etk/etk/RegExp.h

1722 lines
51 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license BSD v3 (see license file)
*/
#ifndef __TK_REG_EXP_H__
#define __TK_REG_EXP_H__
#include <etk/types.h>
#include <etk/debug.h>
#include <etk/UString.h>
#include <etk/Vector.h>
#define TK_REG_EXP_DBG_MODE TK_VERBOSE
//#define TK_REG_EXP_DBG_MODE TK_DEBUG
namespace etk {
/*
normal mode :
(...) sub element is separate with |
\d Digits [0-9]
\D NOT a digit [^0-9]
\l Letters [a-zA-Z]
\L NOT a Letter [^a-zA-Z]
\s Whitespace [ \t\n\r\f\v]
\S NOT Whitespace [^ \t\n\r\f\v]
\w "Word" character [a-zA-Z0-9_]
\W NOT a "Word" character [^a-zA-Z0-9_]
\@ at the start or the end not in the parsing of element ==> check if \w is not present (other regExp will be <> ...)
[anjdi] or [a-gt-j] range
. dot [^\x00-\x08\x0A-\x1F\x7F]
==> TODO :
$ End / Start of line of line ==> ce sera un truc suplémentaire comme le \@
^in the [] invertion of the range element
multiplicity :
* ==> {0, 2147483647}
? ==> {0, 1}
+ ==> {1, 2147483647}
{x} ==> {x, x}
{x,y} ==> {x, y}
*/
typedef struct {
bool haveBackSlash;
char inputValue;
char newValue;
etk::regExpPrivateSection_te specialChar;
}convertionTable_ts;
extern const convertionTable_ts constConvertionTable[];
extern const esize_t constConvertionTableSize;
void displayElem(const etk::Vector<etk::UChar>& _data, esize_t _start=0, esize_t _stop=0x7FFFFFFF);
char * levelSpace(uint32_t _level);
esize_t getLenOfPTheseElem(const etk::Vector<etk::UChar>& _data, esize_t _startPos);
esize_t getLenOfPThese(const etk::Vector<etk::UChar>& _data, esize_t _startPos);
esize_t getLenOfBracket(const etk::Vector<etk::UChar>& _data, esize_t _startPos);
esize_t getLenOfBrace(const etk::Vector<etk::UChar>& _data, esize_t _startPos);
esize_t getLenOfNormal(const etk::Vector<etk::UChar>& _data, esize_t _startPos);
bool parseBrace(const etk::Vector<etk::UChar>& _data, uint32_t& _min, uint32_t& _max);
#undef __class__
#define __class__ "etk::RegExpNode"
/**
* @brief Node Elements for every-one
*/
template<class CLASS_TYPE> class RegExpNode
{
protected :
uint32_t m_multipleMin; //!< minimum repetition (included)
uint32_t m_multipleMax; //!< maximum repetition (included)
// Data Section ... (can have no data...)
etk::Vector<etk::UChar> m_RegExpData; //!< data to parse and compare in some case ...
public :
/**
* @brief Constructor
*/
RegExpNode(void) :
m_multipleMin(1),
m_multipleMax(1)
{ };
/**
* @brief Destructor
*/
virtual ~RegExpNode(void) { };
/**
* @brief Generate the regular expression with the current "converted string"
* @param[in] _data Property of the regexp
* @return the number of element used
*/
virtual int32_t generate(const etk::Vector<etk::UChar>& _data)
{
return 0;
};
/**
* @brief Parse the current node
* @param[in] _data Data to parse (start pointer / or class that have access with operator[] )
* @param[in] _currentPos Current parsing position.
* @param[in] _lenMax Maximum position to parse the data (can be not hte end of the data due to the fact sometime we want to parse sub section).
* @param[in] _findLen number of element parssed
* @return true : Find something
* @return false : Find nothing
*/
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)=0;
/**
* @brief Display the current node properties
* @param[in] level of the node
*/
virtual void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@???@ {" << getMultMin() << "," << getMultMax() << "} subdata="; displayElem(m_RegExpData););
};
/**
* @brief Set the multiplicity of this Node.
* @param[in] _min The minimum appear time.
* @param[in] _max The maximum appear time.
*/
void setMult(uint32_t _min, uint32_t _max)
{
m_multipleMin = etk_max(_min, 0);
m_multipleMax = etk_max(_max, 1);
}
protected:
/**
* @brief Get the minimum multiplicity.
* @return The minimum appear availlable.
*/
uint32_t getMultMin(void) const { return m_multipleMin; };
/**
* @brief Get the maximum multiplicity.
* @return The maximum appear availlable.
