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/*-------------------------------------------------------------------------
*
* String-processing utility routines for frontend code
*
* Utility functions that interpret backend output or quote strings for
* assorted contexts.
*
*
* Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/fe_utils/string_utils.h
*
*-------------------------------------------------------------------------
*/
#ifndef STRING_UTILS_H
#define STRING_UTILS_H
#include "libpq-fe.h"
#include "pqexpbuffer.h"
/* Global variables controlling behavior of fmtId() and fmtQualifiedId() */
extern int quote_all_identifiers;
extern PQExpBuffer (*getLocalPQExpBuffer) (void);
/* Functions */
extern const char *fmtId(const char *identifier);
extern const char *fmtQualifiedId(const char *schema, const char *id);
extern char *formatPGVersionNumber(int version_number, bool include_minor,
char *buf, size_t buflen);
extern void appendStringLiteral(PQExpBuffer buf, const char *str,
int encoding, bool std_strings);
extern void appendStringLiteralConn(PQExpBuffer buf, const char *str,
PGconn *conn);
extern void appendStringLiteralDQ(PQExpBuffer buf, const char *str,
const char *dqprefix);
extern void appendByteaLiteral(PQExpBuffer buf,
const unsigned char *str, size_t length,
bool std_strings);
extern void appendShellString(PQExpBuffer buf, const char *str);
extern bool appendShellStringNoError(PQExpBuffer buf, const char *str);
extern void appendConnStrVal(PQExpBuffer buf, const char *str);
extern void appendPsqlMetaConnect(PQExpBuffer buf, const char *dbname);
extern bool parsePGArray(const char *atext, char ***itemarray, int *nitems);
extern bool appendReloptionsArray(PQExpBuffer buffer, const char *reloptions,
const char *prefix, int encoding, bool std_strings);
extern bool processSQLNamePattern(PGconn *conn, PQExpBuffer buf,
const char *pattern,
bool have_where, bool force_escape,
const char *schemavar, const char *namevar,
const char *altnamevar, const char *visibilityrule,
PQExpBuffer dbnamebuf, int *dotcnt);
extern void patternToSQLRegex(int encoding, PQExpBuffer dbnamebuf,
PQExpBuffer schemabuf, PQExpBuffer namebuf,
const char *pattern, bool force_escape,
bool want_literal_dbname, int *dotcnt);
#endif /* STRING_UTILS_H */
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