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added a working json format writer

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This commit is contained in:
hyung-hwan 2018-01-11 08:32:21 +00:00
parent 12212d55cc
commit c756ae65e2
6 changed files with 129 additions and 238 deletions
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24
qse/include/qse/xli/xli.h
View File

@ -169,7 +169,6 @@ typedef struct qse_xli_list_t qse_xli_list_t;
typedef struct qse_xli_atom_t qse_xli_atom_t;
typedef struct qse_xli_pair_t qse_xli_pair_t;
typedef struct qse_xli_text_t qse_xli_text_t;
typedef struct qse_xli_vtext_t qse_xli_vtext_t;
typedef struct qse_xli_file_t qse_xli_file_t;
typedef struct qse_xli_eof_t qse_xli_eof_t;
@ -197,16 +196,23 @@ enum qse_xli_list_flag_t
};
typedef enum qse_xli_list_flag_t qse_xli_list_flag_t;
enum qse_xli_text_flag_t
{
QSE_XLI_TEXT_VERBATIM = (1 << 0),
QSE_XLI_TEXT_DEINDENT = (1 << 1)
};
typedef enum qse_xli_text_flag_t qse_xli_text_flag_t;
enum qse_xli_atom_type_t
{
QSE_XLI_PAIR,
QSE_XLI_TEXT,
QSE_XLI_VTEXT, /* verbatim text */
QSE_XLI_FILE,
QSE_XLI_EOF
};
typedef enum qse_xli_atom_type_t qse_xli_atom_type_t;
#define QSE_XLI_VAL_HDR \
qse_xli_val_type_t type
@ -272,12 +278,7 @@ struct qse_xli_pair_t
struct qse_xli_text_t
{
QSE_XLI_ATOM_HDR;
const qse_char_t* ptr;
};
struct qse_xli_vtext_t
{
QSE_XLI_ATOM_HDR;
int flags;
const qse_char_t* ptr;
};
@ -688,13 +689,6 @@ QSE_EXPORT qse_xli_text_t* qse_xli_inserttext (
const qse_char_t* str
);
QSE_EXPORT qse_xli_vtext_t* qse_xli_insertvtext (
qse_xli_t* xli,
qse_xli_list_t* parent,
qse_xli_atom_t* peer,
const qse_char_t* str
);
QSE_EXPORT qse_xli_file_t* qse_xli_insertfile (
qse_xli_t* xli,
qse_xli_list_t* parent,

