80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
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// MultipartParser.h
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// Declares the cMultipartParser class that parses messages in "multipart/*" encoding into the separate parts
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#pragma once
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#include "EnvelopeParser.h"
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class cMultipartParser :
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protected cEnvelopeParser::cCallbacks
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{
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public:
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class cCallbacks
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{
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public:
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// Force a virtual destructor in descendants:
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virtual ~cCallbacks() {}
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/** Called when a new part starts */
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virtual void OnPartStart(void) = 0;
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/** Called when a complete header line is received for a part */
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virtual void OnPartHeader(const AString & a_Key, const AString & a_Value) = 0;
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/** Called when body for a part is received */
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virtual void OnPartData(const char * a_Data, size_t a_Size) = 0;
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/** Called when the current part ends */
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virtual void OnPartEnd(void) = 0;
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} ;
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/** Creates the parser, expects to find the boundary in a_ContentType */
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cMultipartParser(const AString & a_ContentType, cCallbacks & a_Callbacks);
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/** Parses more incoming data */
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void Parse(const char * a_Data, size_t a_Size);
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protected:
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/** The callbacks to call for various parsing events */
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cCallbacks & m_Callbacks;
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/** True if the data parsed so far is valid; if false, further parsing is skipped */
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bool m_IsValid;
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/** Parser for each part's envelope */
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cEnvelopeParser m_EnvelopeParser;
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/** Buffer for the incoming data until it is parsed */
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AString m_IncomingData;
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/** The boundary, excluding both the initial "--" and the terminating CRLF */
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AString m_Boundary;
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/** Set to true if some data for the current part has already been signalized to m_Callbacks. Used for proper CRLF inserting. */
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bool m_HasHadData;
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/** Parse one line of incoming data. The CRLF has already been stripped from a_Data / a_Size */
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void ParseLine(const char * a_Data, size_t a_Size);
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/** Parse one line of incoming data in the headers section of a part. The CRLF has already been stripped from a_Data / a_Size */
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void ParseHeaderLine(const char * a_Data, size_t a_Size);
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// cEnvelopeParser overrides:
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virtual void OnHeaderLine(const AString & a_Key, const AString & a_Value) override;
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} ;
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