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MIME parsing additions

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@7908 72102866-910b-0410-8b05-ffd578937521
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Richard Frith-MacDonald 2000-10-26 22:43:56 +00:00
parent 59b06c4f30
commit 71b19751b0
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7
ChangeLog
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@ -5,6 +5,13 @@
selector into a program where no objects implements it (we might
still want to use it over DO or to store in another archive).
Change suggested by N.Pero.
* Source/GSMime.m: Mime parser classes partially written.
* Headers/Foundation/GSMime.h: mime class headers
* Documentation/gsdoc/GSMime.gsdoc: documentation
* Documentation/gsdoc/GSMimeDocument.gsdoc: documentation
* Documentation/gsdoc/GSMimeParser.gsdoc: documentation
Various files partially implemented to add MIME parsing support.
Intended to aid implementation of HTTP version of NSURLHandle.
2000-10-24 Adam Fedor <fedor@gnu.org>

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@ -158,6 +158,7 @@
<section>
<heading>The GNUstep extension classes</heading>
<list>
<item><uref url="GSMime.html">GSMime</uref></item>
<item><uref url="GSXML.html">GSXML</uref></item>
</list>
</section>

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@ -152,6 +152,7 @@
</ul>
<h3><a name ="cont-5">The GNUstep extension classes</a></h3>
<ul>
<li><a href ="GSMime.html">GSMime</a>
<li><a href ="GSXML.html">GSXML</a>
</ul>
</body>

3
Documentation/gsdoc/GNUmakefile
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@ -100,6 +100,9 @@ Base_GSDOC_FILES = Base.gsdoc \
NSUndoManager.gsdoc \
NSUserDefaults.gsdoc \
NSValue.gsdoc \
GSMime.gsdoc \
GSMimeDocument.gsdoc \
GSMimeParser.gsdoc \
GSXML.gsdoc \
GSSAXHandler.gsdoc \
GSXMLAttribute.gsdoc \

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<?xml version="1.0"?>
<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 0.6.6//EN" "http://www.gnustep.org/gsdoc-0_6_6.xml">
<gsdoc base="GSMime" up="Base">
<head>
<title>GNUstep MIME parser</title>
<author name="Richard Frith-Macdonald">
<email address="rfm@gnu.org"/>
<url url="http://www.gnustep.org/developers/whoiswho.html"/>
</author>
<version>0.1</version>
<date>26 Ovctober, 2000</date>
</head>
<body>
<chapter>
<heading>Mime Parser</heading>
<p>
The GNUstep Mime parser. This is collection Objective-C classes
for representing MIME (and HTTP) documents and managing conversions
to and from convenient internal formats.
</p>
<section>
<heading>The classes</heading>
<list>
<item><uref url="GSXMLDocument.html">GSXMLDocument</uref></item>
<item><uref url="GSXMLParser.html">GSXMParser</uref></item>
</list>
</section>
</chapter>
</body>
</gsdoc>

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<html><head>
<title>GNUstep MIME parser</title>
</head>
<body>
<a href ="Base.html">[Up]</a>
<h1>GNUstep MIME parser</h1>
<h3>Authors </h3>
<dl>
<dt><a href ="http://www.gnustep.org/developers/whoiswho.html">Richard Frith-Macdonald</a>
<dd>
</dl>
<p>Version: 0.1</p>
<p>Date: 26 Ovctober, 2000</p>
<h2><a name ="cont-0">Mime Parser</a></h2>
<p>
The GNUstep Mime parser. This is collection Objective-C classes
for representing MIME (and HTTP) documents and managing conversions
to and from convenient internal formats.
</p>
<h3><a name ="cont-1">The classes</a></h3>
<ul>
<li><a href ="GSXMLDocument.html">GSXMLDocument</a>
<li><a href ="GSXMLParser.html">GSXMParser</a>
</ul>
</body>
</html>

