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factorize some common macros

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git-svn-id: https://matroska.svn.sourceforge.net/svnroot/matroska/trunk/libebml@26 a6f86f6d-0131-4f8e-9e7b-e335508773d5
This commit is contained in:
Steve Lhomme 2010-03-17 10:30:26 +00:00
parent cd5d717fb9
commit baa61c54cb
2 changed files with 7 additions and 3 deletions
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4
ebml/EbmlElement.h
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@ -104,6 +104,8 @@ class EbmlElement;
#define EBML_SEM_UNIQUE(s) (s).IsUnique() #define EBML_SEM_UNIQUE(s) (s).IsUnique()
#define EBML_SEM_INFO(s) (const EbmlCallbacks &)(s) #define EBML_SEM_INFO(s) (const EbmlCallbacks &)(s)
#define EBML_SEM_ID(s) ((const EbmlCallbacks &)(s)).ClassId()
#define EBML_SEM_CONTEXT(s) ((const EbmlCallbacks &)(s)).GetContext()
#define EBML_CTX_SIZE(c) (c).GetSize() #define EBML_CTX_SIZE(c) (c).GetSize()
#define EBML_CTX_MASTER(c) (c).GetMaster() #define EBML_CTX_MASTER(c) (c).GetMaster()
@ -130,6 +132,8 @@ class EbmlElement;
#define EBML_SEM_UNIQUE(s) (s).Unique #define EBML_SEM_UNIQUE(s) (s).Unique
#define EBML_SEM_INFO(s) (s).GetCallbacks #define EBML_SEM_INFO(s) (s).GetCallbacks
#define EBML_SEM_ID(s) (s).GetCallbacks.GlobalId
#define EBML_SEM_CONTEXT(s) (s).GetCallbacks.Context
#define EBML_CTX_SIZE(c) (c).Size #define EBML_CTX_SIZE(c) (c).Size
#define EBML_CTX_MASTER(c) (c).MasterElt #define EBML_CTX_MASTER(c) (c).MasterElt

6
src/EbmlElement.cpp
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@ -483,9 +483,9 @@ EbmlElement * EbmlElement::SkipData(EbmlStream & DataStream, const EbmlSemanticC
unsigned int EltIndex; unsigned int EltIndex;
// data known in this Master's context // data known in this Master's context
for (EltIndex = 0; EltIndex < EBML_CTX_SIZE(Context); EltIndex++) { for (EltIndex = 0; EltIndex < EBML_CTX_SIZE(Context); EltIndex++) {
if (EbmlId(*Result) == EBML_INFO_ID(EBML_SEM_INFO(Context.MyTable[EltIndex]))) { if (EbmlId(*Result) == EBML_SEM_ID(Context.MyTable[EltIndex])) {
// skip the data with its own context // skip the data with its own context
Result = Result->SkipData(DataStream, EBML_INFO_CONTEXT(EBML_SEM_INFO(Context.MyTable[EltIndex])), NULL); Result = Result->SkipData(DataStream, EBML_SEM_CONTEXT(Context.MyTable[EltIndex]), NULL);
break; // let's go to the next ID break; // let's go to the next ID
} }
} }
@ -518,7 +518,7 @@ EbmlElement *EbmlElement::CreateElementUsingContext(const EbmlId & aID, const Eb
// elements at the current level // elements at the current level
for (ContextIndex = 0; ContextIndex < EBML_CTX_SIZE(Context); ContextIndex++) { for (ContextIndex = 0; ContextIndex < EBML_CTX_SIZE(Context); ContextIndex++) {
if (aID == EBML_INFO_ID(EBML_SEM_INFO(Context.MyTable[ContextIndex]))) { if (aID == EBML_SEM_ID(Context.MyTable[ContextIndex])) {
return &Context.MyTable[ContextIndex].Create(); return &Context.MyTable[ContextIndex].Create();
} }
} }