*/
uint32_t getMultMax(void) const { return m_multipleMax; };
};
#undef __class__
#define __class__ "etk::RegExpNodeValue"
template<class CLASS_TYPE> class RegExpNodeValue : public RegExpNode<CLASS_TYPE>
{
protected :
// SubNodes :
etk::Vector<etk::UChar> m_data;
public :
/**
* @brief Constructor
*/
RegExpNodeValue(void) { };
/**
* @brief Destructor
*/
~RegExpNodeValue(void) { };
int32_t generate(const etk::Vector<etk::UChar>& _data)
{
RegExpNode<CLASS_TYPE>::m_RegExpData = _data;
TK_REG_EXP_DBG_MODE("Request Parse \"Value\" data="; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
m_data.clear();
for (int32_t i=0; i<RegExpNode<CLASS_TYPE>::m_RegExpData.size(); i++) {
m_data.pushBack(RegExpNode<CLASS_TYPE>::m_RegExpData[i]);
}
return _data.size();
};
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : Value{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
if (0==m_data.size()) {
TK_ERROR("No data inside type elemTypeValue");
return false;
}
TK_REG_EXP_DBG_MODE("check element value : '" << m_data[0] << "'");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind == true; jjj++) {
uint32_t ofset = 0;
esize_t kkk;
for (kkk=0; _findLen+kkk<_lenMax && kkk < m_data.size(); kkk++) {
if (m_data[kkk] != _data[_currentPos+_findLen+kkk]) {
tmpFind=false;
break;
}
ofset++;
}
if (kkk != m_data.size()) {
// parsing not ended ...
tmpFind=false;
}
// Update local ofset of data
if (true == tmpFind) {
_findLen += ofset;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 )
{
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@Value@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData);
etk::cout << " data: "; displayElem(m_data); );
};
};
#undef __class__
#define __class__ "etk::RegExpNodeBracket"
template<class CLASS_TYPE> class RegExpNodeBracket : public RegExpNode<CLASS_TYPE>
{
protected :
// SubNodes :
etk::Vector<etk::UChar> m_data;
public :
/**
* @brief Constructor
*/
RegExpNodeBracket(void) { };
/**
* @brief Destructor
*/
~RegExpNodeBracket(void) { };
int32_t generate(const etk::Vector<etk::UChar>& _data)
{
RegExpNode<CLASS_TYPE>::m_RegExpData = _data;
TK_REG_EXP_DBG_MODE("Request Parse [...] data="; displayElem(_data););
m_data.clear();
etk::UChar lastElement = 'a';
bool multipleElement = false;
//
for (int32_t kkk=0; kkk<RegExpNode<CLASS_TYPE>::m_RegExpData.size(); kkk++) {
if (RegExpNode<CLASS_TYPE>::m_RegExpData[kkk] == REGEXP_OPCODE_TO && multipleElement == true) {
TK_ERROR("Can not have 2 consecutive - in [...]");
return 0;
} else if (multipleElement == true) {
etk::UChar jjj='\0';
for (jjj=lastElement+1; jjj <= RegExpNode<CLASS_TYPE>::m_RegExpData[kkk]; jjj+=1) {
m_data.pushBack(jjj);
}
multipleElement = false;
} else if(RegExpNode<CLASS_TYPE>::m_RegExpData[kkk] == REGEXP_OPCODE_TO) {
multipleElement = true;
} else {
lastElement = RegExpNode<CLASS_TYPE>::m_RegExpData[kkk];
m_data.pushBack(lastElement);
}
}
// check size ...
if (m_data.size() == 0) {
TK_ERROR("No data inside [...] ");
return 0;
}
return _data.size();
};
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : [...]{" << RegExpNode<CLASS_TYPE>::m_multipleMin
<< "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
if (0==m_data.size()) {
TK_ERROR("No data inside type elemTypeValue");
return false;
}
TK_REG_EXP_DBG_MODE("one of element value List : "; displayElem(m_data););
bool tmpFind = true;
uint32_t jjj=0;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
tmpFind=false;
for (esize_t iii=0; iii<m_data.size(); iii++) {
if (m_data[iii] == _data[_currentPos+jjj]) {
_findLen += 1;
tmpFind=true;
break;
}
}
}
if ( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0)
{
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@[...]@ {" << RegExpNode<CLASS_TYPE>::m_multipleMin
<< "," << RegExpNode<CLASS_TYPE>::m_multipleMax
<< "} subdata="; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData);
etk::cout << " data: "; displayElem(m_data); );
};
};
#undef __class__
#define __class__ "etk::RegExpNodeDigit"
template<class CLASS_TYPE> class RegExpNodeDigit : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeDigit(void) { };
/**
* @brief Destructor
*/
~RegExpNodeDigit(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : Digit{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "} : "<< _data[_currentPos] << " lenMax=" << _lenMax);
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
TK_REG_EXP_DBG_MODE("compare : " << tmpVal);
if( tmpVal >= '0'
&& tmpVal <= '9')
{
TK_REG_EXP_DBG_MODE("find ++");
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 )
{
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@Digit@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax <<
"} subdata="; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeDigitNot"
template<class CLASS_TYPE> class RegExpNodeDigitNot : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeDigitNot(void) { };
/**
* @brief Destructor
*/
~RegExpNodeDigitNot(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : DigitNot{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( tmpVal < '0'
|| tmpVal > '9') {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@DigitNot@ {" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata="; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeLetter"
template<class CLASS_TYPE> class RegExpNodeLetter : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeLetter(void) { };
/**
* @brief Destructor
*/
~RegExpNodeLetter(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : Letter{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( ( tmpVal >= 'a'
&& tmpVal <= 'z')
|| ( tmpVal >= 'A'
&& tmpVal <= 'Z') ) {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@Letter@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeLetterNot"
template<class CLASS_TYPE> class RegExpNodeLetterNot : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeLetterNot(void) { };
/**
* @brief Destructor
*/
~RegExpNodeLetterNot(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : LetterNot{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( ( tmpVal < 'a'
&& tmpVal > 'Z')
|| tmpVal < 'A'
|| tmpVal > 'z') {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@LetterNot@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeWhiteSpace"
template<class CLASS_TYPE> class RegExpNodeWhiteSpace : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeWhiteSpace(void) { };
/**
* @brief Destructor
*/
~RegExpNodeWhiteSpace(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : Space{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( tmpVal == ' '
|| tmpVal == '\t'
|| tmpVal == '\n'
|| tmpVal == '\r'
|| tmpVal == '\f'
|| tmpVal == '\v' ) {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@Space@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeWhiteSpaceNot"
template<class CLASS_TYPE> class RegExpNodeWhiteSpaceNot : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeWhiteSpaceNot(void) { };
/**
* @brief Destructor
*/
~RegExpNodeWhiteSpaceNot(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : SpaceNot{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( tmpVal != ' '
&& tmpVal != '\t'
&& tmpVal != '\n'
&& tmpVal != '\r'
&& tmpVal != '\f'
&& tmpVal != '\v' ) {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@SpaceNot@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeWordChar"
template<class CLASS_TYPE> class RegExpNodeWordChar : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeWordChar(void) { };
/**
* @brief Destructor
*/
~RegExpNodeWordChar(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : Word{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( ( tmpVal >= 'a'
&& tmpVal <= 'z' )
|| ( tmpVal >= 'A'
&& tmpVal <= 'Z' )
|| ( tmpVal >= '0'
&& tmpVal <= '9' ) ) {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@Word@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeWordCharNot"
template<class CLASS_TYPE> class RegExpNodeWordCharNot : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeWordCharNot(void) { };
/**
* @brief Destructor
*/
~RegExpNodeWordCharNot(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : WordNot{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( ( tmpVal < 'A'
&& tmpVal > '9' )
|| ( tmpVal < 'a'
&& tmpVal > 'Z' )
|| tmpVal < '0'
|| tmpVal > 'z') {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@WordNot@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeDot"
template<class CLASS_TYPE> class RegExpNodeDot : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeDot(void) { };
/**
* @brief Destructor
*/
~RegExpNodeDot(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : '.'{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
// equivalent a : [^\x00-\x08\x0A-\x1F\x7F]
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind ==true && jjj < _lenMax; jjj++) {
etk::UChar tmpVal = _data[_currentPos+jjj];
if( ( tmpVal > 0x08
&& tmpVal < 0x0A )
|| ( tmpVal > 0x1F
&& tmpVal < 0x7F )
|| ( tmpVal > 0x7F
&& tmpVal < 0xFF ) ) {
_findLen += 1;
} else {
tmpFind=false;
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 ) {
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@.@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeSOL"
template<class CLASS_TYPE> class RegExpNodeSOL : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeSOL(void) { };
/**
* @brief Destructor
*/
~RegExpNodeSOL(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
// TODO : ...
TK_INFO("Parse node : SOL{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@SOL@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
#undef __class__
#define __class__ "etk::RegExpNodeEOL"
template<class CLASS_TYPE> class RegExpNodeEOL : public RegExpNode<CLASS_TYPE>
{
public :
/**
* @brief Constructor
*/
RegExpNodeEOL(void) { };
/**
* @brief Destructor
*/
~RegExpNodeEOL(void) { };
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
// TODO : ...
TK_INFO("Parse node : EOL{" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
return false;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@EOL@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
};
};
typedef struct {
int32_t start;
int32_t stop;
}elementPos_ts;
#undef __class__
#define __class__ "etk::RegExpNodePTheseElem"
template<class CLASS_TYPE> class RegExpNodePThese;
template<class CLASS_TYPE> class RegExpNodePTheseElem : public RegExpNode<CLASS_TYPE>
{
protected :
// SubNodes :
etk::Vector<RegExpNode<CLASS_TYPE>*> m_subNode;
public :
/**
* @brief Constructor
*/
RegExpNodePTheseElem(void) { };
/**
* @brief Destructor
*/
~RegExpNodePTheseElem(void) { };
int32_t generate(const etk::Vector<etk::UChar>& _data)
{
RegExpNode<CLASS_TYPE>::m_RegExpData = _data;
TK_REG_EXP_DBG_MODE("Request Parse (elem) data="; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
esize_t pos = 0;
esize_t elementSize = 0;
etk::Vector<etk::UChar> tmpData;
while (pos < RegExpNode<CLASS_TYPE>::m_RegExpData.size()) {
tmpData.clear();
switch (RegExpNode<CLASS_TYPE>::m_RegExpData[pos].get()) {
case REGEXP_OPCODE_PTHESE_IN:
{
elementSize=getLenOfPThese(RegExpNode<CLASS_TYPE>::m_RegExpData, pos);
for (esize_t kkk=pos+1; kkk<pos+elementSize+1; kkk++) {
tmpData.pushBack(RegExpNode<CLASS_TYPE>::m_RegExpData[kkk]);
}
RegExpNodePThese<CLASS_TYPE> * myElem = new RegExpNodePThese<CLASS_TYPE>();
(void)myElem->generate(tmpData);
// add to the subnode list :
m_subNode.pushBack(myElem);
// move current position ...
pos += elementSize+1;
}
break;
case REGEXP_OPCODE_PTHESE_OUT:
TK_ERROR("Impossible case : ')' " << pos);
return false;
case REGEXP_OPCODE_BRACKET_IN:
{
elementSize=getLenOfBracket(RegExpNode<CLASS_TYPE>::m_RegExpData, pos);
for (esize_t kkk=pos+1; kkk<pos+elementSize+1; kkk++) {
tmpData.pushBack(RegExpNode<CLASS_TYPE>::m_RegExpData[kkk]);
}
RegExpNodeBracket<CLASS_TYPE> * myElem = new RegExpNodeBracket<CLASS_TYPE>();
(void)myElem->generate(tmpData);
// add to the subnode list :
m_subNode.pushBack(myElem);
// move current position ...
pos += elementSize+1;
}
break;
case REGEXP_OPCODE_BRACKET_OUT:
TK_ERROR("Impossible case : ']' " << pos);
return false;
case REGEXP_OPCODE_BRACE_IN:
{
elementSize=getLenOfBrace(RegExpNode<CLASS_TYPE>::m_RegExpData, pos);
for (esize_t kkk=pos+1; kkk<pos+elementSize+1; kkk++) {
tmpData.pushBack(RegExpNode<CLASS_TYPE>::m_RegExpData[kkk]);
}
uint32_t min = 0;
uint32_t max = 0;
if (false == parseBrace(tmpData, min, max)) {
return false;
}
setMultiplicityOnLastNode(min, max);
pos += elementSize+1;
}
break;
case REGEXP_OPCODE_BRACE_OUT:
TK_ERROR("Impossible case : '}' " << pos);
return false;
case REGEXP_OPCODE_TO:
TK_ERROR("Impossible case : '-' " << pos);
return false;
case REGEXP_OPCODE_STAR:
setMultiplicityOnLastNode(0, 0x7FFFFFFF);
break;
case REGEXP_OPCODE_QUESTION:
setMultiplicityOnLastNode(0, 1);
break;
case REGEXP_OPCODE_PLUS:
setMultiplicityOnLastNode(1, 0x7FFFFFFF);
break;
case REGEXP_OPCODE_PIPE:
TK_ERROR("Impossible case : '|' " << pos);
return false;
case REGEXP_OPCODE_DOT:
m_subNode.pushBack(new RegExpNodeDot<CLASS_TYPE>());
break;
case REGEXP_OPCODE_START_OF_LINE:
m_subNode.pushBack(new RegExpNodeSOL<CLASS_TYPE>());
break;
case REGEXP_OPCODE_END_OF_LINE:
m_subNode.pushBack(new RegExpNodeEOL<CLASS_TYPE>());
break;
case REGEXP_OPCODE_DIGIT:
m_subNode.pushBack(new RegExpNodeDigit<CLASS_TYPE>());
break;
case REGEXP_OPCODE_DIGIT_NOT:
m_subNode.pushBack(new RegExpNodeDigitNot<CLASS_TYPE>());
break;
case REGEXP_OPCODE_LETTER:
m_subNode.pushBack(new RegExpNodeLetter<CLASS_TYPE>());
break;
case REGEXP_OPCODE_LETTER_NOT:
m_subNode.pushBack(new RegExpNodeLetterNot<CLASS_TYPE>());
break;
case REGEXP_OPCODE_SPACE:
m_subNode.pushBack(new RegExpNodeWhiteSpace<CLASS_TYPE>());
break;
case REGEXP_OPCODE_SPACE_NOT:
m_subNode.pushBack(new RegExpNodeWhiteSpaceNot<CLASS_TYPE>());
break;
case REGEXP_OPCODE_WORD:
m_subNode.pushBack(new RegExpNodeWordChar<CLASS_TYPE>());
break;
case REGEXP_OPCODE_WORD_NOT:
m_subNode.pushBack(new RegExpNodeWordCharNot<CLASS_TYPE>());
break;
default:
{
elementSize = getLenOfNormal(RegExpNode<CLASS_TYPE>::m_RegExpData, pos);
for (esize_t kkk=pos; kkk<pos+elementSize; kkk++) {
tmpData.pushBack(RegExpNode<CLASS_TYPE>::m_RegExpData[kkk]);
}
RegExpNodeValue<CLASS_TYPE> * myElem = new RegExpNodeValue<CLASS_TYPE>();
(void)myElem->generate(tmpData);
// add to the subnode list :
m_subNode.pushBack(myElem);
// move current position ...
pos += elementSize-1;
}
break;
}
pos++;
}
return _data.size();
};
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : (Elem){" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
// NOTE 1 : Must done only one time in EVERY case ...
// NOTE 2 : All element inside must be OK
if (0 == m_subNode.size()) {
return false;
}
esize_t tmpCurrentPos = _currentPos;
for (esize_t iii=0; iii<m_subNode.size(); iii++) {
esize_t tmpFindLen;
if (false == m_subNode[iii]->parse(_data, tmpCurrentPos, _lenMax, tmpFindLen)) {
_findLen = 0;
return false;
} else {
tmpCurrentPos += tmpFindLen;
}
}
if (tmpCurrentPos<_currentPos) {
_findLen = 0;
} else {
_findLen = tmpCurrentPos - _currentPos;
}
return true;
};
void display(uint32_t _level)
{
TK_INFO("Find NODE : " << levelSpace(_level) << "@(Elem)@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
for(esize_t iii=0; iii<m_subNode.size(); iii++) {
m_subNode[iii]->display(_level+1);
}
};
private :
/**
* @brief Set the number of repeate time on a the last node in the list ...
