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wrote more code for sed

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This commit is contained in:
hyung-hwan 2009-05-03 06:16:24 +00:00
parent ddb5d309d4
commit bafb6e59e9
4 changed files with 326 additions and 84 deletions
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43
qse/include/qse/utl/sed.h
View File

@ -31,8 +31,10 @@ enum qse_sed_errnum_t
QSE_SED_ENOMEM, /* no memory */
QSE_SED_ETMTXT, /* too much text */
QSE_SED_ECMDNR, /* command not recognized */
QSE_SED_ECMDMS, /* command missing */
QSE_SED_ECMDGB, /* command garbled */
QSE_SED_EREXBL, /* regular expression build error */
QSE_SED_EREXMA, /* regular expression match error */
QSE_SED_EA1PHB, /* address 1 prohibited */
QSE_SED_EA2PHB, /* address 2 prohibited */
QSE_SED_ENEWLN, /* a new line is expected */
@ -59,7 +61,9 @@ enum qse_sed_option_t
{
QSE_SED_STRIPLS = (1 << 0), /* strip leading spaces from text*/
QSE_SED_KEEPTBS = (1 << 1), /* keep an trailing backslash */
QSE_SED_ENSURENL = (1 << 2) /* ensure NL at the text end */
QSE_SED_ENSURENL = (1 << 2), /* ensure NL at the text end */
QSE_SED_QUIET = (1 << 3), /* do not print pattern space */
QSE_SED_CLASSIC = (1 << 4)
};
enum qse_sed_io_cmd_t
@ -81,15 +85,42 @@ typedef qse_ssize_t (*qse_sed_iof_t) (
qse_size_t count
);
typedef qse_bool_t (*qse_sed_isccls_t) (
qse_sed_t* sed,
qse_cint_t c,
qse_ccls_id_t type
);
typedef qse_cint_t (*qse_sed_toccls_t) (
qse_sed_t* sed,
qse_cint_t c,
qse_ccls_id_t type
);
typedef struct qse_sed_cmd_t qse_sed_cmd_t; /* command */
typedef enum qse_sed_errnum_t qse_sed_errnum_t;
/****f* Text Processor/qse_sed_prm_t
* NAME
* qse_sed_prm_t - define primitive functions
* SYNOPSIS
*/
struct qse_sed_prm_t
{
qse_sed_isccls_t isccls;
qse_sed_toccls_t toccls;
};
typedef struct qse_sed_prm_t qse_sed_prm_t;
/******/
struct qse_sed_t
{
QSE_DEFINE_COMMON_FIELDS (sed)
qse_sed_errnum_t errnum;
int option;
qse_ccls_t ccls;
/* source code pointers */
struct
{
@ -158,8 +189,9 @@ QSE_DEFINE_COMMON_FUNCTIONS (sed)
* SYNOPSIS
*/
qse_sed_t* qse_sed_open (
qse_mmgr_t* mmgr,
qse_size_t xtn
qse_mmgr_t* mmgr,
qse_size_t xtn,
qse_sed_prm_t* prm
);
/******/
@ -179,8 +211,9 @@ void qse_sed_close (
* SYNOPSIS
*/
qse_sed_t* qse_sed_init (
qse_sed_t* sed,
qse_mmgr_t* mmgr
qse_sed_t* sed,
qse_mmgr_t* mmgr,
qse_sed_prm_t* prm
);
/******/

8
qse/lib/cmn/str_dyn.c
View File

@ -1,5 +1,5 @@
/*
* $Id: str_dyn.c 110 2009-03-24 05:52:27Z hyunghwan.chung $
* $Id: str_dyn.c 124 2009-05-02 12:16:24Z hyunghwan.chung $
*
Copyright 2006-2009 Chung, Hyung-Hwan.
@ -187,7 +187,11 @@ qse_size_t qse_str_setlen (qse_str_t* str, qse_size_t len)
void qse_str_clear (qse_str_t* str)
{
str->len = 0;
str->ptr[0] = QSE_T('\0');
if (str->ptr != QSE_NULL)
{
QSE_ASSERT (str->capa >= 1);
str->ptr[0] = QSE_T('\0');
}
}
void qse_str_swap (qse_str_t* str, qse_str_t* str1)

339
qse/lib/utl/sed.c
View File

@ -25,7 +25,9 @@
QSE_IMPLEMENT_COMMON_FUNCTIONS (sed)
qse_sed_t* qse_sed_open (qse_mmgr_t* mmgr, qse_size_t xtn)
static void free_command (qse_sed_t* sed, qse_sed_cmd_t* cmd);
qse_sed_t* qse_sed_open (qse_mmgr_t* mmgr, qse_size_t xtn, qse_sed_prm_t* prm)
{
qse_sed_t* sed;
@ -42,7 +44,7 @@ qse_sed_t* qse_sed_open (qse_mmgr_t* mmgr, qse_size_t xtn)
sed = (qse_sed_t*) QSE_MMGR_ALLOC (mmgr, QSE_SIZEOF(qse_sed_t) + xtn);
if (sed == QSE_NULL) return QSE_NULL;
if (qse_sed_init (sed, mmgr) == QSE_NULL)
if (qse_sed_init (sed, mmgr, prm) == QSE_NULL)
{
QSE_MMGR_FREE (sed->mmgr, sed);
return QSE_NULL;
@ -57,7 +59,7 @@ void qse_sed_close (qse_sed_t* sed)
QSE_MMGR_FREE (sed->mmgr, sed);
}
qse_sed_t* qse_sed_init (qse_sed_t* sed, qse_mmgr_t* mmgr)
qse_sed_t* qse_sed_init (qse_sed_t* sed, qse_mmgr_t* mmgr, qse_sed_prm_t* prm)
{
QSE_MEMSET (sed, 0, sizeof(*sed));
sed->mmgr = mmgr;
@ -89,6 +91,11 @@ qse_sed_t* qse_sed_init (qse_sed_t* sed, qse_mmgr_t* mmgr)
sed->cmd.cur = sed->cmd.buf;
sed->cmd.end = sed->cmd.buf + 1000 - 1;
/* build a character classifier from the primitive functions */
sed->ccls.is = (qse_ccls_is_t) prm->isccls;
sed->ccls.to = (qse_ccls_to_t) prm->toccls;
sed->ccls.data = sed;
return sed;
}
@ -98,43 +105,7 @@ void qse_sed_fini (qse_sed_t* sed)
qse_sed_cmd_t* c;
for (c = sed->cmd.buf; c != sed->cmd.cur; c++)
{
switch (c->type)
{
case QSE_SED_CMD_A:
case QSE_SED_CMD_C:
case QSE_SED_CMD_I:
if (c->u.text.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, c->u.text.ptr);
break;
case QSE_SED_CMD_B:
case QSE_SED_CMD_T:
if (c->u.branch.label.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, c->u.branch.label.ptr);
break;
case QSE_SED_CMD_S:
if (c->u.subst.file.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, c->u.subst.file.ptr);
if (c->u.subst.rpl.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, c->u.subst.rpl.ptr);
if (c->u.subst.rex != QSE_NULL)
qse_freerex (sed->mmgr, c->u.subst.rex);
break;
case QSE_SED_CMD_Y:
if (c->u.transet.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, c->u.transet.ptr);
break;
case QSE_SED_CMD_R:
case QSE_SED_CMD_RR:
case QSE_SED_CMD_W:
case QSE_SED_CMD_WW:
if (c->u.file.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, c->u.file.ptr);
break;
}
free_command (sed, c);
}
QSE_MMGR_FREE (sed->mmgr, sed->cmd.buf);
@ -150,8 +121,10 @@ const qse_char_t* qse_sed_geterrmsg (qse_sed_t* sed)
QSE_T("out of memory"),
QSE_T("too much text"),
QSE_T("command not recognized"),
QSE_T("command missing"),
QSE_T("command garbled"),
QSE_T("regular expression build error"),