63
qse/lib/xli/read-json.c
View File

@ -28,16 +28,27 @@
#include <qse/cmn/chr.h>
/*
"key1" {
{
"key1": {
# comment
[keytag]key11 "alias" = [strtag]"test machine;
key1122 {
key112233 = "hello";
}
}
"key11": = "test machine,
"key1122": [
1,
2,
{
"a": 10,
"b": 20,
}
]
}
}
*/
enum
{
TOK_STATUS_DEINDENT_TEXT = (1 << 0)
};
static int get_token (qse_xli_t* xli);
static int read_list (qse_xli_t* xli, qse_xli_list_t* lv);
static int read_array (qse_xli_t* xli, qse_xli_list_t* lv);
@ -123,8 +134,14 @@ static int skip_comment (qse_xli_t* xli, qse_xli_tok_t* tok)
}
while (1);
if ((xli->opt.trait & QSE_XLI_KEEPTEXT) &&
qse_xli_inserttext(xli, xli->parlink->list, QSE_NULL, QSE_STR_PTR(tok->name)) == QSE_NULL) return -1;
if (xli->opt.trait & QSE_XLI_KEEPTEXT)
{
qse_xli_text_t* ta;
ta = qse_xli_inserttext(xli, xli->parlink->list, QSE_NULL, QSE_STR_PTR(tok->name));
if (!ta) return -1;
if (xli->tok_status & TOK_STATUS_DEINDENT_TEXT) ta->flags |= QSE_XLI_TEXT_DEINDENT;
}
GET_CHAR (xli); /* eat the new line letter */
return 1; /* comment by # */
@ -803,11 +820,12 @@ static int read_root_list (qse_xli_t* xli)
link = qse_xli_makelistlink (xli, &xli->root->list);
if (!link) goto oops;
xli->tok_status |= TOK_STATUS_DEINDENT_TEXT;
if (qse_xli_getchar(xli) <= -1 || get_token(xli) <= -1) goto oops;
while (1)
{
if (MATCH(xli, QSE_XLI_TOK_XINCLUDE))
/*if (MATCH(xli, QSE_XLI_TOK_XINCLUDE))
{
if (get_token(xli) <= -1) goto oops;
@ -823,14 +841,24 @@ static int read_root_list (qse_xli_t* xli)
{
if (get_token(xli) <= -1) goto oops;
}
else if (MATCH(xli, QSE_XLI_TOK_LBRACK))
else*/if (MATCH(xli, QSE_XLI_TOK_LBRACK))
{
qse_xli_text_t* ta;
xli->root->list.flags |= QSE_XLI_LIST_ARRAYED;
ta = qse_xli_inserttext(xli, xli->parlink->list, QSE_NULL, QSE_STR_PTR(xli->tok.name));
if (!ta) goto oops;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT;
xli->tok_status &= ~TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
}
else if (MATCH(xli, QSE_XLI_TOK_LBRACE))
{
qse_xli_text_t* ta;
ta = qse_xli_inserttext(xli, xli->parlink->list, QSE_NULL, QSE_STR_PTR(xli->tok.name));
if (!ta) goto oops;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT;
xli->tok_status &= ~TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
}
@ -845,7 +873,7 @@ static int read_root_list (qse_xli_t* xli)
while (1)
{
if (MATCH(xli, QSE_XLI_TOK_XINCLUDE))
/*if (MATCH(xli, QSE_XLI_TOK_XINCLUDE))
{
if (get_token(xli) <= -1) goto oops;
@ -861,15 +889,25 @@ static int read_root_list (qse_xli_t* xli)
{
if (get_token(xli) <= -1) goto oops;
}
else if (MATCH(xli, QSE_XLI_TOK_RBRACK))
else*/if (MATCH(xli, QSE_XLI_TOK_RBRACK))
{
qse_xli_text_t* ta;
if (!(xli->root->list.flags & QSE_XLI_LIST_ARRAYED)) goto oops_rbrac;
ta = qse_xli_inserttext(xli, xli->parlink->list, QSE_NULL, QSE_STR_PTR(xli->tok.name));
if (!ta) goto oops;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT;
xli->tok_status |= TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
}
else if (MATCH(xli, QSE_XLI_TOK_RBRACE))
{
qse_xli_text_t* ta;
if (xli->root->list.flags & QSE_XLI_LIST_ARRAYED) goto oops_rbrac;
ta = qse_xli_inserttext(xli, xli->parlink->list, QSE_NULL, QSE_STR_PTR(xli->tok.name));
if (!ta) goto oops;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT;
xli->tok_status |= TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
}
@ -884,7 +922,6 @@ static int read_root_list (qse_xli_t* xli)
}
}
QSE_ASSERT (link == xli->parlink);
qse_xli_freelistlink (xli, link);

8
qse/lib/xli/write-ini.c
View File

@ -146,19 +146,13 @@ static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
{
const qse_char_t* str = ((qse_xli_text_t*)curatom)->ptr;
/* don't honor VERBATIM and DEINDENT flags */
if (write_to_current_stream(xli, QSE_T(";"), 1) <= -1 ||
write_to_current_stream(xli, str, qse_strlen(str)) <= -1 ||
write_to_current_stream(xli, QSE_T("\n"), 1) <= -1) return -1;
break;
}
case QSE_XLI_VTEXT:
{
/* no vtext element can be included in the ini format */
/* do nothing */
break;
}
case QSE_XLI_FILE:
/* no file inclusion is supported by the ini-format. ignore it */
break;

