// public abstract JsonLocation getTokenLocation(); // public abstract JsonLocation getCurrentLocation(); /* /********************************************************** /* Public API, token state overrides /********************************************************** */ public override void clearCurrentToken() { if (_currToken != null) { _lastClearedToken = _currToken; _currToken = null; } }
/// <exception cref="com.epl.geometry.JsonGeometryException"/> public override com.epl.geometry.JsonReader.Token NextToken() { try { com.fasterxml.jackson.core.JsonToken token = m_jsonParser.NextToken(); return(MapToken(token)); } catch (System.Exception ex) { throw new com.epl.geometry.JsonGeometryException(ex); } }
private static com.epl.geometry.JsonReader.Token MapToken(com.fasterxml.jackson.core.JsonToken token) { if (token == com.fasterxml.jackson.core.JsonToken.END_ARRAY) { return(com.epl.geometry.JsonReader.Token.END_ARRAY); } if (token == com.fasterxml.jackson.core.JsonToken.END_OBJECT) { return(com.epl.geometry.JsonReader.Token.END_OBJECT); } if (token == com.fasterxml.jackson.core.JsonToken.FIELD_NAME) { return(com.epl.geometry.JsonReader.Token.FIELD_NAME); } if (token == com.fasterxml.jackson.core.JsonToken.START_ARRAY) { return(com.epl.geometry.JsonReader.Token.START_ARRAY); } if (token == com.fasterxml.jackson.core.JsonToken.START_OBJECT) { return(com.epl.geometry.JsonReader.Token.START_OBJECT); } if (token == com.fasterxml.jackson.core.JsonToken.VALUE_FALSE) { return(com.epl.geometry.JsonReader.Token.VALUE_FALSE); } if (token == com.fasterxml.jackson.core.JsonToken.VALUE_NULL) { return(com.epl.geometry.JsonReader.Token.VALUE_NULL); } if (token == com.fasterxml.jackson.core.JsonToken.VALUE_NUMBER_FLOAT) { return(com.epl.geometry.JsonReader.Token.VALUE_NUMBER_FLOAT); } if (token == com.fasterxml.jackson.core.JsonToken.VALUE_NUMBER_INT) { return(com.epl.geometry.JsonReader.Token.VALUE_NUMBER_INT); } if (token == com.fasterxml.jackson.core.JsonToken.VALUE_STRING) { return(com.epl.geometry.JsonReader.Token.VALUE_STRING); } if (token == com.fasterxml.jackson.core.JsonToken.VALUE_TRUE) { return(com.epl.geometry.JsonReader.Token.VALUE_TRUE); } if (token == null) { return(null); } throw new com.epl.geometry.JsonGeometryException("unexpected token"); }
/// <summary> /// Offlined handling for cases where there was no buffered token to /// return, and the token read next could not be returned as-is, /// at least not yet, but where we have not yet established that /// buffering is needed. /// </summary> /// <exception cref="System.IO.IOException"/> protected internal com.fasterxml.jackson.core.JsonToken _nextToken2() { while (true) { com.fasterxml.jackson.core.JsonToken t = delegate_.nextToken(); if (t == null) { // is this even legal? return (_currToken = t); } com.fasterxml.jackson.core.filter.TokenFilter f; switch (t.id()) { case JsonTokenIdConstants.ID_START_ARRAY: { f = _itemFilter; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildArrayContext(f, true); return (_currToken = t); } if (f == null) { // does this occur? delegate_.skipChildren(); goto main_loop_continue; } // Otherwise still iffy, need to check f = _headContext.checkValue(f); if (f == null) { delegate_.skipChildren(); goto main_loop_continue; } if (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { f = f.filterStartArray(); } _itemFilter = f; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildArrayContext(f, true); return (_currToken = t); } _headContext = _headContext.createChildArrayContext(f, false); // but if we didn't figure it out yet, need to buffer possible events if (_includePath) { t = _nextTokenWithBuffering(_headContext); if (t != null) { _currToken = t; return t; } } goto main_loop_continue; } case JsonTokenIdConstants.ID_START_OBJECT: { f = _itemFilter; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildObjectContext(f, true); return (_currToken = t); } if (f == null) { // does this occur? delegate_.skipChildren(); goto main_loop_continue; } // Otherwise still iffy, need to check f = _headContext.checkValue(f); if (f == null) { delegate_.skipChildren(); goto main_loop_continue; } if (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { f = f.filterStartObject(); } _itemFilter = f; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildObjectContext(f, true); return (_currToken = t); } _headContext = _headContext.createChildObjectContext(f, false); if (_includePath) { t = _nextTokenWithBuffering(_headContext); if (t != null) { _currToken = t; return t; } } goto main_loop_continue; } case JsonTokenIdConstants.ID_END_ARRAY: case JsonTokenIdConstants.ID_END_OBJECT: { bool returnEnd = _headContext.isStartHandled(); f = _headContext.getFilter(); if ((f != null) && (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL )) { f.filterFinishArray(); } _headContext = ((com.fasterxml.jackson.core.filter.TokenFilterContext)_headContext .getParent()); _itemFilter = _headContext.getFilter(); if (returnEnd) { return (_currToken = t); } goto main_loop_continue; } case JsonTokenIdConstants.ID_FIELD_NAME: { string name = delegate_.getCurrentName(); f = _headContext.setFieldName(name); if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _itemFilter = f; return (_currToken = t); } if (f == null) { // filter out the value delegate_.nextToken(); delegate_.skipChildren(); goto main_loop_continue; } f = f.includeProperty(name); if (f == null) { // filter out the value delegate_.nextToken(); delegate_.skipChildren(); goto main_loop_continue; } _itemFilter = f; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { if (_includePath) { return (_currToken = t); } // if (_includeImmediateParent) { ... goto main_loop_continue; } if (_includePath) { t = _nextTokenWithBuffering(_headContext); if (t != null) { _currToken = t; return t; } } goto main_loop_continue; } default: { // scalar value f = _itemFilter; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { return (_currToken = t); } if (f != null) { f = _headContext.checkValue(f); if ((f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) || ((f != null ) && f.includeValue(delegate_))) { return (_currToken = t); } } // Otherwise not included (leaves must be explicitly included) break; } } main_loop_continue: ; } main_loop_break: ; }
