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-rw-r--r--tikzit-old/src/common/TikzGraphAssembler.m310
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diff --git a/tikzit-old/src/common/TikzGraphAssembler.m b/tikzit-old/src/common/TikzGraphAssembler.m
deleted file mode 100644
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--- a/tikzit-old/src/common/TikzGraphAssembler.m
+++ /dev/null
@@ -1,310 +0,0 @@
-//
-// TikzGraphAssembler.m
-// TikZiT
-//
-// Copyright 2010 Aleks Kissinger. All rights reserved.
-//
-//
-// This file is part of TikZiT.
-//
-// TikZiT is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// TikZiT is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
-//
-
-#import "TikzGraphAssembler.h"
-#import "tikzparserdefs.h"
-#import "tikzparser.h"
-#import "TikzGraphAssembler+Parser.h"
-#import "tikzlexer.h"
-#import "NSError+Tikzit.h"
-
-@implementation TikzGraphAssembler
-
-- (id)init {
-#if ! __has_feature(objc_arc)
- [self release];
-#endif
- return nil;
-}
-
-- (id)initWithGraph:(Graph*)g {
- self = [super init];
- if (self) {
-#if __has_feature(objc_arc)
- graph = g;
-#else
- graph = [g retain];
-#endif
- nodeMap = [[NSMutableDictionary alloc] init];
- yylex_init (&scanner);
- yyset_extra(self, scanner);
- }
- return self;
-}
-
-- (void)dealloc {
-#if ! __has_feature(objc_arc)
- [graph release];
- [nodeMap release];
- [lastError release];
- yylex_destroy (scanner);
- [super dealloc];
-#endif
-}
-
-- (BOOL) parseTikz:(NSString*)t error:(NSError**)error {
-#if ! __has_feature(objc_arc)
- NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-#endif
-
- tikzStr = [t UTF8String];
- yy_scan_string(tikzStr, scanner);
- int result = yyparse(scanner);
- tikzStr = NULL;
-
-#if ! __has_feature(objc_arc)
- [pool drain];
-#endif
-
- if (result == 0) {
- return YES;
- } else {
- if (error) {
- if (lastError) {
-#if __has_feature(objc_arc)
- *error = lastError;
-#else
- *error = [[lastError retain] autorelease];
-#endif
- } else if (result == 1) {
- *error = [NSError errorWithMessage:@"Syntax error"
- code:TZ_ERR_PARSE];
- } else if (result == 2) {
- *error = [NSError errorWithMessage:@"Insufficient memory"
- code:TZ_ERR_PARSE];
- } else {
- *error = [NSError errorWithMessage:@"Unknown error"
- code:TZ_ERR_PARSE];
- }
- }
- return NO;
- }
-}
-
-+ (BOOL) parseTikz:(NSString*)tikz forGraph:(Graph*)gr {
- return [self parseTikz:tikz forGraph:gr error:NULL];
-}
-+ (Graph*) parseTikz:(NSString*)tikz error:(NSError**)e {
- Graph *gr = [[Graph alloc] init];
- if ([self parseTikz:tikz forGraph:gr error:e]) {
-#if __has_feature(objc_arc)
- return gr;
-#else
- return [gr autorelease];
-#endif
- } else {
-#if ! __has_feature(objc_arc)
- [gr release];
-#endif
- return nil;
- }
-}
-+ (Graph*) parseTikz:(NSString*)tikz {
- return [self parseTikz:tikz error:NULL];
-}
-
-+ (BOOL) parseTikz:(NSString*)tikz forGraph:(Graph*)gr error:(NSError**)error {
- if([tikz length] == 0) {
- // empty string -> empty graph
- return YES;
- }
-
- TikzGraphAssembler *assembler = [[self alloc] initWithGraph:gr];
- BOOL success = [assembler parseTikz:tikz error:error];
-#if ! __has_feature(objc_arc)
- [assembler release];
-#endif
- return success;
-}
-
-+ (BOOL)validateTikzPropertyNameOrValue:(NSString*)tikz {
- BOOL valid;
-
- NSString * testTikz = [NSString stringWithFormat: @"{%@}", tikz];
-
- void *scanner;
- yylex_init (&scanner);
- yyset_extra(nil, scanner);
- yy_scan_string([testTikz UTF8String], scanner);
- YYSTYPE lval;
- YYLTYPE lloc;
- int result = yylex(&lval, &lloc, scanner);
- valid = (result == DELIMITEDSTRING) &&
- (yyget_leng(scanner) == [testTikz length]);
- yylex_destroy(scanner);
-
- return valid;
-}
-
-+ (BOOL)validateTikzEdgeAnchor:(NSString*)tikz {
- if ([tikz length] == 0)
- return YES;
-
- BOOL valid = YES;
-
- NSString * testTikz = [NSString stringWithFormat: @"(1.%@)", tikz];
-
- void *scanner;
- yylex_init (&scanner);
- yyset_extra(nil, scanner);
- yy_scan_string([testTikz UTF8String], scanner);
- YYSTYPE lval;
- YYLTYPE lloc;
- valid = valid && (yylex(&lval, &lloc, scanner) == LEFTPARENTHESIS);