220
qse/lib/xli/write-json.c
View File

@ -33,8 +33,6 @@ struct arg_data_t
int org_depth;
};
#if 0
static int write_to_current_stream(qse_xli_t* xli, const qse_char_t* ptr, qse_size_t len, int escape)
{
qse_xli_io_arg_t* arg;
@ -85,111 +83,20 @@ static int write_indentation (qse_xli_t* xli, int depth)
return 0;
}
static int key_needs_quoting (qse_xli_t* xli, const qse_char_t* str, int nstr)
static int need_comma (qse_xli_atom_t* start)
{
/* this determines if a key or an alias requires quoting for output.
* NSTR is not taken into account because it's only allowed as a value */
/* refer to the tokenization rule in get_token_into() in read.c */
qse_char_t c;
c = *str++;
if (c == QSE_T('\0')) return 1; /* an empty string requires a quoting */
if (c == QSE_T('_') || QSE_ISALPHA(c) || (!nstr && (xli->opt.trait & QSE_XLI_LEADDIGIT) && QSE_ISDIGIT(c)))
qse_xli_atom_t* cur;
for (cur = start; cur; cur = cur->next)
{
int lead_digit = QSE_ISDIGIT(c);
int all_digits = 1;
/* a normal identifier can be composed of wider varieties of
* characters than a keyword/directive */
while (1)
{
c = *str++;
if (c == QSE_T('\0')) break;
if (c == QSE_T('_') || c == QSE_T('-') ||
(!(xli->opt.trait & QSE_XLI_JSON) && c == QSE_T(':')) ||
c == QSE_T('*') || c == QSE_T('/') || QSE_ISALPHA(c))
{
all_digits = 0;
}
else if (QSE_ISDIGIT(c))
{
/* nothing to do */
}
else
{
/* a disallowed character for an identifier */
return 1; /* quote it */
}
}
if (lead_digit && all_digits)
{
/* if an identifier begins with a digit, it must contain a non-digit character */
/* in fact, it is not a valid identifer. so quote it */
return 1;
}
else
{
/* this must be a normal identifer */
return 0; /* no quoting needed */
}
if (cur->type == QSE_XLI_PAIR) return 1;
if (cur->type == QSE_XLI_EOF) return 0; /* if EOF encountered in the included file, i don't want a comma at the end of the file */
}
else if (nstr && QSE_ISDIGIT(c))
{
do
{
c = *str++;
if (c == QSE_T('\0')) return 0; /* it's a numeric string */
}
while (QSE_ISDIGIT(c));
}
/* quote all the rest */
return 1;
return 0;
}
static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
{
static struct
{
qse_char_t* qptr;
qse_size_t qlen;
} quotes[] =
{
{ QSE_T(""), 0 },
{ QSE_T("\'"), 1 },
{ QSE_T("\""), 1 }
};
static qse_char_t tag_opener[] = { QSE_T('['), QSE_T('(') };
static qse_char_t tag_closer[] = { QSE_T(']'), QSE_T(')') };
static struct
{
qse_char_t* ptr;
qse_size_t len;
} assign_symbol[] =
{
{ QSE_T(" = "), 3 },
{ QSE_T(": "), 2 }
};
static struct
{
qse_char_t* ptr;
qse_size_t len;
} list_assign_symbol[] =
{
{ QSE_T(" "), 1 },
{ QSE_T(": "), 2 }
};
qse_xli_atom_t* curatom;
int tag_mode = (xli->opt.trait & QSE_XLI_JSON)? 1: 0;
for (curatom = list->head; curatom; curatom = curatom->next)
{
@ -197,104 +104,98 @@ static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
{
case QSE_XLI_PAIR:
{
int qtype;
qse_xli_pair_t* pair = (qse_xli_pair_t*)curatom;
if (write_indentation(xli, depth) <= -1) return -1;
if (pair->tag)
if (!(list->flags & QSE_XLI_LIST_ARRAYED))
{
if (write_to_current_stream(xli, &tag_opener[tag_mode], 1, 0) <= -1 ||
write_to_current_stream(xli, pair->tag, qse_strlen(pair->tag), 0) <= -1 ||
write_to_current_stream(xli, &tag_closer[tag_mode], 1, 0) <= -1) return -1;
