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developing a in-house tokenizer

This commit is contained in:
tangxifan 2019-08-09 16:36:22 -06:00
parent 3d7adb3dd9
commit f80e58c753
2 changed files with 201 additions and 0 deletions
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120
vpr7_x2p/libarchfpga/SRC/fpga_spice_include/string_token.cpp Normal file
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/**********************************************************
* MIT License
*
* Copyright (c) 2018 LNIS - The University of Utah
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
***********************************************************************/
/************************************************************************
* Filename: string_token.cpp
* Created by: Xifan Tang
* Change history:
* +-------------------------------------+
* | Date | Author | Notes
* +-------------------------------------+
* | 2019/08/09 | Xifan Tang | Created
* +-------------------------------------+
***********************************************************************/
/************************************************************************
* Member functions for StringToken class
***********************************************************************/
#include "string.h"
#include "vtr_assert.h"
#include "string_token.h"
/************************************************************************
* Constructors
***********************************************************************/
StringToken::StringToken (const std::string& data) {
set_data(data);
}
/************************************************************************
* Public Accessors
***********************************************************************/
/* Get the data string */
std::string StringToken::data() const {
return data_;
}
/* Split the string */
std::vector<std::string> StringToken::split() {
/* Return vector */
std::vector<std::string> ret;
/* Add a default delim */
if (true == delims_.empty()) {
add_default_delim();
}
/* Create delims */
std::string delims;
for (const auto& delim : delims_) {
delims.push_back(delim);
}
/* Get a writable char array */
char* tmp = new char[data_.size() + 1];
std::copy(data_.begin(), data_.end(), tmp);
tmp[data_.size()] = '\0';
/* Split using strtok */
char* result = strtok(tmp, delims.c_str());
while (NULL != result) {
std::string result_str(result);
/* Store the token */
ret.push_back(result_str);
/* Got to next */
result = strtok(NULL, delims.c_str());
}
/* Free the tmp */
delete[] tmp;
return ret;
}
/************************************************************************
* Public Mutators
***********************************************************************/
void StringToken::set_data(const std::string& data) {
data_ = data;
return;
}
/* Add a delima to the list */
void StringToken::add_delim(const char& delim) {
delims_.push_back(delim);
}
/************************************************************************
* Internal Mutators
***********************************************************************/
void StringToken::add_default_delim() {
VTR_ASSERT_SAFE(true == delims_.empty());
delims_.push_back(' ');
return;
}
/************************************************************************
* End of file : string_token.cpp
***********************************************************************/

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vpr7_x2p/libarchfpga/SRC/fpga_spice_include/string_token.h Normal file
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/**********************************************************
* MIT License
*
* Copyright (c) 2018 LNIS - The University of Utah
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
***********************************************************************/
/************************************************************************
* Filename: string_token.h
* Created by: Xifan Tang
* Change history:
* +-------------------------------------+
* | Date | Author | Notes
* +-------------------------------------+
* | 2019/08/09 | Xifan Tang | Created
* +-------------------------------------+
***********************************************************************/
/* IMPORTANT:
* The following preprocessing flags are added to
* avoid compilation error when this headers are included in more than 1 times
*/
#ifndef STRING_TOKEN_H
#define STRING_TOKEN_H
/*
* Notes in include header files in a head file
* Only include the neccessary header files
* that is required by the data types in the function/class declarations!
*/
/* Header files should be included in a sequence */
/* Standard header files required go first */
#include <string>
#include <vector>
/************************************************************************
* This file includes a tokenizer for string objects
* It splits a string with given delima and return a vector of tokens
* It can accept different delima in splitting strings
***********************************************************************/
class StringToken {
public : /* Constructors*/
StringToken (const std::string& data);
public : /* Public Accessors */
std::string data() const;
std::vector<std::string> split();
public : /* Public Mutators */
void set_data(const std::string& data);
void add_delim(const char& delim);
private : /* Private Mutators */
void add_default_delim();
private: /* Internal data */
std::string data_; /* Lines to be splited */
std::vector<char> delims_;
};
#endif
/************************************************************************
* End of file : string_token.h
***********************************************************************/