141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
#ifndef ZOIDBERG_MAIL_COMPONENT_H
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#define ZOIDBERG_MAIL_COMPONENT_H
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/* (Text)Component - message component base class and plain text
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**
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** Copyright 2001 Dr. Zoidberg Enterprises. All rights reserved.
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*/
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#include <UTF8.h>
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#include <Message.h>
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#include <String.h>
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#include <mail_encoding.h>
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class BMimeType;
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extern const char *kHeaderCharsetString;
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extern const char *kHeaderEncodingString;
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// Special field names in the headers which specify the character set (int32)
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// and encoding (int8) to use when converting the headers from UTF-8 to the
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// output e-mail format (rfc2047). For use with SetHeaderField when you pass
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// it a structured header in a BMessage.
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enum component_type {
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B_MAIL_PLAIN_TEXT_BODY = 0,
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B_MAIL_SIMPLE_ATTACHMENT,
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B_MAIL_ATTRIBUTED_ATTACHMENT,
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B_MAIL_MULTIPART_CONTAINER
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};
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class BMailComponent {
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public:
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BMailComponent(uint32 defaultCharSet = B_MAIL_NULL_CONVERSION);
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virtual ~BMailComponent();
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//------Info on this component
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uint32 ComponentType();
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BMailComponent *WhatIsThis();
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// Takes any generic MailComponent, and returns an instance
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// of a MailComponent subclass that applies to this case,
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// ready for instantiation. Note that you still have to
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// Instantiate() it yourself.
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bool IsAttachment();
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// Returns true if this component is an attachment, false
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// otherwise
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void SetHeaderField(
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const char *key, const char *value,
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uint32 charset = B_MAIL_NULL_CONVERSION,
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mail_encoding encoding = null_encoding,
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bool replace_existing = true);
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// If you want to delete a header, pass in a zero length or NULL
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// string for the value field, or use RemoveHeader.
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void SetHeaderField(
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const char *key, BMessage *structured_header,
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bool replace_existing = true);
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const char *HeaderAt(int32 index) const;
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const char *HeaderField(const char *key, int32 index = 0) const;
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status_t HeaderField(const char *key, BMessage *structured_header, int32 index = 0) const;
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status_t RemoveHeader(const char *key);
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virtual status_t GetDecodedData(BPositionIO *data);
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virtual status_t SetDecodedData(BPositionIO *data);
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virtual status_t SetToRFC822(BPositionIO *data, size_t length, bool parse_now = false);
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virtual status_t RenderToRFC822(BPositionIO *render_to);
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virtual status_t MIMEType(BMimeType *mime);
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protected:
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uint32 _charSetForTextDecoding;
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// This is the character set to be used for decoding text
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// components, or if it is B_MAIL_NULL_CONVERSION then the character
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// set will be determined automatically. Since we can't use a
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// global variable (different messages might have different values
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// of this), and since sub-components can't find their parents,
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// this is passed down during construction to some (just Component,
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// Container, Message, MIME, Text) child components and ends up
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// being used in the text components.
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private:
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virtual void _ReservedComponent1();
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virtual void _ReservedComponent2();
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virtual void _ReservedComponent3();
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virtual void _ReservedComponent4();
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virtual void _ReservedComponent5();
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BMessage headers;
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uint32 _reserved[5];
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};
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class BTextMailComponent : public BMailComponent {
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public:
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BTextMailComponent(const char *text = NULL, uint32 defaultCharSet = B_MAIL_NULL_CONVERSION);
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virtual ~BTextMailComponent();
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void SetEncoding(mail_encoding encoding, int32 charset);
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// encoding: you should always use quoted_printable, base64 is strongly not
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// recommended, see rfc 2047 for the reasons why
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// charset: use Conversion flavor constants from UTF8.h
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void SetText(const char *text);
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void AppendText(const char *text);
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const char *Text();
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BString *BStringText();
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void Quote(const char *message = NULL,
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const char *quote_style = "> ");
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virtual status_t GetDecodedData(BPositionIO *data);
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virtual status_t SetDecodedData(BPositionIO *data);
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virtual status_t SetToRFC822(BPositionIO *data, size_t length, bool parse_now = false);
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virtual status_t RenderToRFC822(BPositionIO *render_to);
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private:
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virtual void _ReservedText1();
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virtual void _ReservedText2();
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BString text;
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BString decoded;
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mail_encoding encoding;
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uint32 charset; // This character set is used for encoding, not decoding.
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status_t ParseRaw();
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BPositionIO *raw_data;
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size_t raw_length;
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off_t raw_offset;
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uint32 _reserved[5];
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};
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#endif /* ZOIDBERG_MAIL_COMPONENT_H */
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