}
if (pair->tag)
{
/* ignore tag in the json format */
}
QSE_ASSERT(pair->_key_quoted >= 0 && pair->_key_quoted < QSE_COUNTOF(quotes));
qtype = pair->_key_quoted;
if (qtype <= 0 && key_needs_quoting(xli, pair->key, 0)) qtype = 2; /* force double quoting */
if (write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1 ||
write_to_current_stream(xli, pair->key, qse_strlen(pair->key), 1) <= -1 ||
write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1) return -1;
if (write_to_current_stream(xli, quotes[qtype].qptr, quotes[qtype].qlen, 0) <= -1 ||
write_to_current_stream(xli, pair->key, qse_strlen(pair->key), (qtype >= 2)) <= -1 ||
write_to_current_stream(xli, quotes[qtype].qptr, quotes[qtype].qlen, 0) <= -1) return -1;
if (pair->alias)
{
/* ignore alias in the json format */
}
if (pair->alias)
{
QSE_ASSERT(pair->_alias_quoted >= 0 && pair->_alias_quoted < QSE_COUNTOF(quotes));
qtype = pair->_alias_quoted;
if (qtype <= 0 && key_needs_quoting(xli, pair->alias, 1)) qtype = 2;
if (write_to_current_stream(xli, QSE_T(" "), 1, 0) <= -1 ||
write_to_current_stream(xli, quotes[qtype].qptr, quotes[qtype].qlen, 0) <= -1 ||
write_to_current_stream(xli, pair->alias, qse_strlen(pair->alias), (qtype >= 2)) <= -1 ||
write_to_current_stream(xli, quotes[qtype].qptr, quotes[qtype].qlen, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T(": "), 2, 0) <= -1) return -1;
}
switch (pair->val->type)
{
case QSE_XLI_NIL:
if (write_to_current_stream(xli, QSE_T("nil;\n"), 5, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("nil"), 5, 0) <= -1) return -1;
break;
case QSE_XLI_TRUE:
if (write_to_current_stream(xli, QSE_T("true;\n"), 6, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("true"), 6, 0) <= -1) return -1;
break;
case QSE_XLI_FALSE:
if (write_to_current_stream(xli, QSE_T("false;\n"), 7, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("false"), 7, 0) <= -1) return -1;
break;
case QSE_XLI_STR:
{
qse_xli_str_t* str = (qse_xli_str_t*)pair->val;
if (write_to_current_stream(xli, assign_symbol[tag_mode].ptr, assign_symbol[tag_mode].len, 0) <= -1) return -1;
/* ignore the string tag(str->tag) in the json format.
* concatenate multi-segmented string into 1 */
if (write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1) return -1;
while (1)
{
if (str->tag)
{
if (write_to_current_stream(xli, &tag_opener[tag_mode], 1, 0) <= -1 ||
write_to_current_stream(xli, str->tag, qse_strlen(str->tag), 0) <= -1 ||
write_to_current_stream(xli, &tag_closer[tag_mode], 1, 0) <= -1) return -1;
}
if (write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1 ||
write_to_current_stream(xli, str->ptr, str->len, 1) <= -1 ||
write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1) return -1;
if (write_to_current_stream(xli, str->ptr, str->len, 1) <= -1) return -1;
if (!str->next) break;
if (write_to_current_stream(xli, QSE_T(", "), 2, 0) <= -1) return -1;
str = str->next;
}
if (write_to_current_stream(xli, QSE_T(";\n"), 2, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1) return -1;
break;
}
case QSE_XLI_LIST:
{
if (write_to_current_stream(xli, list_assign_symbol[tag_mode].ptr, list_assign_symbol[tag_mode].len, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("{\n"), 2, 0) <= -1 ||
