swad-core/swad_parameter.h

147 lines
5.1 KiB
C

// swad_parameter.h: CGI parameters
#ifndef _SWAD_PAR
#define _SWAD_PAR
/*
SWAD (Shared Workspace At a Distance in Spanish),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2022 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include <stdbool.h> // For boolean type
#include <stddef.h> // For size_t
#include "swad_string.h"
/*****************************************************************************/
/************************** Public types and constants ***********************/
/*****************************************************************************/
struct StartLength
{
unsigned long Start;
size_t Length;
};
struct Param
{
struct StartLength Name; // Parameter name
struct StartLength FileName; // optional, present only when uploading files
struct StartLength ContentType; // optional, present only when uploading files
struct StartLength Value; // Parameter value or file content
struct Param *Next;
};
typedef enum
{
Par_METHOD_GET,
Par_METHOD_POST
} Par_Method_t;
typedef enum
{
Par_PARAM_SINGLE,
Par_PARAM_MULTIPLE,
} Par_ParamType_t; // Parameter is present only one time / multiple times
typedef enum
{
Par_AgdCod,
Par_AnnCod,
Par_AsgCod,
Par_AttCod,
Par_BanCod,
Par_BldCod,
Par_DptCod,
Par_ExaCod,
Par_FilCod,
Par_GamCod,
Par_GrpCod,
Par_GrpTypCod,
Par_HldCod,
Par_MchCod,
Par_NotCod,
Par_OthCtrCod,
Par_OthCtyCod,
Par_OthDegCod,
Par_OthDegTypCod,
Par_OthHieCod,
Par_OthInsCod,
Par_PstCod,
Par_PubCod,
Par_QstCod,
Par_SesCod,
Par_SvyCod,
Par_ThrCod,
} Par_Code_t;
/*****************************************************************************/
/***************************** Public prototypes *****************************/
/*****************************************************************************/
Act_Content_t Par_GetContentReceivedByCGI (void);
bool Par_GetQueryString (void);
Par_Method_t Par_GetMethod (void);
void Par_CreateListOfParams (void);
void Par_FreeParams (void);
unsigned Par_GetParameter (Par_ParamType_t ParamType,const char *ParamName,
char *ParamValue,size_t MaxBytes,
struct Param **ParamPtr);
void Par_GetMainParams (void);
//------------------------------ Get parameters -------------------------------
unsigned Par_GetParText (const char *ParamName,char *ParamValue,size_t MaxBytes);
unsigned long Par_GetParUnsignedLong (const char *ParamName,
unsigned long Min,
unsigned long Max,
unsigned long Default);
long Par_GetParLong (const char *ParamName);
long Par_GetAndCheckParCode (Par_Code_t ParCod);
long Par_GetAndCheckParCodeMin (Par_Code_t ParCod,long MinCodAllowed);
long Par_GetParCode (Par_Code_t ParCod);
bool Par_GetParBool (const char *ParamName);
unsigned Par_GetParHTML (const char *ParamName,char *ParamValue,size_t MaxBytes);
unsigned Par_GetParMultiToText (const char *ParamName,char *ParamValue,size_t MaxBytes);
unsigned Par_GetParAndChangeFormat (const char *ParamName,char *ParamValue,size_t MaxBytes,
Str_ChangeTo_t ChangeTo,bool RemoveLeadingAndTrailingSpaces);
bool Par_GetNextStrUntilSeparParamMult (const char **StrSrc,char *StrDst,size_t LongMax);
bool Par_GetNextStrUntilComma (const char **StrSrc,char *StrDst,size_t LongMax);
void Par_ReplaceSeparatorMultipleByComma (char *Str);
//------------------------------ Put parameters -------------------------------
void Par_PutParUnsigned (const char *Id,const char *ParamName,unsigned Value);
void Par_PutParUnsignedDisabled (const char *Id,const char *ParamName,unsigned Value);
void Par_PutParCode (Par_Code_t ParCod,long Cod);
void Par_PutParLong (const char *Id,const char *ParamName,long Value);
void Par_PutParChar (const char *ParamName,char Value);
void Par_PutParString (const char *Id,const char *ParamName,const char *Value);
void Par_PutParOrder (unsigned SelectedOrder);
//----------------------------- Client IP address -----------------------------
void Par_SetIP (void);
const char *Par_GetIP (void);
#endif