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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch) | |
tree | 67208f7c145782a7e90b123b982ca78d88cc2c87 /mimelib/entity.cpp | |
download | tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'mimelib/entity.cpp')
-rw-r--r-- | mimelib/entity.cpp | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/mimelib/entity.cpp b/mimelib/entity.cpp new file mode 100644 index 000000000..a97d96e57 --- /dev/null +++ b/mimelib/entity.cpp @@ -0,0 +1,302 @@ +//============================================================================= +// File: entity.cpp +// Contents: Definitions for DwEntity +// Maintainer: Doug Sauder <dwsauder@fwb.gulf.net> +// WWW: http://www.fwb.gulf.net/~dwsauder/mimepp.html +// +// Copyright (c) 1996, 1997 Douglas W. Sauder +// All rights reserved. +// +// IN NO EVENT SHALL DOUGLAS W. SAUDER BE LIABLE TO ANY PARTY FOR DIRECT, +// INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF +// THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF DOUGLAS W. SAUDER +// HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// DOUGLAS W. SAUDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT +// NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" +// BASIS, AND DOUGLAS W. SAUDER HAS NO OBLIGATION TO PROVIDE MAINTENANCE, +// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. +// +//============================================================================= + +#define DW_IMPLEMENTATION + +#include <mimelib/config.h> +#include <mimelib/debug.h> +#include <mimelib/string.h> +#include <mimelib/enum.h> +#include <mimelib/entity.h> +#include <mimelib/headers.h> +#include <mimelib/body.h> +#include <mimelib/mediatyp.h> + + +class DwEntityParser { + friend class DwEntity; +private: + DwEntityParser(const DwString&); + void Parse(); + const DwString mString; + DwString mHeaders; + DwString mBody; +}; + + +DwEntityParser::DwEntityParser(const DwString& aStr) + : mString(aStr) +{ + Parse(); +} + + +void DwEntityParser::Parse() +{ + const char* buf = mString.data(); + size_t bufEnd = mString.length(); + size_t pos = 0; + size_t headersStart = 0; + size_t headersLength = 0; + size_t lineStart = pos; + DwBool isHeaderLine = DwFalse; + // If first character is a LF (ANSI C or UNIX) + // or if first two characters are CR LF (MIME or DOS), + // there are no headers. + if (pos < bufEnd && buf[pos] != '\n' + && ! (buf[pos] == '\r' && pos+1 < bufEnd && buf[pos+1] == '\n')) { + + while (pos < bufEnd) { + // End of line marked by LF + if (buf[pos] == '\n') { + ++pos; + if (!isHeaderLine) { + pos = lineStart; + break; + } + // Check for LF LF + else if (pos < bufEnd && buf[pos] == '\n') { + break; + } + lineStart = pos; + isHeaderLine = DwFalse; + } + // End of line marked by CRLF + else if (buf[pos] == '\r' && pos+1 < bufEnd + && buf[pos+1] == '\n') { + pos += 2; + if (!isHeaderLine) { + pos = lineStart; + break; + } + // Check for CR LF CR LF + else if (pos+1 < bufEnd && buf[pos] == '\r' + && buf[pos+1] == '\n') { + break; + } + lineStart = pos; + isHeaderLine = DwFalse; + } + else if (buf[pos] == ':') { + isHeaderLine = DwTrue; + ++pos; + } + else if (pos == lineStart && + (buf[pos] == ' ' || buf[pos] == '\t')) { + isHeaderLine = DwTrue; + ++pos; + } + else { + ++pos; + } + } + } + headersLength = pos; + mHeaders = mString.substr(headersStart, headersLength); + // Skip blank line + // LF (ANSI C or UNIX) + if (pos < bufEnd && buf[pos] == '\n') { + ++pos; + } + // CR LF (MIME or DOS) + else if (pos < bufEnd && buf[pos] == '\r' + && pos+1 < bufEnd && buf[pos+1] == '\n') { + + pos += 2; + } + size_t bodyStart = pos; + size_t bodyLength = mString.length() - bodyStart; + mBody = mString.substr(bodyStart, bodyLength); +} + + +//========================================================================== + + +const char* const