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//
// MSQLSyntaxColoring.m
// MySQLGUICommon
//
// Created by Alfredo Kojima on 5/20/05.
// Copyright 2005 MySQL AB. All rights reserved.
//
#import "MSQLSyntaxColoring.h"
static NSString *tokenNames[]= {
@"NormalColor",
@"IdentifierColor",
@"IdentifierColor",
@"CommentColor",
@"StringColor",
@"SymbolColor",
@"FunctionColor"
};
@implementation MSQLSyntaxColoring
- (id)initForTextView:(NSTextView*)textView
syntaxInfo:(MYX_SYN*)info
{
self= [super initForTextView:textView];
if (self)
{
_syn= info;
_hl= myx_init_sql_parsing(_syn);
}
return self;
}
- (void)dealloc
{
myx_free_sql_highlighting(_hl);
[super dealloc];
}
- (void)recolorRange:(NSRange)charRange
{
NSRange lineRange= [self lineRangeForCharacterRange:charRange];
if (lineRange.location != NSNotFound)
{
NSString *string= [[_textView textStorage] string];
unsigned int stringLength= [string length];
unsigned int line;
for (line= lineRange.location; line <= NSMaxRange(lineRange); line++)
{
unsigned int i;
NSRange range;
range= [self characterRangeOfLine:line];
[[_textView layoutManager] removeTemporaryAttribute:NSForegroundColorAttributeName
forCharacterRange:range];
myx_highlight(_hl, [[string substringWithRange:range] UTF8String], line);
for (i= 0; i < _hl->words_num; i++)
{
NSRange wordRange;
if (_hl->words[i].word_begin == _hl->words[i].word_end)
continue;
wordRange= NSMakeRange(_hl->words[i].word_begin + range.location,
MIN(_hl->words[i].word_end-_hl->words[i].word_begin+1, stringLength-_hl->words[i].word_begin));
[[_textView layoutManager] addTemporaryAttributes:[_colors objectForKey:tokenNames[_hl->words[i].word_type]]
forCharacterRange:wordRange];
}
}
}
}
- (NSArray*)completionListForWord:(NSString*)word
{
MYX_SYN_SUGGESTIONS *sugg= myx_lookup_word(_syn, [word UTF8String]);
if (sugg)
{
unsigned int i;
NSMutableArray *array= [NSMutableArray arrayWithCapacity:sugg->suggestions_num];
for (i= 0; i < sugg->suggestions_num; i++)
{
if (strncasecmp(sugg->suggestions[i].name, [word UTF8String], [word length])==0)
{
if (sugg->suggestions[i].s_type == MYX_SYN_SYMBOL && [word canBeConvertedToEncoding:NSASCIIStringEncoding])
{
char *tmp= g_strdup([word UTF8String]);
int j;
BOOL lower= NO;
// if this is a symbol, it's probably in all upper, so we'll try to
// match whatever case is the user's word
for (j= 0; tmp[j] && sugg->suggestions[i].name[j]; j++)
{
if (islower(tmp[j]))
{
sugg->suggestions[i].name[j]= tolower(sugg->suggestions[i].name[j]);
lower= YES;
}
}
if (lower)
{
for (; sugg->suggestions[i].name[j]; j++)
sugg->suggestions[i].name[j]= tolower(sugg->suggestions[i].name[j]);
}
}
[array addObject:[NSString stringWithUTF8String:sugg->suggestions[i].name]];
}
}
myx_free_syn_suggestions(sugg);
return array;
}
return nil;
}
@end
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