QSE_T("regular expression match error"),
QSE_T("address 1 prohibited"),
QSE_T("address 2 prohibited"),
QSE_T("a new line expected"),
@ -188,6 +161,11 @@ int qse_sed_getoption (qse_sed_t* sed)
return sed->option;
}
qse_ccls_t* qse_sed_getccls (qse_sed_t* sed)
{
return &sed->ccls;
}
/* get the current charanter of the source code */
#define CURSC(sed) \
(((sed)->src.cur < (sed)->src.end)? (*(sed)->src.cur): QSE_CHAR_EOF)
@ -206,7 +184,66 @@ int qse_sed_getoption (qse_sed_t* sed)
(c == QSE_CHAR_EOF || c == QSE_T('#') || \
c == QSE_T(';') || IS_LINTERM(c))
static void* compile_regex (qse_sed_t* sed, qse_char_t rxend)
static void free_address (qse_sed_t* sed, qse_sed_cmd_t* cmd)
{
if (cmd->a2.type == QSE_SED_A_REX)
{
QSE_ASSERT (cmd->a2.u.rex != QSE_NULL);
qse_freerex (sed->mmgr, cmd->a2.u.rex);
cmd->a2.type = QSE_SED_A_NONE;
}
if (cmd->a1.type == QSE_SED_A_REX)
{
QSE_ASSERT (cmd->a1.u.rex != QSE_NULL);
qse_freerex (sed->mmgr, cmd->a1.u.rex);
cmd->a1.type = QSE_SED_A_NONE;
}
}
static void free_command (qse_sed_t* sed, qse_sed_cmd_t* cmd)
{
free_address (sed, cmd);
switch (cmd->type)
{
case QSE_SED_CMD_A:
case QSE_SED_CMD_C:
case QSE_SED_CMD_I:
if (cmd->u.text.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, cmd->u.text.ptr);
break;
case QSE_SED_CMD_B:
case QSE_SED_CMD_T:
if (cmd->u.branch.label.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, cmd->u.branch.label.ptr);
break;
case QSE_SED_CMD_S:
if (cmd->u.subst.file.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, cmd->u.subst.file.ptr);
if (cmd->u.subst.rpl.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, cmd->u.subst.rpl.ptr);
if (cmd->u.subst.rex != QSE_NULL)
qse_freerex (sed->mmgr, cmd->u.subst.rex);
break;
case QSE_SED_CMD_Y:
if (cmd->u.transet.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, cmd->u.transet.ptr);
break;
case QSE_SED_CMD_R:
case QSE_SED_CMD_RR:
case QSE_SED_CMD_W:
case QSE_SED_CMD_WW:
if (cmd->u.file.ptr != QSE_NULL)
QSE_MMGR_FREE (sed->mmgr, cmd->u.file.ptr);
break;
}
}
static void* compile_rex (qse_sed_t* sed, qse_char_t rxend)
{
void* code;
qse_cint_t c;
@ -215,8 +252,7 @@ static void* compile_regex (qse_sed_t* sed, qse_char_t rxend)
for (;;)
{
ADVSCP (sed);
c = CURSC (sed);
c = NXTSC (sed);
if (c == QSE_CHAR_EOF || c == QSE_T('\n'))
{
sed->errnum = QSE_SED_ETMTXT;
@ -247,6 +283,10 @@ static void* compile_regex (qse_sed_t* sed, qse_char_t rxend)
}
/* TODO: maximum depth - optionize the second parameter */
qse_printf (QSE_T("rexbuff=>[%.*s]\n"),
(int)QSE_STR_LEN(&sed->rexbuf),
QSE_STR_PTR(&sed->rexbuf));
code = qse_buildrex (
sed->mmgr, 0,
QSE_STR_PTR(&sed->rexbuf),
@ -275,12 +315,12 @@ static qse_sed_a_t* address (qse_sed_t* sed, qse_sed_a_t* a)
}
else if (c == QSE_T('/'))
{
ADVSCP (sed);
if (compile_regex (sed, c) == QSE_NULL)
if (compile_rex (sed, c) == QSE_NULL)
return QSE_NULL;
a->u.rex = sed->lastrex;
a->type = QSE_SED_A_REX;
