Ginga  0.13.6.1771-df200
The iTV middleware.
Public Types | Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes | List of all members
ParserState Class Reference
Collaboration diagram for ParserState:
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Public Types

enum  Error {
  ERROR_NONE = 0, ERROR_ELT_UNKNOWN, ERROR_ELT_MISSING_PARENT, ERROR_ELT_BAD_PARENT,
  ERROR_ELT_UNKNOWN_ATTRIBUTE, ERROR_ELT_MISSING_ATTRIBUTE, ERROR_ELT_BAD_ATTRIBUTE, ERROR_ELT_UNKNOWN_CHILD,
  ERROR_ELT_MISSING_CHILD, ERROR_ELT_BAD_CHILD
}
 

Public Member Functions

 ParserState (int, int)
 
 ~ParserState ()
 
ParserState::Error getError (string *)
 
Document * process (xmlDoc *)
 

Static Public Member Functions

static bool pushNcl (ParserState *, ParserElt *)
 
static bool popNcl (ParserState *, ParserElt *)
 
static bool pushRegion (ParserState *, ParserElt *)
 
static bool popRegion (ParserState *, ParserElt *)
 
static bool pushDescriptorParam (ParserState *, ParserElt *)
 
static bool pushCausalConnector (ParserState *, ParserElt *)
 
static bool popCausalConnector (ParserState *, ParserElt *)
 
static bool pushCompoundCondition (ParserState *, ParserElt *)
 
static bool pushSimpleCondition (ParserState *, ParserElt *)
 
static bool pushCompoundStatement (ParserState *, ParserElt *)
 
static bool popCompoundStatement (ParserState *, ParserElt *)
 
static bool popAssessmentStatement (ParserState *, ParserElt *)
 
static bool pushAttributeAssessment (ParserState *, ParserElt *)
 
static bool pushContext (ParserState *, ParserElt *)
 
static bool popContext (ParserState *, ParserElt *)
 
static bool pushPort (ParserState *, ParserElt *)
 
static bool pushMedia (ParserState *, ParserElt *)
 
static bool popMedia (ParserState *, ParserElt *)
 
static bool pushArea (ParserState *, ParserElt *)
 
static bool pushProperty (ParserState *, ParserElt *)
 
static bool pushLink (ParserState *, ParserElt *)
 
static bool pushLinkParam (ParserState *, ParserElt *)
 
static bool pushBind (ParserState *, ParserElt *)
 

Private Member Functions

string genId ()
 
bool isInUniqueSet (const string &)
 
void addToUniqueSet (const string &)
 
bool getData (const string &, void **)
 
bool setData (const string &, void *, UserDataCleanFunc fn=nullptr)
 
bool errElt (xmlNode *, ParserState::Error, const string &)
 
bool errEltUnknown (xmlNode *)
 
bool errEltMissingParent (xmlNode *)
 
bool errEltBadParent (xmlNode *, const string &)
 
bool errEltUnknownAttribute (xmlNode *, const string &)
 
bool errEltMissingAttribute (xmlNode *, const string &)
 
bool errEltBadAttribute (xmlNode *, const string &, const string &, const string &explain="")
 
bool errEltUnknownChild (xmlNode *, const string &)
 
bool errEltMissingChild (xmlNode *, const list< string > &)
 
bool errEltBadChild (xmlNode *, const string &, const string &explain="")
 
bool eltCacheIndex (xmlNode *, ParserElt **)
 
bool eltCacheIndexParent (xmlNode *, ParserElt **)
 
bool eltCacheIndexById (const string &, ParserElt **, const list< string > &)
 
bool eltCacheIndexByTag (const list< string > &, list< ParserElt * > *)
 
bool eltCacheAdd (ParserElt *)
 
Object * objStackPeek ()
 
Object * objStackPop ()
 
void objStackPush (Object *)
 
bool resolveComponentRef (Context *, ParserElt *, Object **)
 
bool resolveGhostBindRef (Context *, ParserElt *, string *)
 
bool resolveInterfaceRef (Context *, ParserElt *, Event **)
 
string resolveLinkParamRef (const string &, const map< string, string > *, const map< string, string > *, const map< string, string > *)
 
bool processNode (xmlNode *)
 

