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added qse_sio_openstd().

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added QSE_SED_ZEROA1 and related code
This commit is contained in:
hyung-hwan
2011-09-20 00:51:02 +00:00
parent ecaed2c2b3
commit 7de8b649ef
11 changed files with 372 additions and 141 deletions
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37
qse/lib/sed/sed.c
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@ -1,5 +1,5 @@
/*
* $Id: sed.c 568 2011-09-17 15:41:26Z hyunghwan.chung $
* $Id: sed.c 569 2011-09-19 06:51:02Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -1389,6 +1389,14 @@ static int get_command (qse_sed_t* sed, qse_sed_cmd_t* cmd)
if (c != QSE_T('\\'))
{
if ((sed->option & QSE_SED_SAMELINE) &&
c != QSE_CHAR_EOF && c != QSE_T('\n'))
{
/* allow text without a starting backslash
* on the same line as a command */
goto sameline_ok;
}
SETERR0 (sed, QSE_SED_EBSEXP, &sed->src.loc);
return -1;
}
@ -1399,7 +1407,11 @@ static int get_command (qse_sed_t* sed, qse_sed_cmd_t* cmd)
if (c != QSE_CHAR_EOF && c != QSE_T('\n'))
{
if (sed->option & QSE_SED_SAMELINE)
{
/* allow text with a starting backslash
* on the same line as a command */
goto sameline_ok;
}
SETERR0 (sed, QSE_SED_EGBABS, &sed->src.loc);
return -1;
@ -1592,9 +1604,14 @@ int qse_sed_comp (qse_sed_t* sed, const qse_char_t* sptr, qse_size_t slen)
cmd->a1.type == QSE_SED_ADR_LINE &&
cmd->a1.u.lno <= 0)
{
/* 0 is not allowed as a normal line number */
SETERR0 (sed, QSE_SED_EA1MOI, &sed->src.loc);
goto oops;
if (!(sed->option & QSE_SED_ZEROA1) ||
cmd->a2.type != QSE_SED_ADR_REX)
{
/* 0 is not allowed as a normal line number.
* 0,/regex/ is allowed */
SETERR0 (sed, QSE_SED_EA1MOI, &sed->src.loc);
goto oops;
}
}
/* skip white spaces */
@ -2891,6 +2908,18 @@ static int init_command_block_for_exec (qse_sed_t* sed, qse_sed_cmd_blk_t* b)
/* clear states */
c->state.a1_matched = 0;
if (sed->option & QSE_SED_ZEROA1)
{
if (c->a2.type == QSE_SED_ADR_REX &&
c->a1.type == QSE_SED_ADR_LINE &&
c->a1.u.lno <= 0)
{
/* special handling for 0,/regex/ */
c->state.a1_matched = 1;
}
}
c->state.c_ready = 0;
/* let c point to the next command */