enhanced the json writer to inject {} or [] manually when the outermost enclosers are not found

This commit is contained in:
hyung-hwan 2018-01-15 09:20:28 +00:00
parent fa21cef920
commit 5d71710b18
4 changed files with 44 additions and 9 deletions

View File

@ -30,7 +30,7 @@
#include <qse/types.h>
#include <qse/macros.h>
/** @file
/** \file
* This file defines functions and data structures to process
* command-line arguments.
*/

View File

@ -198,8 +198,12 @@ 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)
QSE_XLI_TEXT_VERBATIM = (1 << 0),
QSE_XLI_TEXT_DEINDENT = (1 << 1),
QSE_XLI_TEXT_LIST_OPENER = (1 << 2),
QSE_XLI_TEXT_LIST_CLOSER = (1 << 3),
QSE_XLI_TEXT_ARRAYED_LIST_OPENER = (1 << 4),
QSE_XLI_TEXT_ARRAYED_LIST_CLOSER = (1 << 5)
};
typedef enum qse_xli_text_flag_t qse_xli_text_flag_t;

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@ -832,7 +832,7 @@ static int read_root_list (qse_xli_t* xli)
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;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT | QSE_XLI_TEXT_ARRAYED_LIST_OPENER;
xli->tok_status &= ~TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
@ -842,7 +842,7 @@ static int read_root_list (qse_xli_t* xli)
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;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT | QSE_XLI_TEXT_LIST_OPENER;
xli->tok_status &= ~TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
@ -865,7 +865,7 @@ static int read_root_list (qse_xli_t* xli)
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;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT | QSE_XLI_TEXT_ARRAYED_LIST_CLOSER;
xli->tok_status |= TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;
@ -876,7 +876,7 @@ static int read_root_list (qse_xli_t* xli)
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;
ta->flags |= QSE_XLI_TEXT_VERBATIM | QSE_XLI_TEXT_DEINDENT | QSE_XLI_TEXT_LIST_CLOSER;
xli->tok_status |= TOK_STATUS_DEINDENT_TEXT;
if (get_token(xli) <= -1) goto oops;
break;

View File

@ -228,9 +228,25 @@ static int write_list (qse_xli_t* xli, qse_xli_list_t* list, int depth)
return 0;
}
static int have_opening_marker (qse_xli_t* xli, qse_xli_list_t* list)
{
qse_xli_atom_t* curatom;
for (curatom = list->head; curatom; curatom = curatom->next)
{
qse_xli_text_t* ta;
if (curatom->type != QSE_XLI_TEXT) break;
ta = (qse_xli_text_t*)curatom;
if (ta->flags & (QSE_XLI_TEXT_ARRAYED_LIST_OPENER | QSE_XLI_TEXT_LIST_OPENER)) return 1;
}
return 0;
}
int qse_xli_writejson (qse_xli_t* xli, qse_xli_list_t* root_list, qse_xli_io_impl_t io)
{
int n;
int n, marker;
if (io == QSE_NULL)
{
@ -248,8 +264,23 @@ int qse_xli_writejson (qse_xli_t* xli, qse_xli_list_t* root_list, qse_xli_io_imp
/* open the top level stream */
if (qse_xli_openwstream (xli, QSE_NULL, 0) <= -1) return -1;
if (!root_list) root_list = &xli->root->list;
marker = have_opening_marker(xli, root_list);
if (!marker)
{
/* if the data has been loaded from a different format like xli or ini,
* there are no opening and closing markers. so emit them manually */
if (write_to_current_stream(xli, ((root_list->flags & QSE_XLI_LIST_ARRAYED)? QSE_T("[\n"): QSE_T("{\n")), 2, 0) <= -1) return -1;
}
/* begin writing the root list */
n = write_list (xli, (root_list? root_list: &xli->root->list), 1);
n = write_list (xli, root_list, 1);
if (!marker)
{
if (write_to_current_stream(xli, ((root_list->flags & QSE_XLI_LIST_ARRAYED)? QSE_T("]\n"): QSE_T("}\n")), 2, 0) <= -1) return -1;
}
/* close all open streams. there should be only the
* top-level stream here if there occurred no errors */