comparison: libidav/davqlparser.h
libidav/davqlparser.h
- changeset 85
- 0ab1cf261a44
- parent 83
- 7d20ce5d235b
- child 86
- ecba8bdf9741
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replaced
| 84:7fca3788261d | 85:0ab1cf261a44 |
|---|---|
| 112 * | 112 * |
| 113 * FunctionCall = Identifier, "(", Expression, ")"; | 113 * FunctionCall = Identifier, "(", Expression, ")"; |
| 114 * Identifier = IdentifierChar - ?Digit?, {IdentifierChar} | 114 * Identifier = IdentifierChar - ?Digit?, {IdentifierChar} |
| 115 * | "`", ?Character?, {?Character?}, "`"; | 115 * | "`", ?Character?, {?Character?}, "`"; |
| 116 * IdentifierChar = ?Character - (" "|",")?; | 116 * IdentifierChar = ?Character - (" "|",")?; |
| 117 * Literal = ?Digit?, {?Digit?} | String; | 117 * Literal = Number | String; |
| 118 * Number = ?Digit?, {?Digit?} | "%d"; | |
| 118 * String = "'", {?Character - "'"? | "'''"} , "'"; | 119 * String = "'", {?Character - "'"? | "'''"} , "'"; |
| 119 * | 120 * |
| 120 * LogicalExpression = LogicalExpression, LogicalOperator, LogicalExpression | 121 * LogicalExpression = LogicalExpression, LogicalOperator, LogicalExpression |
| 121 * | "not ", LogicalExpression | 122 * | "not ", LogicalExpression |
| 122 * | Expression, Comparison, Expression | 123 * | Expression, Comparison, Expression |
| 133 * FieldExpression = Identifier | 134 * FieldExpression = Identifier |
| 134 * | Expression, " as ", String; | 135 * | Expression, " as ", String; |
| 135 * SetExpressions = SetExpression, {",", {SetExpressions}; | 136 * SetExpressions = SetExpression, {",", {SetExpressions}; |
| 136 * SetExpression = Identifier, "=", Expression; | 137 * SetExpression = Identifier, "=", Expression; |
| 137 * | 138 * |
| 138 * WithClause = "depth", "=", Expression; | 139 * WithClause = "depth", "=", (Number | "infinity"); |
| 139 * | 140 * |
| 140 * </pre> | 141 * </pre> |
| 141 * | 142 * |
| 142 * Note: mandatory spaces are part of the grammar. But you may also insert an | 143 * Note: mandatory spaces are part of the grammar. But you may also insert an |
| 143 * arbitrary amount of optional spaces between two symbols if they are not part | 144 * arbitrary amount of optional spaces between two symbols if they are not part |
| 187 * <code>NULL</code>, if there is no where clause. | 188 * <code>NULL</code>, if there is no where clause. |
| 188 */ | 189 */ |
| 189 DavQLExpression* where; | 190 DavQLExpression* where; |
| 190 /** | 191 /** |
| 191 * The recursion depth for the statement. | 192 * The recursion depth for the statement. |
| 192 * Defaults to SIZE_MAX (unbound recursion). | 193 * Defaults to 1. |
| 193 */ | 194 */ |
| 194 size_t depth; | 195 int depth; |
| 195 } DavQLStatement; | 196 } DavQLStatement; |
| 197 | |
| 198 /** | |
| 199 * Infinity recursion depth for a DavQLStatement. | |
| 200 */ | |
| 201 #define DAV_DEPTH_INFINITY -1 | |
| 196 | 202 |
| 197 | 203 |
| 198 /** | 204 /** |
| 199 * Starts an interactive debugger for a DavQLStatement. | 205 * Starts an interactive debugger for a DavQLStatement. |
| 200 * | 206 * |