DwEntity::sClassName = "DwEntity"; + + +DwEntity::DwEntity() +{ + mHeaders = DwHeaders::NewHeaders("", this); + ASSERT(mHeaders != 0); + mBody = DwBody::NewBody("", this); + ASSERT(mBody != 0); + mClassId = kCidEntity; + mClassName = sClassName; + mBodySize = -1; +} + + +DwEntity::DwEntity(const DwEntity& aEntity) + : DwMessageComponent(aEntity) +{ + mHeaders = (DwHeaders*) aEntity.mHeaders->Clone(); + ASSERT(mHeaders != 0); + mHeaders->SetParent(this); + mBody = (DwBody*) aEntity.mBody->Clone(); + ASSERT(mBody != 0); + mBody->SetParent(this); + mClassId = kCidEntity; + mClassName = sClassName; + mBodySize = aEntity.mBodySize; +} + + +DwEntity::DwEntity(const DwString& aStr, DwMessageComponent* aParent) + : DwMessageComponent(aStr, aParent) +{ + mHeaders = DwHeaders::NewHeaders("", this); + ASSERT(mHeaders != 0); + mBody = DwBody::NewBody("", this); + ASSERT(mBody != 0); + mClassId = kCidEntity; + mClassName = sClassName; + mBodySize = -1; +} + + +DwEntity::~DwEntity() +{ + delete mHeaders; + delete mBody; +} + + +const DwEntity& DwEntity::operator = (const DwEntity& aEntity) +{ + if (this == &aEntity) return *this; + DwMessageComponent::operator = (aEntity); + // Note: Because of the derived assignment problem, we cannot use the + // assignment operator for DwHeaders and DwBody in the following. + delete mHeaders; + mHeaders = (DwHeaders*) aEntity.mHeaders->Clone(); + ASSERT(mHeaders != 0); + mHeaders->SetParent(this); + delete mBody; + mBody = (DwBody*) aEntity.mBody->Clone(); + ASSERT(mBody != 0); + mBody->SetParent(this); + if (mParent) { + mParent->SetModified(); + } + return *this; +} + + +void DwEntity::Parse() +{ + mIsModified = 0; + DwEntityParser parser(mString); + mHeaders->FromString(parser.mHeaders); + mHeaders->Parse(); + mBody->FromString(parser.mBody); + mBody->Parse(); +} + + +void DwEntity::Assemble(DwHeaders& aHeaders, DwBody& aBody) +{ + mString = ""; + mString += aHeaders.AsString(); + + // DwEntityParser skips the line separating the headers from the + // body. So it's neither part of DwHeaders, nor of DwBody + // -> we need to readd it here: + mString += DW_EOL; + + mString += aBody.AsString(); + mIsModified = 0; +} + + +void DwEntity::Assemble() +{ + if (!mIsModified) return; + mBody->Assemble(); + mHeaders->Assemble(); + Assemble( *mHeaders, *mBody ); +} + + +DwHeaders& DwEntity::Headers() const +{ + ASSERT(mHeaders != 0); + return *mHeaders; +} + + +DwBody& DwEntity::Body() const +{ + return *mBody; +} + +int DwEntity::BodySize() const +{ + if ( mBody->AsString().length() > 0 ) + return mBody->AsString().length(); + else if ( mBodySize > 0 ) + return mBodySize; + else + return 0; +} + + +#if defined(DW_DEBUG_VERSION) +void DwEntity::PrintDebugInfo(std::ostream& aStrm, int aDepth) const +{ + aStrm << "------------ Debug info for DwEntity class ------------\n"; + _PrintDebugInfo(aStrm); + int depth = aDepth - 1; + depth = (depth >= 0) ? depth : 0; + if (aDepth == 0 || depth > 0) { + mHeaders->PrintDebugInfo(aStrm, depth); + mBody->PrintDebugInfo(aStrm, depth); + } +} +#else +void DwEntity::PrintDebugInfo(std::ostream& , int ) const {} +#endif // defined(DW_DEBUG_VERSION) + + +#if defined(DW_DEBUG_VERSION) +void DwEntity::_PrintDebugInfo(std::ostream& aStrm) const +{ + DwMessageComponent::_PrintDebugInfo(aStrm); + aStrm << "Headers: " << mHeaders->ObjectId() << '\n'; + aStrm << "Body: " << mBody->ObjectId() << '\n'; +} +#else +void DwEntity::_PrintDebugInfo(std::ostream& ) const {} +#endif // defined(DW_DEBUG_VERSION) + + +void DwEntity::CheckInvariants() const +{ +#if defined(DW_DEBUG_VERSION) + DwMessageComponent::CheckInvariants(); + mHeaders->CheckInvariants(); + assert((DwMessageComponent*) this == mHeaders->Parent()); + mBody->CheckInvariants(); + assert((DwMessageComponent*) this == mBody->Parent()); +#endif // defined(DW_DEBUG_VERSION) +} |