93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
#ifndef __SQLPARSER__SQLPARSER_RESULT_H__
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#define __SQLPARSER__SQLPARSER_RESULT_H__
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#include "sql/SQLStatement.h"
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namespace hsql {
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// Represents the result of the SQLParser.
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// If parsing was successful it contains a list of SQLStatement.
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class SQLParserResult {
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public:
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// Initialize with empty statement list.
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SQLParserResult();
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// Initialize with a single statement.
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// Takes ownership of the statement.
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SQLParserResult(SQLStatement* stmt);
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// Move constructor.
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SQLParserResult(SQLParserResult&& moved);
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// Deletes all statements in the result.
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virtual ~SQLParserResult();
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// Set whether parsing was successful.
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void setIsValid(bool isValid);
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// Returns true if parsing was successful.
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bool isValid() const;
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// Returns the number of statements in the result.
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size_t size() const;
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// Set the details of the error, if available.
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// Takes ownership of errorMsg.
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void setErrorDetails(char* errorMsg, int errorLine, int errorColumn);
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// Returns the error message, if an error occurred.
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const char* errorMsg() const;
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// Returns the line number of the occurrance of the error in the query.
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int errorLine() const;
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// Returns the column number of the occurrance of the error in the query.
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int errorColumn() const;
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// Adds a statement to the result list of statements.
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// SQLParserResult takes ownership of the statement.
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void addStatement(SQLStatement* stmt);
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// Gets the SQL statement with the given index.
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const SQLStatement* getStatement(int index) const;
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// Gets the non const SQL statement with the given index.
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SQLStatement* getMutableStatement(int index);
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// Get the list of all statements.
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const std::vector<SQLStatement*>& getStatements() const;
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// Returns a copy of the list of all statements in this result.
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// Removes them from this result.
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std::vector<SQLStatement*> releaseStatements();
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// Deletes all statements and other data within the result.
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void reset();
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// Does NOT take ownership.
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void addParameter(Expr* parameter);
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const std::vector<Expr*>& parameters();
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private:
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// List of statements within the result.
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std::vector<SQLStatement*> statements_;
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// Flag indicating the parsing was successful.
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bool isValid_;
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// Error message, if an error occurred.
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char* errorMsg_;
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// Line number of the occurrance of the error in the query.
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int errorLine_;
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// Column number of the occurrance of the error in the query.
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int errorColumn_;
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// Does NOT have ownership.
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std::vector<Expr*> parameters_;
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};
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} // namespace hsql
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#endif // __SQLPARSER__SQLPARSER_RESULT_H__
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