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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /extensions/source/macosx/spotlight/OOoContentDataParser.m | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'extensions/source/macosx/spotlight/OOoContentDataParser.m')
-rw-r--r-- | extensions/source/macosx/spotlight/OOoContentDataParser.m | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/extensions/source/macosx/spotlight/OOoContentDataParser.m b/extensions/source/macosx/spotlight/OOoContentDataParser.m new file mode 100644 index 000000000..d3ecf16ff --- /dev/null +++ b/extensions/source/macosx/spotlight/OOoContentDataParser.m @@ -0,0 +1,149 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <objc/objc-runtime.h> + +#import "OOoContentDataParser.h" + +@implementation OOoContentDataParser + +- (id)init +{ + if ((self = [super init]) != nil) { + shouldReadCharacters = NO; + textContent = nil; + runningTextContent = nil; + + return self; + } + + return nil; +} + +- (void)parseXML:(NSData*)data intoDictionary:(NSMutableDictionary*)dict +{ + mdiValues = dict; + + //NSLog(@"data: %@ %d", data, [data length]); + + //init parser settings + shouldReadCharacters = NO; + + NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data]; + + // Once again... + // class 'OOoContentDataParser' does not implement the 'NSXMLParserDelegate' protocol + // So instead of this: + // [parser setDelegate:self]; + // do this: + ((id (*)(id, SEL, ...))objc_msgSend)(parser, @selector(setDelegate:), self); + + [parser setShouldResolveExternalEntities:NO]; + [parser parse]; + + [parser release]; + + //NSLog(@"finished"); +} + +- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName attributes:(NSDictionary *)attributeDict +{ + (void) parser; // unused + (void) namespaceURI; // FIXME this should not be ignored but should be used + // instead of text: prefix in the comparison below! + (void) qualifiedName; // unused + (void) attributeDict; // unused + // all text content is stored inside <text:p> elements + if ([elementName isEqualToString:@"text:p"] == YES) { + runningTextContent = [NSMutableString new]; + shouldReadCharacters = YES; + //NSLog(@"start"); + } else { + return; + } + + //NSLog(@"start element %@", elementName); +} + +- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName +{ + (void) parser; // unused + (void) elementName; // unused + (void) namespaceURI; // unused + (void) qName; // unused + if (shouldReadCharacters == TRUE) { + if (textContent == nil) { + textContent = [NSMutableString new]; + } else if ([runningTextContent isEqualToString:@""] == NO) { + // separate by whitespace + [textContent appendString:@" "]; + } + //NSLog(@"end"); + + [textContent appendString:[NSString stringWithString:runningTextContent]]; + [runningTextContent release]; + runningTextContent = nil; + } + shouldReadCharacters = NO; +} + +- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string +{ + (void) parser; // unused + if (shouldReadCharacters == NO) { + return; + } + //NSLog(string); + + [runningTextContent appendString:string]; + + //NSLog(@"read: %@", string); + +} + +- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError +{ + //NSLog(@"parsing finished with error"); + NSLog(@"An error occurred parsing the document. (Error %li, Description: %@, Line: %li, Column: %li)", (long) [parseError code], + [[parser parserError] localizedDescription], (long) [parser lineNumber], + (long) [parser columnNumber]); + + if (runningTextContent != nil) { + [runningTextContent release]; + runningTextContent = nil; + } + if (textContent != nil) { + [textContent release]; + textContent = nil; + } +} + +- (void)parserDidEndDocument:(NSXMLParser *)parser +{ + (void) parser; // unused + if (textContent != nil && [textContent length] > 0) { + [mdiValues setObject:[NSString stringWithString:textContent] forKey:(NSString*)kMDItemTextContent]; + [textContent release]; + textContent = nil; + } +} + +@end + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |