Shulou(Shulou.com)06/02 Report--

Ini.h code

# ifndef INI_H

# define INI_H

# include

# include

Using namespace std

# define CONFIGLEN 256

Enum INI_RES

{

INI_SUCCESS, / / successful

INI_ERROR, / / Common error

INI_OPENFILE_ERROR, / / failed to open the file

INI_NO_ATTR / / has no corresponding key value

}

/ / subkey index subkey value

Typedef map KEYMAP

/ / Primary key index primary key value

Typedef map MAINKEYMAP

/ / basic operation class of config file

Class CIni

{

Public:

/ / Constructor

CIni ()

/ / Analysis of sufficient function

Virtual ~ CIni ()

Public:

/ / get the key value of × ×

Int GetInt (const char* mAttr, const char* cAttr)

/ / get the string of the key value

Char* GetStr (const char* mAttr, const char* cAttr)

/ / Open the config file

INI_RES OpenFile (const char* pathName, const char* type)

/ / close the config file

INI_RES CloseFile ()

Protected:

/ / read config file

INI_RES GetKey (const char* mAttr, const char* cAttr, char* value)

Protected:

/ / File handle opened

FILE* m_fp

Char m_ szKey[CONFIGLEN]

MAINKEYMAP m_Map

}

# endif

Ini.cpp code

# include "ini.h"

/ *

* function: constructor

* parameters: none

* return value: none

* remarks:

* * /

CIni::CIni ()

{

Memset (m_szKey, 0, sizeof (m_szKey))

M_fp = NULL

}

/ *

* function: destructor

* parameters: none

* return value: none

* remarks:

* * /

CIni::~CIni ()

{

M_Map.clear ()

}

/ *

* function: open file function

* parameters: none

* return value:

* remarks:

* * /

INI_RES CIni::OpenFile (const char* pathName, const char* type)

{

String szLine, szMainKey, szLastMainKey, szSubKey

Char strLine [CONFIGLEN] = {0}

KEYMAP mLastMap

Int nIndexPos =-1

Int nLeftPos =-1

Int nRightPos =-1

M_fp = fopen (pathName, type)

If (m_fp = = NULL)

{

Printf ("open inifile% s error!\ n", pathName)

Return INI_OPENFILE_ERROR

}

M_Map.clear ()

While (fgets (strLine, CONFIGLEN, m_fp))

{

SzLine.assign (strLine)

/ / remove unnecessary characters from a string

NLeftPos = szLine.find ("\ n")

If (string::npos! = nLeftPos)

{

SzLine.erase (nLeftPos, 1)

}

NLeftPos = szLine.find ("\ r")

If (string::npos! = nLeftPos)

{

SzLine.erase (nLeftPos, 1)

}

/ / determine whether it is a primary key

NLeftPos = szLine.find ("[")

NRightPos = szLine.find ("]")

If (nLeftPos! = string::npos & & nRightPos! = string::npos)

{

SzLine.erase (nLeftPos, 1)

NRightPos--

SzLine.erase (nRightPos, 1)

M _ Map [szLastMainKey] = mLastMap

MLastMap.clear ()

SzLastMainKey = szLine

}

Else

{

/ / whether it is a subkey

If (nIndexPos = szLine.find ("="), string::npos! = nIndexPos)

{

String szSubKey, szSubValue

SzSubKey = szLine.substr (0, nIndexPos)

SzSubValue = szLine.substr (nIndexPos + 1, szLine.length ()-nIndexPos-1)

MLastMap [szSubKey] = szSubValue

}

Else

{

/ / TODO: contents such as comments that do not conform to the ini key value template

}

}

}

/ / insert the last primary key

M _ Map [szLastMainKey] = mLastMap

Return INI_SUCCESS

}

/ *

* function: turn off file function

* parameters: none

* return value:

* remarks:

* * /

INI_RES CIni::CloseFile ()

{

If (m_fp! = NULL)

{

Fclose (m_fp)

M_fp = NULL

}

Return INI_SUCCESS

}

/ *

* function: a string that gets a key value under [SECTION]

* parameters:

* char* mAttr input parameter primary key

* char* cAttr input parameter subkey

* char* value output parameter subkey value

* return value:

* remarks:

* * /

INI_RES CIni::GetKey (const char* mAttr, const char* cAttr, char* pValue)

{

KEYMAP mKey = m _ map [mAttr]

String sTemp = mKey [cAttr]

Strcpy (pValue, sTemp.c_str ())

Return INI_SUCCESS

}

/ *

* function: obtain the key value of × ×

* parameters:

* cAttr primary key

* cAttr subkey

* return value: if the value is normal, if the corresponding value is not read successfully, 0 is returned (the key value itself is 0 does not conflict)

* remarks:

* * /

Int CIni::GetInt (const char* mAttr, const char* cAttr)

{

Int nRes = 0

Memset (m_szKey, 0, sizeof (m_szKey))

If (INI_SUCCESS = = GetKey (mAttr, cAttr, m_szKey))

{

NRes = atoi (m_szKey)

}

Return nRes

}

/ *

* function: the string that gets the key value

* parameters:

* cAttr primary key

* cAttr subkey

* return value: "NULL" is returned if the read subkey string is not read successfully.

* remarks:

* * /

Char* CIni::GetStr (const char* mAttr, const char* cAttr)

{

Memset (m_szKey, 0, sizeof (m_szKey))

If (INI_SUCCESS! = GetKey (mAttr, cAttr, m_szKey))

{

Strcpy (m_szKey, "NULL")

}

Return m_szKey

}

Config.ini

[cctv.thrift]

IP=192.168.37.123

Port=7001

Username=admin

Password=admin

test

Static void ReadIniFile ()

{

CIni ini

Ini.OpenFile ("config.ini", "r")

Char * pVal1 = ini.GetStr ("cctv.thrift", "IP")

Int nKey = ini.GetInt ("cctv.thrift", "Port")

}

Be careful

The string returned by GetStr must be saved to other variables immediately. If GetInt is called again at this time, the value of the above pVal1 will be changed.

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