ADVSCP (sed);
}
else if (c >= QSE_T('0') && c <= QSE_T('9'))
{
@ -300,7 +340,21 @@ static qse_sed_a_t* address (qse_sed_t* sed, qse_sed_a_t* a)
}
else if (c == QSE_T('\\'))
{
/* TODO */
c = NXTSC (sed);
if (c == QSE_CHAR_EOF || c == QSE_T('\n'))
{
/* TODO: change error code -
* unterminated address regular expression */
sed->errnum = QSE_SED_ETMTXT;
return QSE_NULL;
}
if (compile_rex (sed, c) == QSE_NULL)
return QSE_NULL;
a->u.rex = sed->lastrex;
a->type = QSE_SED_A_REX;
ADVSCP (sed);
}
else
{
@ -514,7 +568,7 @@ static int get_branch_target (qse_sed_t* sed, qse_sed_cmd_t* cmd)
}
while (!IS_CMDTERM(c) && !IS_SPACE(c));
if (terminate_command (sed) == -1) goto oops;
if (terminate_command (sed) <= -1) goto oops;
pair = qse_map_search (&sed->labs, QSE_STR_PTR(t), QSE_STR_LEN(t));
if (pair == QSE_NULL)
@ -597,7 +651,7 @@ static int get_file (qse_sed_t* sed, qse_xstr_t* xstr)
}
while (!IS_CMDTERM(c));
if (terminate_command (sed) == -1) goto oops;
if (terminate_command (sed) <= -1) goto oops;
if (trailing_spaces > 0)
{
@ -736,7 +790,7 @@ static int get_subst (qse_sed_t* sed, qse_sed_cmd_t* cmd)
else if (c == QSE_T('w'))
{
ADVSCP (sed);
if (get_file (sed, &cmd->u.subst.file) == -1) return -1;
if (get_file (sed, &cmd->u.subst.file) <= -1) return -1;
break;
}
else break;
@ -746,9 +800,10 @@ static int get_subst (qse_sed_t* sed, qse_sed_cmd_t* cmd)
/* call terminate_command() if the 'w' option is not specified.
* if the 'w' option is given, it is called in get_file(). */
if (cmd->u.subst.file.ptr == QSE_NULL &&
terminate_command (sed) == -1) goto oops;
terminate_command (sed) <= -1) goto oops;
QSE_ASSERT (cmd->u.subst.rex == QSE_NULL);
qse_printf (QSE_T("buildrex 222222\n"));
cmd->u.subst.rex = qse_buildrex (
sed->mmgr, 0,
QSE_STR_PTR(t[0]),
@ -877,7 +932,7 @@ static int get_transet (qse_sed_t* sed, qse_sed_cmd_t* cmd)
}
ADVSCP (sed);
if (terminate_command (sed) == -1) goto oops;
if (terminate_command (sed) <= -1) goto oops;
qse_str_yield (t, &cmd->u.transet, 0);
qse_str_close (t);
@ -901,6 +956,9 @@ restart:
qse_printf (QSE_T("command not recognized [%c]\n"), c);
sed->errnum = QSE_SED_ECMDNR;
return -1;
case QSE_CHAR_EOF:
sed->errnum = QSE_SED_ECMDMS;
return -1;
case QSE_T(':'):
/* label - this is not a command */
@ -913,7 +971,7 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
}
ADVSCP (sed);
if (get_label (sed, cmd) == -1) return -1;
if (get_label (sed, cmd) <= -1) return -1;
goto restart;
case QSE_T('{'):
@ -948,6 +1006,19 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
return 0;
case QSE_T('='):
cmd->type = c;
if (sed->option & QSE_SED_CLASSIC &&
cmd->a2.type != QSE_SED_A_NONE)
{
sed->errnum = QSE_SED_EA2PHB;
return -1;
}
ADVSCP (sed);
if (terminate_command (sed) <= -1) return -1;
qse_printf (QSE_T("command %c\n"), cmd->type);
break;
case QSE_T('q'):
case QSE_T('Q'):
cmd->type = c;
