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finished implementing the initial ini-format reader.

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added qse_xli_readinistd()
This commit is contained in:
hyung-hwan
2015-08-31 13:31:30 +00:00
parent 7cda6152f3
commit 9532597507
8 changed files with 174 additions and 64 deletions
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2
qse/lib/xli/err.c
View File

@ -67,7 +67,7 @@ const qse_char_t* qse_xli_dflerrstr (
QSE_T("illegal value for '${0}'"),
QSE_T("no value for '${0}'"),
QSE_T("uncomplying number of string segments for '${0}'"),
QSE_T("section tag expected in place of '${0}'"),
QSE_T("section tag expected in place of '${0}'")
};
return (errnum >= 0 && errnum < QSE_COUNTOF(errstr))?

161
qse/lib/xli/read-ini.c
View File

@ -81,11 +81,20 @@ enum
do { (tok)->type = (code); } while (0)
#define MATCH(xli,tok_type) ((xli)->tok.type == (tok_type))
#define MATCH(xli,tok_type) ((xli)->tok.type == (tok_type))
static int skip_spaces (qse_xli_t* xli)
{
qse_cint_t c = xli->rio.last.c;
while (QSE_ISSPACE(c)) GET_CHAR_TO (xli, c);
if (xli->tok_status & TOK_STATUS_SAME_LINE)
{
while (QSE_ISSPACE(c) && c != QSE_T('\n')) GET_CHAR_TO (xli, c);
}
else
{
while (QSE_ISSPACE(c)) GET_CHAR_TO (xli, c);
}
return 0;
}
@ -96,7 +105,6 @@ static int skip_comment (qse_xli_t* xli, qse_xli_tok_t* tok)
if (c == QSE_T(';'))
{
/* skip up to \n */
/* TODO: support a different line terminator */
qse_str_clear (tok->name);
do
@ -149,14 +157,21 @@ static int get_token_into (qse_xli_t* xli, qse_xli_tok_t* tok)
SET_TOKEN_TYPE (xli, tok, QSE_XLI_TOK_SQSTR);
while (1)
do
{
GET_CHAR_TO (xli, c);
if (c == QSE_CHAR_EOF || c == QSE_T(';')) break;
if (c == QSE_T('\n'))
{
GET_CHAR (xli);
break;
}
ADD_TOKEN_CHAR (xli, tok, c);
if (!QSE_ISSPACE(c)) xlen = QSE_STR_LEN(tok->name);
GET_CHAR_TO (xli, c);
}
while (1);
/* trim away trailing spaces */
qse_str_setlen (tok->name, xlen);
@ -172,7 +187,7 @@ static int get_token_into (qse_xli_t* xli, qse_xli_tok_t* tok)
{
GET_CHAR_TO (xli, c);
if (c == QSE_CHAR_EOF)
if (c == QSE_CHAR_EOF || c == QSE_T('\n'))
{
/* the string tag is not closed */
qse_xli_seterror (xli, QSE_XLI_ETAGNC, QSE_NULL, &xli->tok.loc);
@ -238,16 +253,24 @@ static int get_token_into (qse_xli_t* xli, qse_xli_tok_t* tok)
{
SET_TOKEN_TYPE (xli, tok, QSE_XLI_TOK_EQ);
ADD_TOKEN_CHAR (xli, tok, c);
GET_CHAR (xli);
}
else
{
if ((xli->tok_status & TOK_STATUS_SAME_LINE) && c == QSE_T('\n'))
{
SET_TOKEN_TYPE (xli, tok, QSE_XLI_TOK_NL);
ADD_TOKEN_STR (xli, tok, QSE_T("<NL>"), 4);
GET_CHAR (xli);
}
/* not handled yet */
if (c == QSE_T('\0'))
else if (c == QSE_T('\0'))
{
qse_cstr_t ea;
ea.ptr = QSE_T("<NUL>");
ea.len = 5;
qse_xli_seterror (xli, QSE_XLI_ELXCHR, &ea, &tok->loc);
return -1;
}
else
{
@ -256,8 +279,8 @@ static int get_token_into (qse_xli_t* xli, qse_xli_tok_t* tok)
ea.ptr = &cc;
ea.len = 1;
qse_xli_seterror (xli, QSE_XLI_ELXCHR, &ea, &tok->loc);
return -1;
}
return -1;
}
return 0;
@ -270,6 +293,9 @@ static int get_token (qse_xli_t* xli)
static int read_list (qse_xli_t* xli)
{
qse_xli_pair_t* pair;
qse_cstr_t key;
qse_xli_list_t* curlist;
while (1)
{
@ -277,42 +303,107 @@ static int read_list (qse_xli_t* xli)
if (MATCH(xli, QSE_XLI_TOK_TAG))
{
if (get_token(xli) <= -1) return -1;