/* /********************************************************** /* Public API, traversal /********************************************************** */ /// <exception cref="System.IO.IOException"/> public override com.fasterxml.jackson.core.JsonToken nextToken() { // Anything buffered? com.fasterxml.jackson.core.filter.TokenFilterContext ctxt = _exposedContext; if (ctxt != null) { while (true) { com.fasterxml.jackson.core.JsonToken t = ctxt.nextTokenToRead(); if (t != null) { _currToken = t; return t; } // all done with buffered stuff? if (ctxt == _headContext) { _exposedContext = null; if (ctxt.inArray()) { t = delegate_.getCurrentToken(); // Is this guaranteed to work without further checks? // if (t != JsonToken.START_ARRAY) { _currToken = t; return t; } // Almost! Most likely still have the current token; // with the sole exception of /* t = delegate.getCurrentToken(); if (t != JsonToken.FIELD_NAME) { _currToken = t; return t; } */ break; } // If not, traverse down the context chain ctxt = _headContext.findChildOf(ctxt); _exposedContext = ctxt; if (ctxt == null) { // should never occur throw _constructError("Unexpected problem: chain of filtered context broken"); } } } // If not, need to read more. If we got any: com.fasterxml.jackson.core.JsonToken t_1 = delegate_.nextToken(); if (t_1 == null) { // no strict need to close, since we have no state here return (_currToken = t_1); } // otherwise... to include or not? com.fasterxml.jackson.core.filter.TokenFilter f; switch (t_1.id()) { case JsonTokenIdConstants.ID_START_ARRAY: { f = _itemFilter; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildArrayContext(f, true); return (_currToken = t_1); } if (f == null) { // does this occur? delegate_.skipChildren(); break; } // Otherwise still iffy, need to check f = _headContext.checkValue(f); if (f == null) { delegate_.skipChildren(); break; } if (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { f = f.filterStartArray(); } _itemFilter = f; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildArrayContext(f, true); return (_currToken = t_1); } _headContext = _headContext.createChildArrayContext(f, false); // Also: only need buffering if parent path to be included if (_includePath) { t_1 = _nextTokenWithBuffering(_headContext); if (t_1 != null) { _currToken = t_1; return t_1; } } break; } case JsonTokenIdConstants.ID_START_OBJECT: { f = _itemFilter; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildObjectContext(f, true); return (_currToken = t_1); } if (f == null) { // does this occur? delegate_.skipChildren(); break; } // Otherwise still iffy, need to check f = _headContext.checkValue(f); if (f == null) { delegate_.skipChildren(); break; } if (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { f = f.filterStartObject(); } _itemFilter = f; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _headContext = _headContext.createChildObjectContext(f, true); return (_currToken = t_1); } _headContext = _headContext.createChildObjectContext(f, false); // Also: only need buffering if parent path to be included if (_includePath) { t_1 = _nextTokenWithBuffering(_headContext); if (t_1 != null) { _currToken = t_1; return t_1; } } // note: inclusion of surrounding Object handled separately via // FIELD_NAME break; } case JsonTokenIdConstants.ID_END_ARRAY: case JsonTokenIdConstants.ID_END_OBJECT: { bool returnEnd = _headContext.isStartHandled(); f = _headContext.getFilter(); if ((f != null) && (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL )) { f.filterFinishArray(); } _headContext = ((com.fasterxml.jackson.core.filter.TokenFilterContext)_headContext .getParent()); _itemFilter = _headContext.getFilter(); if (returnEnd) { return (_currToken = t_1); } break; } case JsonTokenIdConstants.ID_FIELD_NAME: { string name = delegate_.getCurrentName(); // note: this will also set 'needToHandleName' f = _headContext.setFieldName(name); if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { _itemFilter = f; if (!_includePath) { // Minor twist here: if parent NOT included, may need to induce output of // surrounding START_OBJECT/END_OBJECT if (_includeImmediateParent && !_headContext.isStartHandled()) { t_1 = _headContext.nextTokenToRead(); // returns START_OBJECT but also marks it handled _exposedContext = _headContext; } } return (_currToken = t_1); } if (f == null) { delegate_.nextToken(); delegate_.skipChildren(); break; } f = f.includeProperty(name); if (f == null) { delegate_.nextToken(); delegate_.skipChildren(); break; } _itemFilter = f; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { if (_includePath) { return (_currToken = t_1); } } if (_includePath) { t_1 = _nextTokenWithBuffering(_headContext); if (t_1 != null) { _currToken = t_1; return t_1; } } break; } default: { // scalar value f = _itemFilter; if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) { return (_currToken = t_1); } if (f != null) { f = _headContext.checkValue(f); if ((f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) || ((f != null ) && f.includeValue(delegate_))) { return (_currToken = t_1); } } // Otherwise not included (leaves must be explicitly included) break; } } // We get here if token was not yet found; offlined handling return _nextToken2(); }