@ -958,7 +1029,7 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
}
ADVSCP (sed);
if (terminate_command (sed) == -1) return -1;
if (terminate_command (sed) <= -1) return -1;
qse_printf (QSE_T("command %c\n"), cmd->type);
break;
@ -998,7 +1069,7 @@ qse_printf (QSE_T("command %c\n"), cmd->type);
ADVSCP (sed); /* skip the new line */
/* get_text() starts from the next line */
if (get_text (sed, cmd) == -1) return -1;
if (get_text (sed, cmd) <= -1) return -1;
{
qse_char_t ttt[1000];
@ -1023,7 +1094,7 @@ qse_printf (QSE_T("%s%s"), ttt, cmd->u.text.ptr);
case QSE_T('x'):
cmd->type = c;
ADVSCP (sed);
if (terminate_command (sed) == -1) return -1;
if (terminate_command (sed) <= -1) return -1;
qse_printf (QSE_T("command %c\n"), cmd->type);
break;
@ -1031,7 +1102,7 @@ qse_printf (QSE_T("command %c\n"), cmd->type);
case QSE_T('t'):
cmd->type = c;
ADVSCP (sed);
if (get_branch_target (sed, cmd) == -1) return -1;
if (get_branch_target (sed, cmd) <= -1) return -1;
if (cmd->u.branch.label.ptr != NULL)
{
qse_printf (QSE_T("cmd->u.branch.label = [%.*s]\n"),
@ -1049,7 +1120,7 @@ qse_printf (QSE_T("cmd->u.branch.target = [%p]\n"), cmd->u.branch.target);
case QSE_T('W'):
cmd->type = c;
ADVSCP (sed);
if (get_file (sed, &cmd->u.file) == -1) return -1;
if (get_file (sed, &cmd->u.file) <= -1) return -1;
qse_printf (QSE_T("cmd->u.file= [%.*s]\n"), (int)cmd->u.file.len, cmd->u.file.ptr);
break;
@ -1058,7 +1129,7 @@ qse_printf (QSE_T("cmd->u.file= [%.*s]\n"), (int)cmd->u.file.len, cmd->u.file.pt
case QSE_T('s'):
cmd->type = c;
ADVSCP (sed);
if (get_subst (sed, cmd) == -1) return -1;
if (get_subst (sed, cmd) <= -1) return -1;
//qse_printf (QSE_T("rex= [%.*s]\n"), (int)cmd->u.subst.rex.len, cmd->u.subst.rex.ptr);
qse_printf (QSE_T("rpl= [%.*s]\n"), (int)cmd->u.subst.rpl.len, cmd->u.subst.rpl.ptr);
qse_printf (QSE_T("g=%u p=%u i=%u occ=%d\n"),
@ -1076,7 +1147,7 @@ qse_printf (QSE_T("w=[%.*s]\n"),
case QSE_T('y'):
cmd->type = c;
ADVSCP (sed);
if (get_transet (sed, cmd) == -1) return -1;
if (get_transet (sed, cmd) <= -1) return -1;
break;
}
@ -1146,7 +1217,11 @@ static int compile_source (
/* TODO: skip white spaces??? */
if (address (sed, &cmd->a2) == QSE_NULL)
{
QSE_ASSERT (cmd->a2.type == QSE_SED_A_NONE);
free_address (sed, cmd);
return -1;
}
c = CURSC (sed);
}
@ -1163,7 +1238,11 @@ static int compile_source (
}
n = command (sed);
if (n == -1) return -1;
if (n <= -1)
{
free_address (sed, cmd);
return -1;
}
if (n > 0)
{
QSE_ASSERT (n == 1);
@ -1171,6 +1250,7 @@ static int compile_source (
if (sed->cmd.cur >= sed->cmd.end)
{
/* TODO: too many commands. change errnum */
free_command (sed, cmd);
sed->errnum = QSE_SED_ENOMEM;
return -1;
}
@ -1239,7 +1319,7 @@ static int read_line (qse_sed_t* sed)
while (1)
{
n = read_char (sed, &c);
if (n == -1) return -1;
if (n <= -1) return -1;
if (n == 0)
{
if (QSE_STR_LEN(&sed->eio.in.line) == 0) return 0;
@ -1247,7 +1327,7 @@ static int read_line (qse_sed_t* sed)