* @param[in] _min Minimum of the multiplicity
* @param[in] _max Maximum of the multiplicity
* @return true if we find the node, false otherwise
*/
bool setMultiplicityOnLastNode(uint32_t _min, uint32_t _max)
{
if (0==m_subNode.size()) {
TK_ERROR("Set multiplicity on an inexistant element ....");
return false;
}
RegExpNode<CLASS_TYPE> * myNode = m_subNode[m_subNode.size()-1];
if (NULL==myNode) {
TK_ERROR("INTERNAL error ==> node not generated");
return false;
}
myNode->setMult(_min, _max);
return true;
}
};
#undef __class__
#define __class__ "etk::RegExpNodePThese"
template<class CLASS_TYPE> class RegExpNodePThese : public RegExpNode<CLASS_TYPE>
{
protected :
etk::Vector<RegExpNode<CLASS_TYPE>*> m_subNode; //!< Subnode list
public :
/**
* @brief Constructor
*/
RegExpNodePThese(void)
{
};
/**
* @brief Destructor
*/
~RegExpNodePThese(void)
{
};
int32_t generate(const etk::Vector<etk::UChar>& _data)
{
RegExpNode<CLASS_TYPE>::m_RegExpData = _data;
TK_REG_EXP_DBG_MODE("Request Parse (...) data="; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
//Find all the '|' in the string (and at the good level ...)
int32_t pos = 0;
int32_t elementSize = getLenOfPTheseElem(RegExpNode<CLASS_TYPE>::m_RegExpData, pos);
// generate all the "elemTypePTheseElem" of the Node
while (elementSize>0) {
// geerate output deta ...
etk::Vector<etk::UChar> tmpData;
for (esize_t kkk=pos; kkk<pos+elementSize; kkk++) {
tmpData.pushBack(RegExpNode<CLASS_TYPE>::m_RegExpData[kkk]);
}
RegExpNodePTheseElem<CLASS_TYPE> * myElem = new RegExpNodePTheseElem<CLASS_TYPE>();
(void)myElem->generate(tmpData);
// add to the subnode list :
m_subNode.pushBack(myElem);
pos += elementSize+1;
TK_REG_EXP_DBG_MODE("plop="; displayElem(_data, pos, pos+1););
elementSize = getLenOfPTheseElem(RegExpNode<CLASS_TYPE>::m_RegExpData, pos);
TK_REG_EXP_DBG_MODE("find " << elementSize << " elements");
}
if (0 == pos && 0 == elementSize) {
TK_ERROR("No data in the (...) element at " << pos);
return false;
}
return _data.size();
};
virtual bool parse(const CLASS_TYPE& _data, esize_t _currentPos, esize_t _lenMax, esize_t& _findLen)
{
_findLen = 0;
TK_REG_EXP_DBG_MODE("Parse node : (...){" << RegExpNode<CLASS_TYPE>::m_multipleMin << "," << RegExpNode<CLASS_TYPE>::m_multipleMax << "}");
if (0 == m_subNode.size()) {
return false;
}
bool tmpFind = true;
uint32_t jjj;
for (jjj=0; jjj<RegExpNode<CLASS_TYPE>::m_multipleMax && tmpFind == true ; jjj++) {
tmpFind = false;
for (esize_t iii=0; iii<m_subNode.size(); iii++) {
esize_t tmpFindLen;
if (true == m_subNode[iii]->parse(_data, _currentPos+_findLen, _lenMax, tmpFindLen)) {
_findLen += tmpFindLen;
tmpFind = true;
}
}
}
if( jjj>=RegExpNode<CLASS_TYPE>::m_multipleMin
&& jjj<=RegExpNode<CLASS_TYPE>::m_multipleMax
&& _findLen>0 )
{
TK_REG_EXP_DBG_MODE("find " << _findLen);
return true;
} else if( 0 == RegExpNode<CLASS_TYPE>::m_multipleMin ) {
TK_REG_EXP_DBG_MODE("find size=0");
return true;
}
return false;
};
void display(uint32_t _level)
{
if (-1 == _level) {
TK_INFO("regExp :"; displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
} else {
TK_INFO("Find NODE : " << levelSpace(_level) << "@(...)@ {"
<< RegExpNode<CLASS_TYPE>::m_multipleMin << ","
<< RegExpNode<CLASS_TYPE>::m_multipleMax << "} subdata=";
displayElem(RegExpNode<CLASS_TYPE>::m_RegExpData););
for(int32_t i=0; i<m_subNode.size(); i++) {
m_subNode[i]->display(_level+1);
}
}
};
};
#undef __class__
#define __class__ "etk::RegExp"
// Regular expression manager
template<class CLASS_TYPE> class RegExp
{
private:
etk::UString m_expressionRequested; //!< Regular expression parsed ...
