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added a few more lines of code to sed

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hyung-hwan
2009-03-14 21:14:39 +00:00
parent 1167325005
commit 69f02f9c8d
3 changed files with 77 additions and 14 deletions
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84
qse/lib/utl/sed.c
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@ -109,7 +109,11 @@ int qse_sed_getoption (qse_sed_t* sed)
#define NXTSC(sed) \
(((++(sed)->src.cur) < (sed)->src.end)? (*(sed)->src.cur): QSE_CHAR_EOF)
#define ISSPACE(c) (c == QSE_T(' ') || c == QSE_T('\t'))
#define IS_SPACE(c) (c == QSE_T(' ') || c == QSE_T('\t'))
#define IS_WHITE_SPACE(c) (IS_SPACE(c) || c == QSE_T('\n') || c == QSE_T('\r'))
#define IS_LABEL_TERMINATOR(c) \
(c == QSE_CHAR_EOF || c == QSE_T('#') || \
c == QSE_T(';') || IS_WHITE_SPACE(c))
static void* compile_regex (qse_sed_t* sed, qse_char_t seof)
{
@ -214,6 +218,7 @@ static qse_sed_a_t* address (qse_sed_t* sed, qse_sed_a_t* a)
return a;
}
/* get the text for the 'a', 'i', and 'c' commands.
* POSIX:
* The argument text shall consist of one or more lines. Each embedded
@ -222,9 +227,6 @@ static qse_sed_a_t* address (qse_sed_t* sed, qse_sed_a_t* a)
* literally. */
static qse_str_t* get_text (qse_sed_t* sed, qse_sed_c_t* cmd)
{
qse_cint_t c;
qse_str_t* t = QSE_NULL;
#define ADD(sed,str,c,errlabel) \
do { \
if (qse_str_ccat (str, c) == (qse_size_t)-1) \
@ -234,6 +236,9 @@ do { \
} \
} while (0)
qse_cint_t c;
qse_str_t* t = QSE_NULL;
t = qse_str_open (sed->mmgr, 0, 128);
if (t == QSE_NULL) goto oops;
@ -244,7 +249,7 @@ do { \
if (sed->option & QSE_SED_STRIPLS)
{
/* get the first non-space character */
while (ISSPACE(c)) c = NXTSC (sed);
while (IS_SPACE(c)) c = NXTSC (sed);
}
while (c != QSE_CHAR_EOF)
@ -293,6 +298,57 @@ oops:
#undef ADD
}
static qse_str_t* get_label (qse_sed_t* sed, qse_sed_c_t* cmd)
{
qse_cint_t c;
qse_str_t* t = QSE_NULL;
/* skip white spaces */
c = CURSC(sed);
while (IS_SPACE(c)) c = NXTSC (sed);
if (IS_LABEL_TERMINATER(c))
{
/* label name is empty */
sed->errnum = QSE_SED_ELBLEM;
return QSE_NULL;
}
t = qse_str_open (sed->mmgr, 0, 32);
if (t == QSE_NULL) goto oops;
do
{
if (qse_str_ccat (t, c) == (qse_size_t)-1)
{
sed->errnum = QSE_SED_ENOMEM;
goto oops;
}
}
while (!IS_LABEL_TERMINATOR(c));
search_label_table (c);
return t;
oops:
if (t != QSE_NULL) qse_str_close (t);
return QSE_NULL;
}
static qse_str_t* get_target (qse_sed_t* sed, qse_sed_c_t* cmd)
{
qse_cint_t c;
qse_str_t* t = QSE_NULL;
t = qse_str_open (sed->mmgr, 0, 32);
if (t == QSE_NULL) goto oops;
return t;
oops:
if (t != QSE_NULL) qse_str_close (t);
return QSE_NULL;
}
static int command (qse_sed_t* sed)
{
qse_cint_t c;
@ -319,6 +375,7 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
break;
case QSE_T(':'):
/* label */
cmd->type = c;
if (cmd->a1.type != QSE_SED_A_NONE)
{
@ -327,7 +384,7 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
return -1;
}
/* skip white spaces */
ADVSCP (sed);
/* TODO: ... */
break;
@ -356,7 +413,7 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
*/
c = NXTSC (sed);
while (ISSPACE(c)) c = NXTSC (sed);
while (IS_SPACE(c)) c = NXTSC (sed);
if (c != QSE_T('\\'))
{
@ -365,7 +422,7 @@ qse_printf (QSE_T("command not recognized [%c]\n"), c);
}
c = NXTSC (sed);
while (ISSPACE(c)) c = NXTSC (sed);
while (IS_SPACE(c)) c = NXTSC (sed);
if (c != QSE_T('\n'))
{
@ -410,8 +467,13 @@ qse_printf (QSE_T("%s%s"), ttt, QSE_STR_PTR(cmd->u.text));
case QSE_T('b'):
break;
case QSE_T('t'):
cmd->type = c;
ADVSCP (sed); /* skip the new line */
//cmd->u.label = get_target (sed, cmd);
if (cmd->u.label == QSE_NULL) return -1;
break;
@ -467,7 +529,7 @@ static int compile_source (
c = CURSC (sed);
/* skip white spaces */
while (ISSPACE(c)) c = NXTSC (sed);
while (IS_SPACE(c)) c = NXTSC (sed);
/* check if it has reached the end or is commented */
if (c == QSE_CHAR_EOF || c == QSE_T('#')) break;
@ -507,7 +569,7 @@ static int compile_source (
}
/* skip white spaces */
while (ISSPACE(c)) c = NXTSC (sed);
while (IS_SPACE(c)) c = NXTSC (sed);
if (c == QSE_T('!'))
{