break;
}
if (qse_str_ccat (&sed->eio.in.line, c) == -1)
if (qse_str_ccat (&sed->eio.in.line, c) == (qse_size_t)-1)
{
sed->errnum = QSE_SED_ENOMEM;
return -1;
@ -1280,7 +1360,7 @@ static int flush (qse_sed_t* sed)
if (n == 0)
{
/* reached the end of file */
/* reached the end of file - anything to do? */
}
pos += n;
@ -1307,7 +1387,7 @@ static int write_str (qse_sed_t* sed, const qse_char_t* str, qse_size_t len)
qse_size_t i;
for (i = 0; i < len; i++)
{
if (write_char (sed, str[i]) == -1) return -1;
if (write_char (sed, str[i]) <= -1) return -1;
}
return 0;
}
@ -1319,7 +1399,7 @@ static int write_num (qse_sed_t* sed, qse_size_t x)
if (x < 0)
{
if (write_char (sed, QSE_T('-')) == -1) return -1;
if (write_char (sed, QSE_T('-')) <= -1) return -1;
}
x = x / 10;
@ -1334,7 +1414,7 @@ static int write_num (qse_sed_t* sed, qse_size_t x)
while (y > 0)
{
if (write_char (sed, (y % 10) + QSE_T('0')) == -1) return -1;
if (write_char (sed, (y % 10) + QSE_T('0')) <= -1) return -1;
y = y / 10;
dig--;
}
@ -1342,17 +1422,110 @@ static int write_num (qse_sed_t* sed, qse_size_t x)
while (dig > 0)
{
dig--;
if (write_char (sed, QSE_T('0')) == -1) return -1;
if (write_char (sed, QSE_T('0')) <= -1) return -1;
}
if (last < 0) last = -last;
if (write_char (sed, last + QSE_T('0')) == -1) return -1;
if (write_char (sed, last + QSE_T('0')) <= -1) return -1;
return 0;
}
static int test_address (qse_sed_t* sed, qse_sed_cmd_t* cmd)
static int match_a1 (qse_sed_t* sed, qse_sed_cmd_t* cmd)
{
return 1;
switch (cmd->a1.type)
{
case QSE_SED_A_LINE:
return (sed->eio.in.num >= cmd->a1.u.line)? 1: 0;
case QSE_SED_A_REX:
{
qse_str_t match;
int errnum, n;
QSE_ASSERT (cmd->a1.u.rex != QSE_NULL);
/*
// TODO: trim off trailing newline....
if (QSE_STR_LEN(&sed->eio.in.line) > 1 &&
QSE_STR_CHAR(&sed->eio.in.line,
QSE_STR_LEN(&sed->eio.in.line))
*/
n = qse_matchrex (
sed->mmgr,
&sed->ccls,
0,
cmd->a1.u.rex,
0,
QSE_STR_PTR(&sed->eio.in.line),
QSE_STR_LEN(&sed->eio.in.line),
&match.ptr, &match.len, &errnum);
if (n <= -1)
{
sed->errnum = QSE_SED_EREXMA;
return -1;
}
qse_printf (QSE_T("matchrex=>%d [%s]\n"), n, QSE_STR_PTR(&sed->eio.in.line));
return n;
}
case QSE_SED_A_DOL:
return 0;
}
QSE_ASSERT (cmd->a1.type == QSE_SED_A_NONE);
return 1; /* match */
}
static int match_a2 (qse_sed_t* sed, qse_sed_cmd_t* cmd)
{
switch (cmd->a2.type)
{
case QSE_SED_A_LINE:
return (sed->eio.in.num <= cmd->a2.u.line)? 1: 0;
case QSE_SED_A_REX:
{
qse_str_t match;
int errnum, n;
QSE_ASSERT (cmd->a2.u.rex != QSE_NULL);
n = qse_matchrex (
sed->mmgr,
&sed->ccls,
0,
cmd->a2.u.rex,
0,
QSE_STR_PTR(&sed->eio.in.line),
QSE_STR_LEN(&sed->eio.in.line),
&match.ptr, &match.len, &errnum);
if (n <= -1)
{
sed->errnum = QSE_SED_EREXMA;
return -1;
}
return n;
}
case QSE_SED_A_DOL:
return 0;
}
QSE_ASSERT (cmd->a2.type == QSE_SED_A_NONE);
return 1; /* match */
}
/* match an address against input.