elementPos_ts m_areaFind; //!< position around selection
RegExpNodePThese<CLASS_TYPE> m_exprRootNode; //!< The tree where data is set
bool m_isOk; //!< Known if we can process with this regExp
bool m_notBeginWithChar; //!< The regular expression must not have previously a char [a-zA-Z0-9_]
bool m_notEndWithChar; //!< The regular expression must not have after the end a char [a-zA-Z0-9_]
public:
// create the regular expression
/**
* @brief Constructor
* @param[in,out] _exp Regular expression to parse
*/
RegExp(const etk::UString &_exp="") :
m_expressionRequested(""),
m_isOk(false),
m_notBeginWithChar(false),
m_notEndWithChar(false)
{
m_areaFind.start=0;
m_areaFind.stop=0;
if (_exp.size() != 0) {
setRegExp(_exp);
}
};
/**
* @brief Destructor
*/
~RegExp(void)
{
m_isOk = false;
};
/**
* @brief Set a new regular expression matching
* @param[in] _regexp the new expression to search
*/
void setRegExp(const etk::UString &_regexp)
{
m_expressionRequested = _regexp;
etk::Vector<etk::UChar> tmpExp;
TK_REG_EXP_DBG_MODE("---------------------------------------------------------------------");
TK_REG_EXP_DBG_MODE("Parse RegExp : (" << _regexp << ")" );
m_isOk = false;
m_areaFind.start=0;
m_areaFind.stop=0;
m_notBeginWithChar = false;
m_notEndWithChar = false;
// change in the regular Opcode ==> replace \x with the corect element ... x if needed
int32_t countBraceIn = 0;
int32_t countBraceOut = 0;
int32_t countPTheseIn = 0;
int32_t countPTheseOut = 0;
int32_t countBracketIn = 0;
int32_t countBracketOut = 0;
for (esize_t iii=0; iii<_regexp.size(); iii++) {
if (_regexp[iii] == '\\') {
if(iii+1>=_regexp.size()) {
TK_ERROR("Dangerous parse of the element pos " << iii << " \\ with nothing after");
// TODO : Generate Exeption ...
return;
}
esize_t jjj;
// Find the element in the list...
for (jjj=0; jjj<constConvertionTableSize; jjj++) {
if( true == constConvertionTable[jjj].haveBackSlash
&& _regexp[iii+1] == constConvertionTable[jjj].inputValue)
{
if (constConvertionTable[jjj].newValue==0) {
tmpExp.pushBack(constConvertionTable[jjj].specialChar);
} else {
tmpExp.pushBack(constConvertionTable[jjj].newValue);
}
break;
}
}
// check error :
if (jjj==constConvertionTableSize) {
TK_ERROR("Dangerous parse of the \\ " << _regexp[iii+1] << " at element " << iii);
// TODO : Generate Exeption ...
return;
}
// less one char in the regular expression ...
iii++;
} else {
if (_regexp[iii] == '(') {
countPTheseIn++;
} else if (_regexp[iii] == ')') {
countPTheseOut++;
} else if (_regexp[iii] == '[') {
countBracketIn++;
} else if (_regexp[iii] == ']') {
countBracketOut++;
} else if (_regexp[iii] == '{') {
countBraceIn++;
} else if (_regexp[iii] == '}') {
countBraceOut++;
}
esize_t jjj;
// find the element in the list...
for (jjj=0; jjj<constConvertionTableSize; jjj++) {
if( false == constConvertionTable[jjj].haveBackSlash
&& _regexp[iii] == constConvertionTable[jjj].inputValue)
{
if (constConvertionTable[jjj].newValue==0) {
tmpExp.pushBack(constConvertionTable[jjj].specialChar);
} else {
tmpExp.pushBack(constConvertionTable[jjj].newValue);
}
break;
}
}
// not find : normal element
if (jjj==constConvertionTableSize) {
//TK_REG_EXP_DBG_MODE("parse : '" << _regexp[iii] << "'" );
tmpExp.pushBack(_regexp[iii]);
}
}
}
// count the number of '(' and ')'
if (countPTheseIn != countPTheseOut ) {
TK_ERROR("Error in the number of '('=" << countPTheseIn << " and ')'=" << countPTheseOut << " elements");
return;
}
// count the number of '{' and '}'
if (countBraceIn != countBraceOut ) {
TK_ERROR("Error in the number of '{'=" << countBraceIn << " and '}'=" << countBraceOut << " elements");
return;
}
// count the number of '[' and ']'
if (countBracketIn != countBracketOut ) {
TK_ERROR("Error in the number of '['=" << countBracketIn << " and ']'=" << countBracketOut << " elements");
return;
}
// need to check if all () [] and {} is well set ...
if (false == checkGoodPosition(tmpExp) ) {
return;
}
TK_REG_EXP_DBG_MODE("Main element :"; displayElem(tmpExp); );
if ( tmpExp.size()>0
&& tmpExp[0] == REGEXP_OPCODE_NO_CHAR)
{
//TK_DEBUG("=> must not begin with char");
m_notBeginWithChar = true;
// remove element
tmpExp.erase(0);
}
if ( tmpExp.size()>0
&& tmpExp[tmpExp.size()-1] == REGEXP_OPCODE_NO_CHAR)
{
//TK_DEBUG("=> must not end with char");
m_notEndWithChar = true;
// remove element
tmpExp.erase(tmpExp.size()-1);
}
if (tmpExp.size() != m_exprRootNode.generate(tmpExp) ) {
return;
}
// TODO : optimize node here ...
//Display();
// all OK ... play again
m_isOk = true;
};
/**
* @brief Get the regular expression string
* @return the string representing the RegExp
*/
const etk::UString& getRegExp(void) const
{
return m_expressionRequested;
};
/**
* @brief Get the status if the regular expression parsing
* @return true : the regExp is correctly parsed
* @return false : an error occcured (check log ...)