Private Attributes

Document * _doc
 
xmlDoc * _xml
 
Rect _rect
 
int _genid
 
set< string > _unique
 
UserData _udata
 
ParserState::Error _error
 
string _errorMsg
 
map< xmlNode *, ParserElt * > _eltCache
 
list< Object * > _objStack
 

Member Enumeration Documentation

enum ParserState::Error
Enumerator
ERROR_NONE 
ERROR_ELT_UNKNOWN 
ERROR_ELT_MISSING_PARENT 
ERROR_ELT_BAD_PARENT 
ERROR_ELT_UNKNOWN_ATTRIBUTE 
ERROR_ELT_MISSING_ATTRIBUTE 
ERROR_ELT_BAD_ATTRIBUTE 
ERROR_ELT_UNKNOWN_CHILD 
ERROR_ELT_MISSING_CHILD 
ERROR_ELT_BAD_CHILD 

Constructor & Destructor Documentation

ParserState::ParserState ( int  width,
int  height 
)

References ERROR_NONE.

ParserState::~ParserState ( )

Member Function Documentation

void ParserState::addToUniqueSet ( const string &  str)
private
bool ParserState::eltCacheAdd ( ParserElt *  elt)
private

References ParserElt::getNode().

bool ParserState::eltCacheIndex ( xmlNode *  node,
ParserElt **  result 
)
private

References g_assert_nonnull(), and tryset.

Referenced by popNcl().

bool ParserState::eltCacheIndexById ( const string &  id,
ParserElt **  result,
const list< string > &  tags 
)
private

References tryset.

Referenced by popContext(), and popNcl().

bool ParserState::eltCacheIndexByTag ( const list< string > &  tags,
list< ParserElt * > *  result 
)
private

References g_assert_nonnull().

Referenced by popNcl().

bool ParserState::eltCacheIndexParent ( xmlNode *  node,
ParserElt **  result 
)
private

Referenced by popAssessmentStatement(), pushAttributeAssessment(), pushBind(), pushCompoundStatement(), pushDescriptorParam(), pushLinkParam(), pushPort(), and pushSimpleCondition().

bool ParserState::errElt ( xmlNode *  node,
ParserState::Error  error,
const string &  message 
)
private

References ERROR_NONE, g_assert(), g_assert_nonnull(), toCString, and xstrbuild().

bool ParserState::errEltBadAttribute ( xmlNode *  node,
const string &  name,
const string &  value,
const string &  explain = "" 
)
private

References ERROR_ELT_BAD_ATTRIBUTE.

Referenced by popAssessmentStatement(), popNcl(), pushCompoundStatement(), and pushSimpleCondition().

bool ParserState::errEltBadChild ( xmlNode *  node,
const string &  child,
const string &  explain = "" 
)
private

References ERROR_ELT_BAD_CHILD.

Referenced by popAssessmentStatement(), pushAttributeAssessment(), and pushCompoundStatement().

bool ParserState::errEltBadParent ( xmlNode *  node,
const string &  parent 
)
private

References ERROR_ELT_BAD_PARENT.

bool ParserState::errEltMissingAttribute ( xmlNode *  node,
const string &  name 
)
private

References ERROR_ELT_MISSING_ATTRIBUTE.

Referenced by pushSimpleCondition().

bool ParserState::errEltMissingChild ( xmlNode *  node,
const list< string > &  children 
)
private

References ERROR_ELT_MISSING_CHILD, and g_assert().

Referenced by popAssessmentStatement(), popCausalConnector(), and popCompoundStatement().

bool ParserState::errEltMissingParent ( xmlNode *  node)
private

References ERROR_ELT_MISSING_PARENT.

bool ParserState::errEltUnknown ( xmlNode *  node)
private

References ERROR_ELT_UNKNOWN.

bool ParserState::errEltUnknownAttribute ( xmlNode *  node,
const string &  name 
)
private

References ERROR_ELT_UNKNOWN_ATTRIBUTE.

bool ParserState::errEltUnknownChild ( xmlNode *  node,
const string &  name 
)
private

References ERROR_ELT_UNKNOWN_CHILD.

string ParserState::genId ( )
private

References xstrbuild().

bool ParserState::getData ( const string &  key,
void **  result 
)
private

References ParserElt::_udata, and UserData::getData().