/* insert a pair with an empty list */
pair = qse_xli_insertpairwithemptylist (xli, &xli->root->list, QSE_NULL, QSE_STR_PTR(xli->tok.name), QSE_NULL, QSE_NULL);
if (pair == QSE_NULL) return -1;
curlist = (qse_xli_list_t*)pair->val;
if (MATCH(xli, QSE_XLI_TOK_EOF)) break;
if (MATCH(xli, QSE_XLI_TOK_TAG)) continue;
if (!MATCH(xli, QSE_XLI_TOK_IDENT))
while (1)
{
qse_xli_seterror (xli, QSE_XLI_EKEY, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
}
if (get_token(xli) <= -1) return -1;
/* key is the token... */
xli->tok_status |= TOK_STATUS_SAME_LINE;
if (get_token (xli) <= -1) return -1;
if (MATCH(xli, QSE_XLI_TOK_EOF)) break;
if (MATCH(xli, QSE_XLI_TOK_TAG))
{
/* switch to a new tag */
pair = qse_xli_insertpairwithemptylist (xli, &xli->root->list, QSE_NULL, QSE_STR_PTR(xli->tok.name), QSE_NULL, QSE_NULL);
if (pair == QSE_NULL) return -1;
curlist = (qse_xli_list_t*)pair->val;
continue;
}
if (!MATCH(xli, QSE_XLI_TOK_EQ))
{
qse_xli_seterror (xli, QSE_XLI_EEQ, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
}
if (!MATCH(xli, QSE_XLI_TOK_IDENT))
{
qse_xli_seterror (xli, QSE_XLI_EKEY, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
}
xli->tok_status |= TOK_STATUS_UPTO_EOL;
if (get_token (xli) <= -1) return -1;
if (xli->opt.trait & QSE_XLI_KEYNODUP)
{
qse_xli_atom_t* atom;
xli->tok_status &= ~(TOK_STATUS_SAME_LINE | TOK_STATUS_UPTO_EOL);
/* find any key conflicts in the current scope */
/* TODO: optimization. no sequential search */
atom = curlist->tail;
while (atom)
{
if (atom->type == QSE_XLI_PAIR &&
qse_strcmp (((qse_xli_pair_t*)atom)->key, QSE_STR_PTR(xli->tok.name)) == 0)
{
qse_xli_seterror (xli, QSE_XLI_EEXIST, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
}
if (MATCH(xli, QSE_XLI_TOK_EOF))
{
/* empty value */
break;
}
atom = atom->prev;
}
}
if (!MATCH(xli, QSE_XLI_TOK_SQSTR))
{
qse_xli_seterror (xli, QSE_XLI_EVAL, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
key.len = QSE_STR_LEN(xli->tok.name);
key.ptr = qse_strdup (QSE_STR_PTR(xli->tok.name), xli->mmgr);
if (key.ptr == QSE_NULL)
{
qse_xli_seterrnum (xli, QSE_XLI_ENOMEM, QSE_NULL);
return -1;
}
xli->tok_status |= TOK_STATUS_SAME_LINE;
if (get_token (xli) <= -1)
{
QSE_MMGR_FREE (xli->mmgr, key.ptr);
return -1;
}
if (!MATCH(xli, QSE_XLI_TOK_EQ))
{
QSE_MMGR_FREE (xli->mmgr, key.ptr);
qse_xli_seterror (xli, QSE_XLI_EEQ, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
}
/* read the value */
xli->tok_status |= TOK_STATUS_UPTO_EOL;
if (get_token (xli) <= -1)
{
QSE_MMGR_FREE (xli->mmgr, key.ptr);
return -1;
}
xli->tok_status &= ~(TOK_STATUS_SAME_LINE | TOK_STATUS_UPTO_EOL);
if (MATCH(xli, QSE_XLI_TOK_EOF))
{
/* empty value */
qse_cstr_t empty;
empty.ptr = QSE_T("");
empty.len = 0;
pair = qse_xli_insertpairwithstr (xli, curlist, QSE_NULL, key.ptr, QSE_NULL, QSE_NULL, &empty, QSE_NULL);
QSE_MMGR_FREE (xli->mmgr, key.ptr);
if (pair == QSE_NULL) return -1;
break;
}
if (MATCH(xli, QSE_XLI_TOK_SQSTR))
{
/* add a new pair with the initial string segment */
pair = qse_xli_insertpairwithstr (xli, curlist, QSE_NULL, key.ptr, QSE_NULL, QSE_NULL, QSE_STR_XSTR(xli->tok.name), QSE_NULL);
QSE_MMGR_FREE (xli->mmgr, key.ptr);
if (pair == QSE_NULL) return -1;
}
else
{
qse_xli_seterror (xli, QSE_XLI_EVAL, QSE_STR_XSTR(xli->tok.name), &xli->tok.loc);
return -1;
}
}
}
else