*/
bool getStatus(void)
{
return m_isOk;
};
// process the regular expression
/**
* @brief process the seach of the regular expression in a defined class type
* @param[in] _SearchIn table of element to seach in
* @param[in] _startPos start position to search
* @param[in] _endPos end position to search
* @param[in] _escapeChar special char that remove other char real type
* @return true : find something, false otherwise
*/
bool process(const CLASS_TYPE& _SearchIn,
esize_t _startPos,
esize_t _endPos,
etk::UChar _escapeChar=0)
{
if (false == m_isOk) {
return false;
}
esize_t buflen = _SearchIn.size();
if (_endPos > buflen) {
_endPos = buflen;
}
if (_startPos > _endPos) {
return false;
}
for (esize_t iii=_startPos; iii<_endPos; iii++) {
esize_t findLen=0;
esize_t maxlen = _endPos-iii;
if (true == m_notBeginWithChar) {
if (iii>0) {
etk::UChar tmpVal = _SearchIn[iii-1];
if( ( tmpVal >= 'a'
&& tmpVal <= 'z' )
|| ( tmpVal >= 'A'
&& tmpVal <= 'Z' )
|| ( tmpVal >= '0'
&& tmpVal <= '9' )
|| ( tmpVal == '_' ) ) {
// go on the next char ...
continue;
}
}
}
if (true == m_exprRootNode.parse(_SearchIn, iii, maxlen, findLen)) {
if( _escapeChar != 0
&& iii>0)
{
if (_escapeChar == _SearchIn[iii-1]) {
//==> detected escape char ==> try find again ...
continue;
}
}
// Check end :
if (true == m_notEndWithChar) {
if (iii+findLen < _SearchIn.size() ) {
etk::UChar tmpVal = _SearchIn[iii+findLen];
if( ( tmpVal >= 'a'
&& tmpVal <= 'z' )
|| ( tmpVal >= 'A'
&& tmpVal <= 'Z' )
|| ( tmpVal >= '0'
&& tmpVal <= '9' )
|| ( tmpVal == '_' ) ) {
// go on the next char ...
continue;
}
}
}
m_areaFind.start = iii;
m_areaFind.stop = iii + findLen;
/*
if (iii == 812) {
std::cout << std::endl;
for(int32_t k=startPos; k<endPos; k++){
std::cout << SearchIn[k];
}
std::cout << std::endl;
}
TK_DEBUG("Find RegExp at position : " << i << " startpos=" << startPos << " endPos=" << endPos << " with size :" << findLen << " type : "; );
m_exprRootNode.Display(-1);
TK_DEBUG("---------------------------------------------------");
*/
return true;
}
}
return false;
};
bool processOneElement( const CLASS_TYPE& _SearchIn,
esize_t _startPos,
esize_t _endPos,
etk::UChar _escapeChar=0)
{
if (false == m_isOk) {
return false;
}
esize_t buflen = _SearchIn.size();
if (_endPos > buflen) {
_endPos = buflen;
}
if (_startPos > _endPos) {
return false;
}
esize_t findLen=0;
esize_t maxlen = _endPos-_startPos;
if (true == m_notBeginWithChar) {
if (_startPos>0) {
etk::UChar tmpVal = _SearchIn[_startPos-1];
if( ( tmpVal >= 'a'
&& tmpVal <= 'z' )
|| ( tmpVal >= 'A'
&& tmpVal <= 'Z' )
|| ( tmpVal >= '0'
&& tmpVal <= '9' )
|| ( tmpVal == '_' ) ) {
// go on the next char ...
return false;
}
}
}
if (true == m_exprRootNode.parse(_SearchIn, _startPos, maxlen, findLen)) {
if( _escapeChar != 0
&& _startPos>0)
{
if (_escapeChar == _SearchIn[_startPos-1]) {
//==> detected escape char ==> try find again ...
return false;
}
}
// Check end :
if (true == m_notEndWithChar) {
if (_startPos+findLen < _SearchIn.size() ) {
etk::UChar tmpVal = _SearchIn[_startPos+findLen];
if( ( tmpVal >= 'a'
&& tmpVal <= 'z' )
|| ( tmpVal >= 'A'
&& tmpVal <= 'Z' )
|| ( tmpVal >= '0'
&& tmpVal <= '9' )
|| ( tmpVal == '_' ) ) {
// go on the next char ...
return false;
}
}
}
m_areaFind.start = _startPos;
m_areaFind.stop = _startPos + findLen;
return true;
}
return false;
};
/**
* @brief Get the expression start position detected
* @return position of the start regExp
*/
int32_t start(void) { return m_areaFind.start; };
/**
* @brief Get the expression stop position detected
* @return position of the stop regExp
*/
int32_t stop(void) { return m_areaFind.stop; };
/**
* @brief Display the reg Exp
*/
void display(void)
{
m_exprRootNode.display(0);
};
private:
/**
* @brief
* @param[in,out]
* @return
*/
bool checkGoodPosition(const etk::Vector<etk::UChar>& _tmpExp, esize_t& _pos)
{
etk::UChar curentCode = _tmpExp[_pos];
etk::UChar endCode = REGEXP_OPCODE_PTHESE_OUT;
const char *input = "(...)";
if (curentCode == REGEXP_OPCODE_BRACKET_IN) {
endCode = REGEXP_OPCODE_BRACKET_OUT;
input = "[...]";
} else if (curentCode == REGEXP_OPCODE_BRACE_IN){
endCode = REGEXP_OPCODE_BRACE_OUT;
input = "{x,x}";
}
_pos++;
if (_pos >= _tmpExp.size()) {
TK_ERROR("ended with: ( or { or [ ... not permited");
return false;
}
//TK_DEBUG(" ==> Find ELEMENT : ([{");
// case dependent :
if( curentCode == REGEXP_OPCODE_BRACKET_IN
|| curentCode == REGEXP_OPCODE_BRACE_IN) {
while(_pos<_tmpExp.size()) {
//TK_DEBUG("check : " << tmpExp[pos]);
// if we find the end :
if (endCode == _tmpExp[_pos]) {
return true;
} else {
// otherwise, we check the error in the element ...