Referenced by popRegion().

ParserState::Error ParserState::getError ( string *  message)

References tryset.

Referenced by process().

bool ParserState::isInUniqueSet ( const string &  str)
private
Object * ParserState::objStackPeek ( )
private

Referenced by popContext(), pushArea(), pushContext(), pushLink(), pushMedia(), and pushProperty().

Object * ParserState::objStackPop ( )
private

Referenced by popContext(), popMedia(), and popNcl().

void ParserState::objStackPush ( Object *  obj)
private

References g_assert_nonnull().

Referenced by pushContext(), pushMedia(), and pushNcl().

bool ParserState::popAssessmentStatement ( ParserState *  st,
ParserElt *  elt 
)
static

References Predicate::addChild(), Predicate::ATOM, eltCacheIndexParent(), errEltBadAttribute(), errEltBadChild(), errEltMissingChild(), g_assert(), ParserElt::getAttribute(), Predicate::getChildren(), ParserElt::getData(), ParserElt::getNode(), ParserElt::getTag(), Predicate::getType(), Predicate::NEGATION, Predicate::setTest(), Predicate::toString(), TRACE, UDATA_GET, and unlikely.

bool ParserState::popCausalConnector ( ParserState *  st,
ParserElt *  elt 
)
static

References errEltMissingChild(), ParserElt::getNode(), UDATA_GET, UDATA_SET, and unlikely.

bool ParserState::popCompoundStatement ( ParserState *  st,
ParserElt *  elt 
)
static

References Predicate::ATOM, Predicate::CONJUNCTION, Predicate::DISJUNCTION, errEltMissingChild(), Predicate::FALSUM, g_assert(), Predicate::getChildren(), ParserElt::getNode(), Predicate::getType(), Predicate::NEGATION, UDATA_GET, unlikely, and Predicate::VERUM.

bool ParserState::popContext ( ParserState *  st,
ParserElt *  elt 
)
static

References Context::addPort(), cast, eltCacheIndexById(), g_assert(), g_assert_nonnull(), objStackPeek(), objStackPop(), resolveInterfaceRef(), UDATA_GET, and unlikely.

bool ParserState::popMedia ( ParserState *  ,
ParserElt *   
)
static

References g_assert(), instanceof, and objStackPop().

bool ParserState::popNcl ( ParserState *  ,
ParserElt *   
)
static

References _doc, Context::addLink(), Object::addSelectionEvent(), Predicate::ATOM, Event::ATTRIBUTION, cast, Predicate::clone(), ParserConnRole::condition, Predicate::CONJUNCTION, Predicate::DISJUNCTION, eltCacheIndex(), eltCacheIndexById(), eltCacheIndexByTag(), errEltBadAttribute(), Action::event, ParserConnRole::eventType, Predicate::FALSUM, g_assert(), g_assert_nonnull(), ParserElt::getAttributes(), Predicate::getChildren(), Event::getId(), Event::getObject(), Document::getObjectByIdOrAlias(), Object::getSelectionEvent(), Predicate::getType(), Event::getType(), ParserLinkBind::iface, ParserConnRole::key, Predicate::NEGATION, ParserLinkBind::node, objStackPop(), ParserLinkBind::params, Action::predicate, ParserConnRole::predicate, Event::PRESENTATION, resolveGhostBindRef(), resolveInterfaceRef(), resolveLinkParamRef(), Event::SELECTION, Event::setParameter(), Action::transition, ParserConnRole::transition, UDATA_GET, unlikely, Action::value, ParserConnRole::value, and Predicate::VERUM.

bool ParserState::popRegion ( ParserState *  st,
ParserElt *  elt 
)
static

References _rect, g_assert(), g_assert_nonnull(), getData(), ParserElt::getParentNode(), pointerof, and toCPPString.

