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comparison: content/xul/templates/src/nsXULContentUtils.h
content/xul/templates/src/nsXULContentUtils.h
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 | |
| 8 A package of routines shared by the XUL content code. | |
| 9 | |
| 10 */ | |
| 11 | |
| 12 #ifndef nsXULContentUtils_h__ | |
| 13 #define nsXULContentUtils_h__ | |
| 14 | |
| 15 #include "nsISupports.h" | |
| 16 | |
| 17 class nsIAtom; | |
| 18 class nsIContent; | |
| 19 class nsIDocument; | |
| 20 class nsIDOMNodeList; | |
| 21 class nsIRDFNode; | |
| 22 class nsCString; | |
| 23 class nsString; | |
| 24 class nsIRDFResource; | |
| 25 class nsIRDFLiteral; | |
| 26 class nsIRDFService; | |
| 27 class nsIDateTimeFormat; | |
| 28 class nsICollation; | |
| 29 | |
| 30 // errors to pass to LogTemplateError | |
| 31 #define ERROR_TEMPLATE_INVALID_QUERYPROCESSOR \ | |
| 32 "querytype attribute doesn't specify a valid query processor" | |
| 33 #define ERROR_TEMPLATE_INVALID_QUERYSET \ | |
| 34 "unexpected <queryset> element" | |
| 35 #define ERROR_TEMPLATE_NO_MEMBERVAR \ | |
| 36 "no member variable found. Action body should have an element with uri attribute" | |
| 37 #define ERROR_TEMPLATE_WHERE_NO_SUBJECT \ | |
| 38 "<where> element is missing a subject attribute" | |
| 39 #define ERROR_TEMPLATE_WHERE_NO_RELATION \ | |
| 40 "<where> element is missing a rel attribute" | |
| 41 #define ERROR_TEMPLATE_WHERE_NO_VALUE \ | |
| 42 "<where> element is missing a value attribute" | |
| 43 #define ERROR_TEMPLATE_WHERE_NO_VAR \ | |
| 44 "<where> element must have at least one variable as a subject or value" | |
| 45 #define ERROR_TEMPLATE_BINDING_BAD_SUBJECT \ | |
| 46 "<binding> requires a variable for its subject attribute" | |
| 47 #define ERROR_TEMPLATE_BINDING_BAD_PREDICATE \ | |
| 48 "<binding> element is missing a predicate attribute" | |
| 49 #define ERROR_TEMPLATE_BINDING_BAD_OBJECT \ | |
| 50 "<binding> requires a variable for its object attribute" | |
| 51 #define ERROR_TEMPLATE_CONTENT_NOT_FIRST \ | |
| 52 "expected <content> to be first" | |
| 53 #define ERROR_TEMPLATE_MEMBER_NOCONTAINERVAR \ | |
| 54 "<member> requires a variable for its container attribute" | |
| 55 #define ERROR_TEMPLATE_MEMBER_NOCHILDVAR \ | |
| 56 "<member> requires a variable for its child attribute" | |
| 57 #define ERROR_TEMPLATE_TRIPLE_NO_VAR \ | |
| 58 "<triple> should have at least one variable as a subject or object" | |
| 59 #define ERROR_TEMPLATE_TRIPLE_BAD_SUBJECT \ | |
| 60 "<triple> requires a variable for its subject attribute" | |
| 61 #define ERROR_TEMPLATE_TRIPLE_BAD_PREDICATE \ | |
| 62 "<triple> should have a non-variable value as a predicate" | |
| 63 #define ERROR_TEMPLATE_TRIPLE_BAD_OBJECT \ | |
| 64 "<triple> requires a variable for its object attribute" | |
| 65 #define ERROR_TEMPLATE_MEMBER_UNBOUND \ | |
| 66 "neither container or child variables of <member> has a value" | |
| 67 #define ERROR_TEMPLATE_TRIPLE_UNBOUND \ | |
| 68 "neither subject or object variables of <triple> has a value" | |
| 69 #define ERROR_TEMPLATE_BAD_XPATH \ | |
| 70 "XPath expression in query could not be parsed" | |
| 71 #define ERROR_TEMPLATE_BAD_ASSIGN_XPATH \ | |
| 72 "XPath expression in <assign> could not be parsed" | |
| 73 #define ERROR_TEMPLATE_BAD_BINDING_XPATH \ | |
| 74 "XPath expression in <binding> could not be parsed" | |
| 75 #define ERROR_TEMPLATE_STORAGE_BAD_URI \ | |
| 76 "only profile: or file URI are allowed" | |
| 77 #define ERROR_TEMPLATE_STORAGE_CANNOT_OPEN_DATABASE \ | |
