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hpdf_info.c
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hpdf_info.c
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/*
* << Haru Free PDF Library >> -- hpdf_info.c
*
* URL: http://libharu.org
*
* Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
* Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
* It is provided "as is" without express or implied warranty.
*
*/
#include "hpdf_conf.h"
#include "hpdf_utils.h"
#include "hpdf_info.h"
static const char * const HPDF_INFO_ATTR_NAMES[] = {
"CreationDate",
"ModDate",
"Author",
"Creator",
"Producer",
"Title",
"Subject",
"Keywords",
"Trapped",
"GTS_PDFXVersion",
NULL
};
static const char*
InfoTypeToName (HPDF_InfoType type);
/*---------------------------------------------------------------------------*/
static const char*
InfoTypeToName (HPDF_InfoType type)
{
HPDF_UINT idx = (HPDF_UINT)type;
return HPDF_INFO_ATTR_NAMES[idx];
}
HPDF_STATUS
HPDF_Info_SetInfoAttr (HPDF_Dict info,
HPDF_InfoType type,
const char *value,
HPDF_Encoder encoder)
{
const char* name = InfoTypeToName (type);
HPDF_PTRACE((" HPDF_Info_SetInfoAttr\n"));
if (type <= HPDF_INFO_MOD_DATE)
return HPDF_SetError (info->error, HPDF_INVALID_PARAMETER, 0);
if (type == HPDF_INFO_TRAPPED)
return HPDF_Dict_AddName(info, name, value);
return HPDF_Dict_Add (info, name, HPDF_String_New (info->mmgr, value,
encoder));
}
const char*
HPDF_Info_GetInfoAttr (HPDF_Dict info,
HPDF_InfoType type)
{
const char* name = InfoTypeToName (type);
HPDF_String s;
HPDF_PTRACE((" HPDF_Info_GetInfoAttr\n"));
if (!info)
return NULL;
s = HPDF_Dict_GetItem (info, name, HPDF_OCLASS_STRING);
if (!s)
return NULL;
else
return (const char *)(s->value);
}
HPDF_STATUS
HPDF_Info_SetInfoDateAttr (HPDF_Dict info,
HPDF_InfoType type,
HPDF_Date value)
{
char tmp[HPDF_DATE_TIME_STR_LEN + 1];
char* ptmp;
const char* name = InfoTypeToName (type);
HPDF_PTRACE((" HPDF_Info_SetInfoDateAttr\n"));
if (type > HPDF_INFO_MOD_DATE)
return HPDF_SetError (info->error, HPDF_INVALID_PARAMETER, 0);
HPDF_MemSet (tmp, 0, HPDF_DATE_TIME_STR_LEN + 1);
if (value.month < 1 || 12 < value.month ||
value.day < 1 ||
23 < value.hour ||
59 < value.minutes ||
59 < value.seconds ||
(value.ind != '+' && value.ind != '-' && value.ind != 'Z' &&
value.ind != ' ') ||
23 < value.off_hour ||
59 < value.off_minutes) {
return HPDF_SetError (info->error, HPDF_INVALID_DATE_TIME, 0);
}
switch (value.month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
if (value.day > 31)
return HPDF_SetError (info->error, HPDF_INVALID_DATE_TIME, 0);
break;
case 4:
case 6:
case 9:
case 11:
if (value.day > 30)
return HPDF_SetError (info->error, HPDF_INVALID_DATE_TIME, 0);
break;
case 2:
if (value.day > 29 || (value.day == 29 &&
(value.year % 4 != 0 ||
(value.year % 100 == 0 && value.year % 400 != 0))))
return HPDF_SetError (info->error, HPDF_INVALID_DATE_TIME, 0);
break;
default:
return HPDF_SetError (info->error, HPDF_INVALID_DATE_TIME, 0);
}
ptmp = (char *)HPDF_MemCpy ((HPDF_BYTE *)tmp, (HPDF_BYTE *)"D:", 2);
ptmp = HPDF_IToA2 (ptmp, value.year, 5);
ptmp = HPDF_IToA2 (ptmp, value.month, 3);
ptmp = HPDF_IToA2 (ptmp, value.day, 3);
ptmp = HPDF_IToA2 (ptmp, value.hour, 3);
ptmp = HPDF_IToA2 (ptmp, value.minutes, 3);
ptmp = HPDF_IToA2 (ptmp, value.seconds, 3);
if (value.ind != ' ') {
*ptmp++ = value.ind;
ptmp = HPDF_IToA2 (ptmp, value.off_hour, 3);
*ptmp++ = '\'';
ptmp = HPDF_IToA2 (ptmp, value.off_minutes, 3);
*ptmp++ = '\'';
}
*ptmp = 0;
return HPDF_Dict_Add (info, name, HPDF_String_New (info->mmgr, tmp,
NULL));
}