Document * ParserState::process ( xmlDoc *  xml)

References g_assert_nonnull(), and unlikely.

Referenced by process().

bool ParserState::processNode ( xmlNode *  node)
private

References ATTR_NAME, ATTR_NONEMPTY, ATTR_REQUIRED, ATTR_UNIQUE, ParserSyntaxElt::attributes, ELT_CACHE, ELT_GEN_ID, ParserSyntaxElt::flags, g_assert(), g_assert_nonnull(), ParserSyntaxElt::parents, parser_syntax_table_get_possible_children(), parser_syntax_table_index(), ParserElt::ParserElt(), ParserSyntaxElt::pop, ParserSyntaxElt::push, ParserElt::setAttribute(), toCPPString, unlikely, xmlGetPropAsString(), xmlIsValidName(), and xstrbuild().

bool ParserState::pushArea ( ParserState *  st,
ParserElt *  elt 
)
static

References Object::addPresentationEvent(), cast, g_assert(), g_assert_nonnull(), ParserElt::getAttribute(), GINGA_TIME_NONE, objStackPeek(), and parse_time().

bool ParserState::pushAttributeAssessment ( ParserState *  st,
ParserElt *  elt 
)
static

References eltCacheIndexParent(), errEltBadChild(), g_assert(), ParserElt::getAttribute(), ParserElt::getData(), ParserElt::getNode(), ParserElt::getTag(), leftOrRightCleanup(), UDATA_GET, and UDATA_SET.

bool ParserState::pushBind ( ParserState *  st,
ParserElt *  elt 
)
static

References ParserLinkBind::component, eltCacheIndexParent(), g_assert(), ParserElt::getAttribute(), ParserElt::getNode(), ParserLinkBind::iface, ParserLinkBind::node, ParserLinkBind::role, UDATA_GET, and UDATA_SET.

bool ParserState::pushCausalConnector ( ParserState *  st,
ParserElt *  elt 
)
static

References assessCleanup(), rolesCleanup(), and UDATA_SET.

bool ParserState::pushCompoundCondition ( ParserState *  ,
ParserElt *   
)
static

References Predicate::CONJUNCTION, predCleanup(), and UDATA_SET.

bool ParserState::pushCompoundStatement ( ParserState *  st,
ParserElt *  elt 
)
static

References Predicate::addChild(), eltCacheIndexParent(), errEltBadAttribute(), errEltBadChild(), g_assert(), ParserElt::getAttribute(), Predicate::getChildren(), ParserElt::getNode(), ParserElt::getTag(), Predicate::getType(), Predicate::NEGATION, parser_syntax_parse_bool(), Predicate::toString(), TRACE, UDATA_GET, UDATA_SET, and unlikely.

bool ParserState::pushContext ( ParserState *  st,
ParserElt *  elt 
)
static

References Object::addAlias(), Composition::addChild(), cast, g_assert(), g_assert_nonnull(), ParserElt::getAttribute(), ParserElt::getTag(), objStackPeek(), objStackPush(), portsCleanup(), and UDATA_SET.

bool ParserState::pushDescriptorParam ( ParserState *  st,
ParserElt *  elt 
)
static

References eltCacheIndexParent(), g_assert(), ParserElt::getAttribute(), ParserElt::getNode(), and ParserElt::setAttribute().

bool ParserState::pushLink ( ParserState *  ,
ParserElt *   
)
static

References bindsCleanup(), cast, g_assert_nonnull(), objStackPeek(), paramsCleanup(), and UDATA_SET.

bool ParserState::pushLinkParam ( ParserState *  st,
ParserElt *  elt 
)
static

References eltCacheIndexParent(), g_assert(), ParserElt::getAttribute(), ParserElt::getNode(), and UDATA_GET.

bool ParserState::pushMedia ( ParserState *  st,
ParserElt *  elt 
)
static

References _doc, _xml, Object::addAlias(), Composition::addChild(), cast, g_assert(), g_assert_nonnull(), ParserElt::getAttribute(), Document::getSettings(), objStackPeek(), objStackPush(), toCPPString, xpathbuildabs(), xpathdirname(), xpathisabs(), and xpathisuri().