| 78 "cannot open given database" | |
| 79 #define ERROR_TEMPLATE_STORAGE_BAD_QUERY \ | |
| 80 "syntax error in the SQL query" | |
| 81 #define ERROR_TEMPLATE_STORAGE_UNKNOWN_QUERY_PARAMETER \ | |
| 82 "the given named parameter is unknown in the SQL query" | |
| 83 #define ERROR_TEMPLATE_STORAGE_WRONG_TYPE_QUERY_PARAMETER \ | |
| 84 "the type of a query parameter is wrong" | |
| 85 #define ERROR_TEMPLATE_STORAGE_QUERY_PARAMETER_NOT_BOUND \ | |
| 86 "a query parameter cannot be bound to the SQL query" | |
| 87 | |
| 88 class nsXULContentUtils | |
| 89 { | |
| 90 protected: | |
| 91 static nsIRDFService* gRDF; | |
| 92 static nsIDateTimeFormat* gFormat; | |
| 93 static nsICollation *gCollation; | |
| 94 | |
| 95 static bool gDisableXULCache; | |
| 96 | |
| 97 static int | |
| 98 DisableXULCacheChangedCallback(const char* aPrefName, void* aClosure); | |
| 99 | |
| 100 public: | |
| 101 static nsresult | |
| 102 Init(); | |
| 103 | |
| 104 static nsresult | |
| 105 Finish(); | |
| 106 | |
| 107 static nsresult | |
| 108 FindChildByTag(nsIContent *aElement, | |
| 109 int32_t aNameSpaceID, | |
| 110 nsIAtom* aTag, | |
| 111 nsIContent **aResult); | |
| 112 | |
| 113 static nsresult | |
| 114 FindChildByResource(nsIContent* aElement, | |
| 115 nsIRDFResource* aResource, | |
| 116 nsIContent** aResult); | |
| 117 | |
| 118 static nsresult | |
| 119 GetElementResource(nsIContent* aElement, nsIRDFResource** aResult); | |
| 120 | |
| 121 static nsresult | |
| 122 GetTextForNode(nsIRDFNode* aNode, nsAString& aResult); | |
| 123 | |
| 124 /** | |
| 125 * Construct a URI from the element ID given. This uses aElement as the | |
| 126 * ref and aDocument's document URI as the base. If aDocument's document | |
| 127 * URI does not support refs, this will throw NS_ERROR_NOT_AVAILABLE. | |
| 128 */ | |
| 129 static nsresult | |
| 130 MakeElementURI(nsIDocument* aDocument, const nsAString& aElementID, nsCString& aURI); | |
| 131 | |
| 132 static nsresult | |
| 133 MakeElementResource(nsIDocument* aDocument, const nsAString& aElementID, nsIRDFResource** aResult); | |
| 134 | |
| 135 /** | |
| 136 * Extract the element ID from aURI. Note that aURI must be an absolute | |
| 137 * URI string in UTF8; the element ID is the ref from the URI. If the | |
| 138 * scheme does not support refs, then the ID will be empty. | |
| 139 */ | |
| 140 static nsresult | |
| 141 MakeElementID(nsIDocument* aDocument, const nsACString& aURI, nsAString& aElementID); | |
| 142 | |
| 143 static nsresult | |
| 144 GetResource(int32_t aNameSpaceID, nsIAtom* aAttribute, nsIRDFResource** aResult); | |
| 145 | |
| 146 static nsresult | |
| 147 GetResource(int32_t aNameSpaceID, const nsAString& aAttribute, nsIRDFResource** aResult); | |
| 148 | |
| 149 static nsresult | |
| 150 SetCommandUpdater(nsIDocument* aDocument, nsIContent* aElement); | |
| 151 | |
| 152 /** | |
| 153 * Log a message to the error console | |
| 154 */ | |
| 155 static void | |
| 156 LogTemplateError(const char* aMsg); | |
| 157 | |
| 158 static nsIRDFService* | |
| 159 RDFService() | |
| 160 { | |
| 161 return gRDF; | |
| 162 } | |
| 163 | |
| 164 static nsICollation* | |
| 165 GetCollation(); | |
| 166 | |
| 167 #define XUL_RESOURCE(ident, uri) static nsIRDFResource* ident | |
| 168 #define XUL_LITERAL(ident, val) static nsIRDFLiteral* ident | |
| 169 #include "nsXULResourceList.h" | |
| 170 #undef XUL_RESOURCE | |
| 171 #undef XUL_LITERAL | |
| 172 }; | |
| 173 | |
| 174 #endif // nsXULContentUtils_h__ |