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<?xml version="1.0"?>
<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 0.6.6//EN" "http://www.gnustep.org/gsdoc-0_6_6.xml">
<gsdoc base="GSMimeDocument" next="GSMimeParser" up="GSMime">
<head>
<title>GSMimeDocument</title>
<author name="Richard Frith-Macdonald">
<email address="rfm@gnu.org"/>
<url url="http://www.gnustep.org/developers/whoiswho.html"/>
</author>
<version>0.1</version>
<date>25 October, 2000</date>
</head>
<body>
<chapter>
<heading>GSMimeDocument</heading>
<class name="GSMimeDocument" super="NSObject">
<declared>Foundation/GSMime.h</declared>
<conform>NSObject</conform>
<desc>
<p>
This class is intended to provide a wrapper for MIME messages
permitting easy access to the contents of a message and
providing a basis for parsing an unparsing messages that
have arrived via email or as a web document.
</p>
<p>
The class keeps track of all the document headers, and provides
methods for modifying the headers that apply to a document and
for looking at the header structures, by providing an info
dictionary containing the various parts of a header.
</p>
<p>
The common dictionary keys used for elements provided for
<em>all</em> headers are -
</p>
<deflist>
<term>RawHeader</term>
<desc>This is the unmodified text of the header
</desc>
<term>BaseName</term>
<desc>This is the header name.
</desc>
<term>BaseValue</term>
<desc>This is the text after the header name and colon.
</desc>
<term>Name</term>
<desc>This is a lowercase representation of the header name.
</desc>
<term>Value</term>
<desc>This is the value of the header (normally lower case).
</desc>
</deflist>
<p>
</p>
</desc>
<method type="GSMimeDocument*" factory="yes">
<sel>mimeDocument</sel>
<desc>
Create an empty MIME document.
</desc>
</method>
<method type="BOOL">
<sel>addHeader:</sel>
<arg type="NSString*">aHeader</arg>
<desc>
This method may be called to add a header to the document.
The header must be a single line of text in the standard
format (begining with a name and a colon). It will be
added after all other headers in the document.
</desc>
</method>
<method type="NSData*">
<sel>boundary</sel>
<desc>
For a multipart document, return the raw data used to
delimit the parts of the document.
Otherwise, return nil.
</desc>
</method>
<method type="id">
<sel>content</sel>
<desc>
This returns the content data of the document in the
appropriate format for the type of data -
<deflist>
<term>text</term>
<desc>an NSString object</desc>
<term>binary</term>
<desc>an NSData object</desc>
<term>multipart</term>
<desc>an NSArray object containing GSMimeDocument objects</desc>
</deflist>
</desc>
</method>
<method type="void">
<sel>deleteHeader:</sel>
<arg type="NSString*">aHeader</arg>
<desc>
This method removes all occurrances of headers whose raw data
exactly matches the supplied string.
</desc>
</method>
<method type="void">
<sel>deleteHeaderNamed:</sel>
<arg type="NSString*">aName</arg>
<desc>
This method removes all occurrances of headers whose name
matches the supplied string.
</desc>
</method>
<method type="NSArray">
<sel>infoForAllHeaders</sel>
<desc>
This method returns an array containing info dictionaries that
represent all the headers of the document.
</desc>
</method>
<method type="NSDictionary*">
<sel>infoForHeaderNamed:</sel>
<arg type="NSString*">aName</arg>
<desc>
This method returns the info dictionary for the first header
whose name equals the supplied argument.
</desc>
</method>
<method type="NSArray*">
<sel>infoForHeadersNamed:</sel>
<arg type="NSString*">aName</arg>
<desc>
This method returns an array of info dictionaries for all headers
whose names equal the supplied argument.
</desc>
</method>
<method type="BOOL">
<sel>parseHeader:</sel>
<arg type="NSScanner*">aScanner</arg>
<sel>named:</sel>
<arg type="NSString*">aName</arg>
<sel>inTo:</sel>
<arg type="NSMutableDictionary*">info</arg>
<desc>
This method is called to parse a header line and split its
contents into an info dictionary.
<p>
On entry, the dictionary is already partially filled,
the name argument is a lowercase representation of the
header name, and the scanner is set to a scan location
immediately after the colon in the header string.
</p>
<p>
If the header is parsed successfully, the method should
return YES, otherwise NO.
</p>
<p>
You should not call this method directly yourself, but may
override it to support parsing of new headers.
</p>
</desc>
</method>
<method type="BOOL">
<sel>setContent:</sel>
<arg type="id">newContent</arg>
<desc>
Sets a new value for the content of the document.
</desc>
</method>
<method type="BOOL">
<sel>setHeader:</sel>
<arg type="NSString*">aHeader</arg>
<desc>
This method may be called to set a header in the document.
The header must be a single line of text in the standard
format (begining with a name and a colon). It will be
added after all other headers in the document.
Any other headers with the same name will be removed from
the document.
</desc>
</method>
</class>
</chapter>
</body>
</gsdoc>

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<html><head>
<title>GSMimeDocument</title>
</head>
<body>
<a href ="GSMime.html">[Up]</a>
<a href ="GSMimeParser.html">[Next]</a>
<h1>GSMimeDocument</h1>
<h3>Authors </h3>
<dl>
<dt><a href ="http://www.gnustep.org/developers/whoiswho.html">Richard Frith-Macdonald</a>
<dd>
</dl>
<p>Version: 0.1</p>
<p>Date: 25 October, 2000</p>
<h2><a name ="cont-0">GSMimeDocument</a></h2>
<h2><a name ="GSMimeDocument">GSMimeDocument</a></h2>
<p><b>Declared in: </b> Foundation/GSMime.h</p>
<p><b>Inherits from: </b> NSObject</p>
<p><b>Conforms to: </b> NSObject
</p>
<hr>
<p>
This class is intended to provide a wrapper for MIME messages
permitting easy access to the contents of a message and
providing a basis for parsing an unparsing messages that
have arrived via email or as a web document.
</p>
<p>
The class keeps track of all the document headers, and provides
methods for modifying the headers that apply to a document and
for looking at the header structures, by providing an info
dictionary containing the various parts of a header.
</p>
<p>
The common dictionary keys used for elements provided for
<em>all</em> headers are -
</p>
<dl>
<dt>RawHeader
<dd>This is the unmodified text of the header
<dt>BaseName
<dd>This is the header name.
<dt>BaseValue
<dd>This is the text after the header name and colon.
<dt>Name
<dd>This is a lowercase representation of the header name.
<dt>Value
<dd>This is the value of the header (normally lower case).
</dl>
<p>
</p>
<h2>Instance Variables </h2>
<ul>
</ul>
<h2>Methods </h2>
<ul>
<li><a href ="GSMimeDocument.html#method-0">+mimeDocument</a>
<li><a href ="GSMimeDocument.html#method-1">-addHeader:</a>
<li><a href ="GSMimeDocument.html#method-2">-boundary</a>
<li><a href ="GSMimeDocument.html#method-3">-content</a>
<li><a href ="GSMimeDocument.html#method-4">-deleteHeader:</a>
<li><a href ="GSMimeDocument.html#method-5">-deleteHeaderNamed:</a>
<li><a href ="GSMimeDocument.html#method-6">-infoForAllHeaders</a>
<li><a href ="GSMimeDocument.html#method-7">-infoForHeaderNamed:</a>
<li><a href ="GSMimeDocument.html#method-8">-infoForHeadersNamed:</a>
<li><a href ="GSMimeDocument.html#method-9">-parseHeader:named:inTo:</a>
<li><a href ="GSMimeDocument.html#method-10">-setContent:</a>
<li><a href ="GSMimeDocument.html#method-11">-setHeader:</a>
</ul>
<hr><h2>Class Methods </h2>
<h3><a name ="method-0">mimeDocument</a></h3>
+ (GSMimeDocument*) <b>mimeDocument</b>;<br>
Create an empty MIME document.
<hr>
<hr><h2>Instances Methods </h2>
<h3><a name ="method-1">addHeader:</a></h3>
- (BOOL) <b>addHeader:</b> (NSString*)aHeader;<br>
This method may be called to add a header to the document.
The header must be a single line of text in the standard
format (begining with a name and a colon). It will be
added after all other headers in the document.
<hr>
<h3><a name ="method-2">boundary</a></h3>
- (NSData*) <b>boundary</b>;<br>
For a multipart document, return the raw data used to
delimit the parts of the document.
Otherwise, return nil.
<hr>
<h3><a name ="method-3">content</a></h3>
- (id) <b>content</b>;<br>
This returns the content data of the document in the
appropriate format for the type of data -
<dl>
<dt>text
<dd>an NSString object
<dt>binary
<dd>an NSData object
<dt>multipart
<dd>an NSArray object containing GSMimeDocument objects
</dl>
<hr>
<h3><a name ="method-4">deleteHeader:</a></h3>
- (void) <b>deleteHeader:</b> (NSString*)aHeader;<br>
This method removes all occurrances of headers whose raw data
exactly matches the supplied string.
<hr>
<h3><a name ="method-5">deleteHeaderNamed:</a></h3>
- (void) <b>deleteHeaderNamed:</b> (NSString*)aName;<br>
This method removes all occurrances of headers whose name
matches the supplied string.
<hr>
<h3><a name ="method-6">infoForAllHeaders</a></h3>
- (NSArray) <b>infoForAllHeaders</b>;<br>
This method returns an array containing info dictionaries that
represent all the headers of the document.
<hr>
<h3><a name ="method-7">infoForHeaderNamed:</a></h3>
- (NSDictionary*) <b>infoForHeaderNamed:</b> (NSString*)aName;<br>
This method returns the info dictionary for the first header
whose name equals the supplied argument.
<hr>
<h3><a name ="method-8">infoForHeadersNamed:</a></h3>
- (NSArray*) <b>infoForHeadersNamed:</b> (NSString*)aName;<br>
This method returns an array of info dictionaries for all headers
whose names equal the supplied argument.
<hr>
<h3><a name ="method-9">parseHeader:named:inTo:</a></h3>
- (BOOL) <b>parseHeader:</b> (NSScanner*)aScanner <b>named:</b> (NSString*)aName <b>inTo:</b> (NSMutableDictionary*)info;<br>
This method is called to parse a header line and split its
contents into an info dictionary.
<p>
On entry, the dictionary is already partially filled,
the name argument is a lowercase representation of the
header name, and the scanner is set to a scan location
immediately after the colon in the header string.
</p>
<p>
If the header is parsed successfully, the method should
return YES, otherwise NO.
</p>
<p>
You should not call this method directly yourself, but may
override it to support parsing of new headers.
</p>
<hr>
<h3><a name ="method-10">setContent:</a></h3>
- (BOOL) <b>setContent:</b> (id)newContent;<br>
Sets a new value for the content of the document.
<hr>
<h3><a name ="method-11">setHeader:</a></h3>
- (BOOL) <b>setHeader:</b> (NSString*)aHeader;<br>
This method may be called to set a header in the document.
The header must be a single line of text in the standard
format (begining with a name and a colon). It will be
added after all other headers in the document.
Any other headers with the same name will be removed from
the document.
<hr>
</body>
</html>

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<?xml version="1.0"?>
<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 0.6.6//EN" "http://www.gnustep.org/gsdoc-0_6_6.xml">
<gsdoc base="GSMimeParser" prev="GSMimeDocument" up="GSMime">
<head>
<title>GSMimeParser</title>
<author name="Richard Frith-Macdonald">
<email address="rfm@gnu.org"/>
<url url="http://www.gnustep.org/developers/whoiswho.html"/>
</author>
<version>0.1</version>
<date>26 October, 2000</date>
</head>
<body>
<chapter>
<heading>GSMimeParser</heading>
<class name="GSMimeParser" super="NSObject">
<declared>Foundation/GSMime.h</declared>
<conform>NSObject</conform>
<desc>
<p>
This class provides support for parsing MIME messages
into GSMimeDocument objects. It is imtimately related
to the GSMimeDocument class and relys on that class for
aspects of the parsing operation.
</p>
</desc>
<method type="GSMimeParser*" factory="yes">
<sel>mimeParser</sel>
<desc>
Create a parser.
</desc>
</method>
<method type="BOOL">
<sel>parse:</sel>
<arg type="NSData*">rawData</arg>
<desc>
This method is called repeatedly to pass raw mime data into
the parser. It should be called with a nil argument at the
end of the data - to inform the parser that it has been given
all the available information.
</desc>
</method>
<method type="GSMimeDocument*">
<sel>document</sel>
<desc>
Returns the object into which raw mime data is being parsed.
</desc>
</method>
<method type="BOOL">
<sel>parsingHeaders</sel>
<desc>
Returns YES if the parser is expecting to read mime headers,
Returns NO is the parser has already been passed all the
data containing headers, and is now waiting for the body of
trhe mime message (or has been passed all data).
</desc>
</method>
</class>
</chapter>
</body>
</gsdoc>

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@ -0,0 +1,76 @@
<html><head>
<title>GSMimeParser</title>
</head>
<body>
<a href ="GSMimeDocument.html">[Previous]</a>
<a href ="GSMime.html">[Up]</a>
<h1>GSMimeParser</h1>
<h3>Authors </h3>
<dl>
<dt><a href ="http://www.gnustep.org/developers/whoiswho.html">Richard Frith-Macdonald</a>
<dd>
</dl>
<p>Version: 0.1</p>
<p>Date: 26 October, 2000</p>
<h2><a name ="cont-0">GSMimeParser</a></h2>
<h2><a name ="GSMimeParser">GSMimeParser</a></h2>
<p><b>Declared in: </b> Foundation/GSMime.h</p>
<p><b>Inherits from: </b> NSObject</p>
<p><b>Conforms to: </b> NSObject
</p>
<hr>
<p>
This class provides support for parsing MIME messages
into GSMimeDocument objects. It is imtimately related
to the GSMimeDocument class and relys on that class for
aspects of the parsing operation.
</p>
<h2>Instance Variables </h2>
<ul>
</ul>
<h2>Methods </h2>
<ul>
<li><a href ="GSMimeParser.html#method-0">+mimeParser</a>
<li><a href ="GSMimeParser.html#method-2">-document</a>
<li><a href ="GSMimeParser.html#method-1">-parse:</a>
<li><a href ="GSMimeParser.html#method-3">-parsingHeaders</a>
</ul>
<hr><h2>Class Methods </h2>
<h3><a name ="method-0">mimeParser</a></h3>
+ (GSMimeParser*) <b>mimeParser</b>;<br>
Create a parser.
<hr>
<hr><h2>Instances Methods </h2>
<h3><a name ="method-1">parse:</a></h3>
- (BOOL) <b>parse:</b> (NSData*)rawData;<br>
This method is called repeatedly to pass raw mime data into
the parser. It should be called with a nil argument at the
end of the data - to inform the parser that it has been given
all the available information.
<hr>
<h3><a name ="method-2">document</a></h3>
- (GSMimeDocument*) <b>document</b>;<br>
Returns the object into which raw mime data is being parsed.
<hr>
<h3><a name ="method-3">parsingHeaders</a></h3>
- (BOOL) <b>parsingHeaders</b>;<br>
Returns YES if the parser is expecting to read mime headers,
Returns NO is the parser has already been passed all the
data containing headers, and is now waiting for the body of
trhe mime message (or has been passed all data).
<hr>
</body>
</html>

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/* Interface for MIME parsing classes
Copyright (C) 2000 Free Software Foundation, Inc.
Written by: Richard frith-Macdonald <rfm@gnu.org>
Date: October 2000
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#ifndef __GSMIME_H__
#define __GSMIME_H__
#include <Foundation/NSArray.h>
#include <Foundation/NSData.h>
#include <Foundation/NSDictionary.h>
#include <Foundation/NSString.h>
#include <Foundation/NSScanner.h>
@interface GSMimeDocument : NSObject
{
NSMutableArray *headers;
id content;
NSData *boundary;
}
+ (GSMimeDocument*) mimeDocument;
- (BOOL) addHeader: (NSString*)aHeader;
- (NSData*) boundary;
- (id) content;
- (void) deleteHeader: (NSString*)aHeader;
- (void) deleteHeaderNamed: (NSString*)aName;
- (NSArray*) infoForAllHeaders;
- (NSDictionary*) infoForHeaderNamed: (NSString*)name;
- (NSArray*) infoForHeadersNamed: (NSString*)name;
- (BOOL) parseHeader: (NSScanner*)aScanner
named: (NSString*)name
inTo: (NSMutableDictionary*)info;
- (BOOL) setContent: (id)newContent;
- (BOOL) setHeader: (NSString*)aHeader;
@end
@interface GSMimeParser : NSObject
{
NSMutableData *data;
unsigned char *bytes;
unsigned dataEnd;
unsigned sectionStart;
unsigned lineStart;
unsigned lineEnd;
unsigned input;
BOOL inBody;
GSMimeDocument *document;
}
+ (GSMimeParser*) mimeParser;
- (GSMimeDocument*) document;
- (BOOL) parse: (NSData*)input;
- (BOOL) parsedHeaders;
@end
#endif

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@ -229,6 +229,7 @@ objc-load.m
ifeq ($(HAVE_LIBXML),1)
BASE_MFILES += GSXML.m
endif
BASE_MFILES += GSMime.m
NSVALUE_MFILES = \
NSValue0.m NSValue1.m NSValue2.m NSValue3.m \

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