bool ParserState::pushNcl ( ParserState *  st,
ParserElt *  elt 
)
static

References _doc, Object::addAlias(), g_assert_nonnull(), ParserElt::getAttribute(), Document::getRoot(), and objStackPush().

bool ParserState::pushPort ( ParserState *  st,
ParserElt *  elt 
)
static

References eltCacheIndexParent(), g_assert(), ParserElt::getAttribute(), ParserElt::getNode(), and UDATA_GET.

bool ParserState::pushProperty ( ParserState *  st,
ParserElt *  elt 
)
static

References Object::addAttributionEvent(), cast, g_assert(), g_assert_nonnull(), ParserElt::getAttribute(), objStackPeek(), and Object::setProperty().

bool ParserState::pushRegion ( ParserState *  st,
ParserElt *  elt 
)
static

References _rect, g_assert_nonnull(), ParserElt::getAttribute(), ParserElt::getParentNode(), parse_percent(), savedRectCleanup(), ParserElt::setAttribute(), toCPPString, UDATA_GET, UDATA_SET, and xstrbuild().

bool ParserState::pushSimpleCondition ( ParserState *  st,
ParserElt *  elt 
)
static

References Event::ATTRIBUTION, Predicate::clone(), ParserConnRole::condition, eltCacheIndexParent(), errEltBadAttribute(), errEltMissingAttribute(), ParserConnRole::eventType, g_assert(), g_assert_nonnull(), ParserElt::getAttribute(), ParserElt::getNode(), ParserElt::getTag(), ParserConnRole::key, ParserConnRole::node, parser_syntax_reserved_role_table_index(), ParserConnRole::predicate, ParserConnRole::role, Event::SELECTION, ParserConnRole::transition, UDATA_GET, unlikely, and ParserConnRole::value.

bool ParserState::resolveComponentRef ( Context *  parent,
ParserElt *  elt,
Object **  result 
)
private

References g_assert(), ParserElt::getAttribute(), Composition::getChildByIdOrAlias(), Object::getId(), ParserElt::getNode(), Object::hasAlias(), tryset, and unlikely.

bool ParserState::resolveGhostBindRef ( Context *  parent,
ParserElt *  bind_elt,
string *  result 
)
private

References g_assert(), ParserElt::getAttribute(), Object::getId(), ParserElt::getNode(), ParserElt::getTag(), tryset, and unlikely.

Referenced by popNcl().

bool ParserState::resolveInterfaceRef ( Context *  parent,
ParserElt *  elt,
Event **  result 
)
private

References cast, g_assert(), g_assert_nonnull(), ParserElt::getAttribute(), Object::getAttributionEvent(), Object::getId(), Object::getLambda(), ParserElt::getNode(), Object::getPresentationEvent(), ParserElt::getTag(), instanceof, tryset, and unlikely.

Referenced by popContext(), and popNcl().

string ParserState::resolveLinkParamRef ( const string &  value,
const map< string, string > *  bindParams,
const map< string, string > *  linkParams,
const map< string, string > *  ghosts 
)
private

Referenced by popNcl().

bool ParserState::setData ( const string &  key,
void *  value,
UserDataCleanFunc  fn = nullptr 
)
private

References ParserElt::_udata, and UserData::setData().

Member Data Documentation

Document* ParserState::_doc
private

Referenced by popNcl(), pushMedia(), and pushNcl().

map<xmlNode *, ParserElt *> ParserState::_eltCache
private
ParserState::Error ParserState::_error
private
string ParserState::_errorMsg
private
int ParserState::_genid
private
list<Object *> ParserState::_objStack
private
Rect ParserState::_rect
private

Referenced by popRegion(), and pushRegion().

UserData ParserState::_udata
private
set<string> ParserState::_unique
private
xmlDoc* ParserState::_xml
private

Referenced by pushMedia().

The documentation for this class was generated from the following file: