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  • Committer: alvherre
  • Date: 2005-12-16 21:24:52 UTC
  • Revision ID: svn-v4:db760fc0-0f08-0410-9d63-cc6633f64896:trunk:1
Initial import of the REL8_0_3 sources from the Pgsql CVS repository.

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src/bin/psql/psqlscan.h
 
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/*
 
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 * psql - the PostgreSQL interactive terminal
 
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 *
 
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 * Copyright (c) 2000-2005, PostgreSQL Global Development Group
 
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 *
 
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 * $PostgreSQL: pgsql/src/bin/psql/psqlscan.h,v 1.5 2005-01-01 05:43:08 momjian Exp $
 
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 */
 
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#ifndef PSQLSCAN_H
 
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#define PSQLSCAN_H
 
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#include "pqexpbuffer.h"
 
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#include "prompt.h"
 
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/* Abstract type for lexer's internal state */
 
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typedef struct PsqlScanStateData *PsqlScanState;
 
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/* Termination states for psql_scan() */
 
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typedef enum
 
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{
 
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        PSCAN_SEMICOLON,                        /* found command-ending semicolon */
 
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        PSCAN_BACKSLASH,                        /* found backslash command */
 
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        PSCAN_INCOMPLETE,                       /* end of line, SQL statement incomplete */
 
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        PSCAN_EOL                                       /* end of line, SQL possibly complete */
 
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} PsqlScanResult;
 
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/* Different ways for scan_slash_option to handle parameter words */
 
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enum slash_option_type
 
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{
 
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        OT_NORMAL,                                      /* normal case */
 
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        OT_SQLID,                                       /* treat as SQL identifier */
 
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        OT_SQLIDHACK,                           /* SQL identifier, but don't downcase */
 
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        OT_FILEPIPE,                            /* it's a filename or pipe */
 
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        OT_WHOLE_LINE,                          /* just snarf the rest of the line */
 
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        OT_VERBATIM                                     /* literal (no backticks or variables) */
 
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};
 
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extern PsqlScanState psql_scan_create(void);
 
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extern void psql_scan_destroy(PsqlScanState state);
 
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extern void psql_scan_setup(PsqlScanState state,
 
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                                const char *line, int line_len);
 
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extern void psql_scan_finish(PsqlScanState state);
 
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extern PsqlScanResult psql_scan(PsqlScanState state,
 
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                  PQExpBuffer query_buf,
 
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                  promptStatus_t *prompt);
 
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extern void psql_scan_reset(PsqlScanState state);
 
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extern bool psql_scan_in_quote(PsqlScanState state);
 
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extern char *psql_scan_slash_command(PsqlScanState state);
 
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extern char *psql_scan_slash_option(PsqlScanState state,
 
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                                           enum slash_option_type type,
 
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                                           char *quote,
 
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                                           bool semicolon);
 
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extern void psql_scan_slash_command_end(PsqlScanState state);
 
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extern void psql_scan_slash_pushback(PsqlScanState state, const char *str);
 
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#endif   /* PSQLSCAN_H */