
        if (_isEnum || _isSwiftEnum) {
            _code = code;
        } else {
            //Trim the space around the braces
            //Then trim the new line character
            _code = trimmed;
    return self;
-(NSString *) baseIndentation
    NSArray *matchedSpaces = [self.code vv_stringsByExtractingGroupsUsingRegexPattern:@"^(\\s*)"];
    if (matchedSpaces.count > 0) {
        return matchedSpaces[0];
    } else {
        return @"";
-(NSString *) document
    NSString *trimCode = [self.code stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
    NSString *baseIndent = [self baseIndentation];
    VVBaseCommenter *commenter = nil;
    if (self.isEnum) {    
        commenter = [[VVEnumCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if (self.isSwiftEnum) {
        commenter = [[VVSwiftEnumCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isProperty]) {
        commenter = [[VVPropertyCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isCFunction]) {
        commenter = [[VVFunctionCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isMacro]) {
        commenter = [[VVMacroCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isStruct]) {
        commenter = [[VVStructCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isUnion]) {
        commenter = [[VVStructCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isObjCMethod]) {
        commenter = [[VVMethodCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isSwiftFunction]) {
        commenter = [[VVSwiftFunctionCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isSwiftProperty]) {
        commenter = [[VVSwiftPropertyCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else if ([trimCode vv_isSwiftExtension]) {
        commenter = [[VVSwiftExtensionCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    } else {
        commenter = [[VVVariableCommenter alloc] initWithIndentString:baseIndent codeString:trimCode];
    if ([commenter shouldComment]) {
        return [commenter document];
    } else {
        return nil;
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