char *find = NULL;
switch (_tmpExp[_pos].get())
{
case REGEXP_OPCODE_PTHESE_IN: find = (char*)"("; break;
case REGEXP_OPCODE_BRACKET_IN: find = (char*)"["; break;
case REGEXP_OPCODE_BRACE_IN: find = (char*)"{"; break;
case REGEXP_OPCODE_PTHESE_OUT: find = (char*)")"; break;
case REGEXP_OPCODE_BRACKET_OUT: find = (char*)"]"; break;
case REGEXP_OPCODE_BRACE_OUT: find = (char*)"}"; break;
case REGEXP_OPCODE_STAR: find = (char*)"*"; break;
case REGEXP_OPCODE_DOT: find = (char*)"."; break;
case REGEXP_OPCODE_QUESTION: find = (char*)"?"; break;
case REGEXP_OPCODE_PLUS: find = (char*)"+"; break;
case REGEXP_OPCODE_PIPE: find = (char*)"|"; break;
case REGEXP_OPCODE_START_OF_LINE: find = (char*)"^"; break;
case REGEXP_OPCODE_END_OF_LINE: find = (char*)"$"; break;
case REGEXP_OPCODE_DIGIT: find = (char*)"\\d"; break;
case REGEXP_OPCODE_DIGIT_NOT: find = (char*)"\\D"; break;
case REGEXP_OPCODE_LETTER: find = (char*)"\\l"; break;
case REGEXP_OPCODE_LETTER_NOT: find = (char*)"\\L"; break;
case REGEXP_OPCODE_SPACE: find = (char*)"\\s"; break;
case REGEXP_OPCODE_SPACE_NOT: find = (char*)"\\S"; break;
case REGEXP_OPCODE_WORD: find = (char*)"\\w"; break;
case REGEXP_OPCODE_WORD_NOT: find = (char*)"\\W"; break;
case REGEXP_OPCODE_NO_CHAR: find = (char*)"\\@"; break;
default: break;
}
if (NULL != find) {
(void)input;
TK_ERROR("can not have : '" << find << "' inside " << input << " element");
return false;
}
}
_pos++;
}
} else {
while(_pos< _tmpExp.size()) {
if (endCode == _tmpExp[_pos]) {
// find the last element
return true;
} else if ( _tmpExp[_pos] == REGEXP_OPCODE_BRACE_OUT) {
TK_ERROR("find } inside a (...) without start {");
return false;
} else if ( _tmpExp[_pos] == REGEXP_OPCODE_BRACKET_OUT) {
TK_ERROR("find ] inside a (...) without start [");
return false;
} else {
if( _tmpExp[_pos] == REGEXP_OPCODE_PTHESE_IN
|| _tmpExp[_pos] == REGEXP_OPCODE_BRACKET_IN
|| _tmpExp[_pos] == REGEXP_OPCODE_BRACE_IN ) {
if (false==checkGoodPosition(_tmpExp, _pos) ) {
return false;
}
}
}
_pos++;
}
}
// we did not find the cloder . ...
if (endCode == REGEXP_OPCODE_BRACKET_OUT) {
TK_ERROR("Missing ']' at the end");
}
if (endCode == REGEXP_OPCODE_BRACE_OUT) {
TK_ERROR("Missing '}' at the end");
}
if (endCode == REGEXP_OPCODE_PTHESE_OUT) {
TK_ERROR("Missing ')' at the end");
}
return false;
};
/**
* @brief
* @param[in,out]
* @return
*/
bool checkGoodPosition(const etk::Vector<etk::UChar>& _tmpExp)
{
esize_t pos = 0;
while (pos < _tmpExp.size()) {
//TK_DEBUG("check : " << tmpExp[pos]);
if( _tmpExp[pos] == REGEXP_OPCODE_PTHESE_IN
|| _tmpExp[pos] == REGEXP_OPCODE_BRACKET_IN
|| _tmpExp[pos] == REGEXP_OPCODE_BRACE_IN)
{
// attention the i position change inside the finction...
if (false==checkGoodPosition(_tmpExp, pos) ) {
TK_ERROR("Error at position : " << pos+1 );
return false;
} else {
//TK_DEBUG(" <== Find ELEMENT : ]})");
}
} else if(_tmpExp[pos] == REGEXP_OPCODE_PTHESE_OUT) {
TK_ERROR("can find ')' with no start : ')'");
return false;
} else if(_tmpExp[pos] == REGEXP_OPCODE_BRACKET_OUT) {
TK_ERROR("can find ']' with no start : '['");
return false;
} else if(_tmpExp[pos] == REGEXP_OPCODE_BRACE_OUT) {
TK_ERROR("can find '}' with no start : '{'");
return false;
}
pos++;
}
return true;
};
};
}; // end of etk namespace
#undef __class__
#define __class__ (NULL)
#endif