* return -1 on error, 0 on no match, 1 on match. */
static int match_address (qse_sed_t* sed, qse_sed_cmd_t* cmd)
{
int a1, a2;
a1 = match_a1 (sed, cmd);
if (a1 <= -1) return -1;
a2 = match_a2 (sed, cmd);
if (a2 <= -1) return -1;
qse_printf (QSE_T("a1 = %d, a2 = %d\n"), a1, a2);
return (a1 >= 1 && a2 >= 1)? 1: 0;
}
static int exec_cmd (qse_sed_t* sed, qse_sed_cmd_t* cmd)
@ -1365,13 +1538,19 @@ static int exec_cmd (qse_sed_t* sed, qse_sed_cmd_t* cmd)
n = write_str (sed,
QSE_STR_PTR(&sed->eio.in.line),
QSE_STR_LEN(&sed->eio.in.line));
if (n == -1) return -1;
if (n <= -1) return -1;
case QSE_SED_CMD_QQ:
return 0;
case QSE_SED_CMD_EQ:
if (write_num (sed, sed->eio.in.num) == -1) return -1;
if (write_char (sed, QSE_T('\n')) == -1) return -1;
if (write_num (sed, sed->eio.in.num) <= -1) return -1;
if (write_char (sed, QSE_T('\n')) <= -1) return -1;
break;
case QSE_SED_CMD_A:
break;
case QSE_SED_CMD_I:
break;
}
@ -1399,7 +1578,7 @@ int qse_sed_execute (qse_sed_t* sed, qse_sed_iof_t inf, qse_sed_iof_t outf)
}
n = sed->eio.in.f (sed, QSE_SED_IO_OPEN, QSE_NULL, 0);
if (n == -1)
if (n <= -1)
{
ret = -1;
sed->errnum = QSE_SED_EIOUSR;
@ -1413,7 +1592,7 @@ int qse_sed_execute (qse_sed_t* sed, qse_sed_iof_t inf, qse_sed_iof_t outf)
}
n = sed->eio.out.f (sed, QSE_SED_IO_OPEN, QSE_NULL, 0);
if (n == -1)
if (n <= -1)
{
ret = -1;
sed->errnum = QSE_SED_EIOUSR;
@ -1437,7 +1616,7 @@ int qse_sed_execute (qse_sed_t* sed, qse_sed_iof_t inf, qse_sed_iof_t outf)
c = sed->cmd.buf;
while (c < sed->cmd.cur)
{
n = test_address (sed, c);
n = match_address (sed, c);
if (n <= -1) { ret = -1; goto done; }
if (n == 0)
@ -1453,6 +1632,14 @@ int qse_sed_execute (qse_sed_t* sed, qse_sed_iof_t inf, qse_sed_iof_t outf)
/* TODO: if exec_cmd jumped change c.... */
c++;
}
if (!(sed->option & QSE_SED_QUIET))
{
n = write_str (sed,
QSE_STR_PTR(&sed->eio.in.line),
QSE_STR_LEN(&sed->eio.in.line));
if (n <= -1) { ret = -1; goto done; }
}
}
done:

20
qse/test/utl/sed01.c
View File

@ -24,7 +24,22 @@
#include <qse/utl/stdio.h>
#include <qse/utl/main.h>
#include <qse/cmn/str.h>
#include <qse/cmn/chr.h>
static qse_bool_t custom_sed_isccls (
qse_sed_t* sed, qse_cint_t c, qse_ccls_id_t id)
{
qse_ccls_t* ccls = QSE_CCLS_GETDFL();
return ccls->is (ccls->data, c, id);
}
static qse_cint_t custom_sed_toccls (
qse_sed_t* sed, qse_cint_t c, qse_ccls_id_t id)
{
qse_ccls_t* ccls = QSE_CCLS_GETDFL();
return ccls->to (ccls->data, c, id);
}
static qse_ssize_t in (
qse_sed_t* sed, qse_sed_io_cmd_t cmd, qse_char_t* buf, qse_size_t len)
{
@ -75,6 +90,7 @@ static qse_ssize_t out (
int sed_main (int argc, qse_char_t* argv[])
{
qse_sed_t* sed = QSE_NULL;
qse_sed_prm_t prm;
int ret = -1;
if (argc != 2 && argc != 3)
@ -83,7 +99,9 @@ int sed_main (int argc, qse_char_t* argv[])
return -1;
}
sed = qse_sed_open (QSE_NULL, 0);
prm.isccls = custom_sed_isccls;
prm.toccls = custom_sed_toccls;
sed = qse_sed_open (QSE_NULL, 0, &prm);
if (sed == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("cannot open a stream editor\n"));