static qse_char_t* obrac[] =
{
QSE_T("{\n"),
QSE_T("[\n")
};
static qse_char_t* cbrac[] =
{
QSE_T("}"),
QSE_T("]")
};
qse_xli_list_t* lv = (qse_xli_list_t*)pair->val;
if (write_to_current_stream(xli, obrac[lv->flags & QSE_XLI_LIST_ARRAYED], 2, 0) <= -1 ||
write_list (xli, (qse_xli_list_t*)pair->val, depth + 1) <= -1 ||
write_indentation (xli, depth) <= -1 ||
write_to_current_stream(xli, QSE_T("}\n"), 2, 0) <= -1) return -1;
write_to_current_stream(xli, cbrac[lv->flags & QSE_XLI_LIST_ARRAYED], 1, 0) <= -1) return -1;
break;
}
}
if (need_comma(curatom->next) && write_to_current_stream(xli, QSE_T(","), 1, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("\n"), 1, 0) <= -1) return -1;
break;
}
case QSE_XLI_TEXT:
{
int i;
const qse_char_t* str = ((qse_xli_text_t*)curatom)->ptr;
qse_xli_text_t* ta;
const qse_char_t* str;
for (i = 0; i < depth; i++)
{
if (write_to_current_stream(xli, QSE_T("\t"), 1, 0) <= -1) return -1;
}
ta = (qse_xli_text_t*)curatom;
str = ta->ptr;
if (write_to_current_stream(xli, QSE_T("#"), 1, 0) <= -1 ||
if (write_indentation(xli, depth - !!(ta->flags & QSE_XLI_TEXT_DEINDENT)) <= -1) return -1;
if ((!(ta->flags & QSE_XLI_TEXT_VERBATIM) && write_to_current_stream(xli, QSE_T("#"), 1, 0) <= -1) ||
write_to_current_stream(xli, str, qse_strlen(str), 0) <= -1 ||
write_to_current_stream(xli, QSE_T("\n"), 1, 0) <= -1) return -1;
break;
@ -302,17 +203,13 @@ static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
case QSE_XLI_FILE:
{
int i;
const qse_char_t* path = ((qse_xli_file_t*)curatom)->path;
for (i = 0; i < depth; i++)
{
if (write_to_current_stream(xli, QSE_T("\t"), 1, 0) <= -1) return -1;
}
if (write_indentation(xli, depth) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("@include \""), 10, 0) <= -1 ||
write_to_current_stream(xli, path, qse_strlen(path), 1) <= -1 ||
write_to_current_stream(xli, QSE_T("\";\n"), 3, 0) <= -1) return -1;
write_to_current_stream(xli, QSE_T("\""), 1, 0) <= -1) return -1;
if (qse_xli_openwstream (xli, ((qse_xli_file_t*)curatom)->path, depth) <= -1) return -1;
depth = 0;
@ -320,21 +217,21 @@ static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
}
case QSE_XLI_EOF:
if (qse_xli_closeactivewstream (xli, &depth) <= -1) return -1;
if (qse_xli_closeactivewstream(xli, &depth) <= -1) return -1;
if (need_comma(curatom->next) && write_to_current_stream(xli, QSE_T(","), 1, 0) <= -1) return -1;
if (write_to_current_stream(xli, QSE_T("\n"), 1, 0) <= -1) return -1;
break;
}
}
return 0;
}
#endif
int qse_xli_writejson (qse_xli_t* xli, qse_xli_list_t* root_list, qse_xli_io_impl_t io)
{
int n;
#if 0
if (io == QSE_NULL)
{
qse_xli_seterrnum (xli, QSE_XLI_EINVAL, QSE_NULL);
@ -352,12 +249,11 @@ int qse_xli_writejson (qse_xli_t* xli, qse_xli_list_t* root_list, qse_xli_io_imp
if (qse_xli_openwstream (xli, QSE_NULL, 0) <= -1) return -1;
/* begin writing the root list */
n = write_list (xli, (root_list? root_list: &xli->root->list), 0);
n = write_list (xli, (root_list? root_list: &xli->root->list), 1);
/* close all open streams. there should be only the
* top-level stream here if there occurred no errors */
while (xli->wio.inp) qse_xli_closeactivewstream (xli, QSE_NULL);
#endif
return n;
}