- valid = valid && (yylex(&lval, &lloc, scanner) == REFSTRING);
- valid = valid && (yylex(&lval, &lloc, scanner) == FULLSTOP);
- valid = valid && (yylex(&lval, &lloc, scanner) == REFSTRING);
- valid = valid && (yylex(&lval, &lloc, scanner) == RIGHTPARENTHESIS);
- valid = valid && (lloc.last_column == [testTikz length]);
- yylex_destroy(scanner);
-
- return valid;
-}
-
-@end
-
-@implementation TikzGraphAssembler (Parser)
-- (Graph*)graph { return graph; }
-
-- (void)addNodeToMap:(Node*)n {
- [nodeMap setObject:n forKey:[n name]];
-}
-
-- (Node*)nodeWithName:(NSString*)name {
- return [nodeMap objectForKey:name];
-}
-
-- (void) setLastError:(NSError*)error {
-#if ! __has_feature(objc_arc)
- [error retain];
- [lastError release];
-#endif
- lastError = error;
-}
-
-- (void) reportError:(const char *)message atLocation:(YYLTYPE*)yylloc {
- NSString *nsmsg = [NSString stringWithUTF8String:message];
-
- const char *first_line_start = find_start_of_nth_line (
- tikzStr, yylloc->first_line - 1);
- const char *last_line_start = find_start_of_nth_line (
- first_line_start, yylloc->last_line - yylloc->first_line);
- const char *last_line_end = last_line_start;
- while (*last_line_end && *last_line_end != '\n') {
- // points to just after end of last line
- ++last_line_end;
- }
-
- size_t context_len = last_line_end - first_line_start;
- size_t token_offset = yylloc->first_column - 1;
- size_t token_len = ((last_line_start - first_line_start) + yylloc->last_column) - token_offset;
-
- if (token_offset + token_len > context_len) {
- // error position state is corrupted
- NSLog(@"Got bad error state for error \"%s\": start(%i,%i), end(%i,%i)",
- message,
- yylloc->first_line,
- yylloc->first_column,
- yylloc->last_line,
- yylloc->last_column);
- [self setLastError:[NSError errorWithMessage:nsmsg
- code:TZ_ERR_PARSE]];
- } else {
- char *context = malloc (context_len + 1);
- strncpy (context, first_line_start, context_len);
- *(context + context_len) = '\0';
-
- NSDictionary *userInfo =
- [NSDictionary dictionaryWithObjectsAndKeys:
- nsmsg,
- NSLocalizedDescriptionKey,
- [NSNumber numberWithInt:yylloc->first_line],
- @"startLine",
- [NSNumber numberWithInt:yylloc->first_column],
- @"startColumn",
- [NSNumber numberWithInt:yylloc->last_line],
- @"endLine",
- [NSNumber numberWithInt:yylloc->last_column],
- @"endColumn",
- [NSString stringWithUTF8String:context],
- @"syntaxString",
- [NSNumber numberWithInt:token_offset],
- @"tokenStart",
- [NSNumber numberWithInt:token_len],
- @"tokenLength",
- nil];
- [self setLastError:
- [NSError errorWithDomain:TZErrorDomain
- code:TZ_ERR_PARSE
- userInfo:userInfo]];
-
- // we can now freely edit context string
- // we only bother printing out the first line
- if (yylloc->last_line > yylloc->first_line) {
- char *nlp = strchr(context, '\n');
- if (nlp) {
- *nlp = '\0';
- context_len = nlp - context;
- NSAssert2(token_offset < context_len, @"token_offset (%lu) < context_len (%lu)", token_offset, context_len);
- if (token_offset + token_len > context_len) {
- token_len = context_len - token_offset;
- }
- } else {
- NSLog(@"Didn't find any newlines in context string!");
- }
- }
- size_t token_col_offset = 0;
- size_t token_col_len = 0;
- for (int i = 0; i < token_offset; ++i) {
- if (*(context + i) == '\t')
- token_col_offset += 8;
- else
- ++token_col_offset;
- }
- for (int i = token_offset; i < token_offset + token_len; ++i) {
- if (*(context + i) == '\t')
- token_col_len += 8;
- else
- ++token_col_len;
- }
- NSString *pointerLinePadding =
- [@"" stringByPaddingToLength:token_col_offset
- withString:@" "
- startingAtIndex:0];
- NSString *pointerLineCarets =
- [@"" stringByPaddingToLength:token_col_len
- withString:@"^"
- startingAtIndex:0];
- NSLog(@"Parse error on line %i, starting at %i: %s\n%s\n%@%@",
- yylloc->first_line,
- yylloc->first_column,
- message,
- context,
- pointerLinePadding,
- pointerLineCarets);
- free (context);
- }
-}
-@end
-
-// vi:ft=objc:ts=4:noet:sts=4:sw=4
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