0c3bb27e58
config as it is very specific to the PgLab codebase. More hard programmed templates moved out of codebuilder to the language config.
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
#ifndef CODEBUILDER_H
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#define CODEBUILDER_H
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#include "Pgsql_declare.h"
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#include <QString>
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#include <vector>
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class LanguageConfig;
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class QTextStream;
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class CodeBuilder {
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public:
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class ColumnData {
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public:
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Oid oid;
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QString columnName;
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QString varName; ///< either field of the struct or in loop local var name
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};
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using ColumnDataList = std::vector<ColumnData>;
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ColumnDataList createColumnDataList(const Pgsql::Result &result) const;
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void setLanguageConfig(std::shared_ptr<const LanguageConfig> config){
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m_configuration = config;
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}
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void GenCodeForExecutingQuery(QTextStream &q, const QString &query, const Pgsql::Result &result, QString structname);
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void GenReturnStructDefinition(QTextStream &q, const ColumnDataList &columns, QString structname) const;
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// Generating code for performing query and going through the result
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// - Code for executing the query
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// - Code for looping the result
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// - Code for processing a single row
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// - Declaration of struct for holding single row result
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QString columnNameToVariableName(QString column_name) const;
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QString getTypeName(Oid dbtype) const;
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private:
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std::shared_ptr<const LanguageConfig> m_configuration;
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void genStructFields(QTextStream &q, const ColumnDataList &columns) const;
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void genFieldRetrieval(QTextStream &q, const ColumnDataList &columns) const;
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void genFieldDeclaration(QTextStream &q, const QString &format, const QString &field_name, Oid column_type) const;
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};
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#endif // CODEBUILDER_H
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