4
qse/lib/xli/read.c
View File

@ -234,7 +234,7 @@ static int skip_comment (qse_xli_t* xli, qse_xli_tok_t* tok)
if (c == QSE_T('#'))
{
/* skip up to \n */
/* TODO: support a different line terminator */
qse_str_clear (tok->name);
do
@ -635,7 +635,7 @@ retry:
{
GET_CHAR_TO (xli, c);
if (c == QSE_CHAR_EOF)
if (c == QSE_CHAR_EOF || c == QSE_T('\n'))
{
/* the string tag is not closed */
qse_xli_seterror (xli, QSE_XLI_ETAGNC, QSE_NULL, &xli->tok.loc);

25
qse/lib/xli/std.c
View File

@ -597,12 +597,6 @@ static qse_ssize_t sf_out (
}
}
int qse_xli_readstd (qse_xli_t* xli, qse_xli_iostd_t* in)
{
xtn_t* xtn = (xtn_t*) QSE_XTN (xli);
@ -620,6 +614,25 @@ int qse_xli_readstd (qse_xli_t* xli, qse_xli_iostd_t* in)
return qse_xli_read (xli, sf_in);
}
int qse_xli_readinistd (qse_xli_t* xli, qse_xli_iostd_t* in)
{
xtn_t* xtn = (xtn_t*) QSE_XTN (xli);
if (in == QSE_NULL || (in->type != QSE_XLI_IOSTD_FILE &&
in->type != QSE_XLI_IOSTD_STR))
{
/* the input is a must. at least 1 file or 1 string
* must be specified */
qse_xli_seterrnum (xli, QSE_XLI_EINVAL, QSE_NULL);
return -1;
}
xtn->s.in.x = in;
return qse_xli_readini (xli, sf_in);
}
int qse_xli_writestd (qse_xli_t* xli, qse_xli_iostd_t* out)
{
int n;

3
qse/lib/xli/xli.h
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@ -46,7 +46,8 @@ enum qse_xli_tok_type_t
QSE_XLI_TOK_NSTR,
QSE_XLI_TOK_IDENT,
QSE_XLI_TOK_TEXT,
QSE_XLI_TOK_TAG
QSE_XLI_TOK_TAG,
QSE_XLI_TOK_NL
};
typedef enum qse_xli_tok_type_t qse_xli_tok_type_t;