34
qse/lib/xli/write.c
View File

@ -346,40 +346,24 @@ static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
case QSE_XLI_TEXT:
{
int i;
const qse_char_t* str = ((qse_xli_text_t*)curatom)->ptr;
for (i = 0; i < depth; i++)
{
if (write_to_current_stream (xli, QSE_T("\t"), 1, 0) <= -1) return -1;
}
if (write_to_current_stream (xli, QSE_T("#"), 1, 0) <= -1 ||
write_to_current_stream (xli, str, qse_strlen(str), 0) <= -1 ||
write_to_current_stream (xli, QSE_T("\n"), 1, 0) <= -1) return -1;
break;
}
case QSE_XLI_VTEXT:
{
/* no vtext element can be included in the xli format */
/* do nothing */
/* don't honor VERBATIM and DEINDENT flags */
if (write_indentation(xli, depth) <= -1 ||
write_to_current_stream(xli, QSE_T("#"), 1, 0) <= -1 ||
write_to_current_stream(xli, str, qse_strlen(str), 0) <= -1 ||
write_to_current_stream(xli, QSE_T("\n"), 1, 0) <= -1) return -1;
break;
}
case QSE_XLI_FILE:
{
int i;
const qse_char_t* path = ((qse_xli_file_t*)curatom)->path;
for (i = 0; i < depth; i++)
{
if (write_to_current_stream (xli, QSE_T("\t"), 1, 0) <= -1) return -1;
}
if (write_to_current_stream (xli, QSE_T("@include \""), 10, 0) <= -1 ||
write_to_current_stream (xli, path, qse_strlen(path), 1) <= -1 ||
write_to_current_stream (xli, QSE_T("\";\n"), 3, 0) <= -1) return -1;
if (write_indentation(xli, depth) <= -1 ||
write_to_current_stream(xli, QSE_T("@include \""), 10, 0) <= -1 ||
write_to_current_stream(xli, path, qse_strlen(path), 1) <= -1 ||
write_to_current_stream(xli, QSE_T("\";\n"), 3, 0) <= -1) return -1;
if (qse_xli_openwstream(xli, ((qse_xli_file_t*)curatom)->path, depth) <= -1) return -1;
depth = 0;

14
qse/lib/xli/xli.c
View File

@ -542,20 +542,6 @@ qse_xli_text_t* qse_xli_inserttext (
return text;
}
qse_xli_vtext_t* qse_xli_insertvtext (
qse_xli_t* xli, qse_xli_list_t* parent, qse_xli_atom_t* peer, const qse_char_t* str)
{
qse_xli_text_t* text;
QSE_ASSERT (QSE_SIZEOF(qse_xli_text_t) == QSE_SIZEOF(qse_xli_vtext_t));
text = qse_xli_inserttext (xli, parent, peer, str);
if (!text) return QSE_NULL;
((qse_xli_vtext_t*)text)->type = QSE_XLI_VTEXT;
return (qse_xli_vtext_t*)text;
}
qse_xli_file_t* qse_xli_insertfile (
qse_xli_t* xli, qse_xli_list_t* parent, qse_xli_atom_t* peer, const qse_char_t* path)
{