cantera/include/cantera/base/stringUtils.h

292 lines
8.5 KiB
C++

/**
* @file stringUtils.h
* Contains declarations for string manipulation functions
* within Cantera.
*/
// Copyright 2001 California Institute of Technology
#ifndef CT_STRINGUTILS_H
#define CT_STRINGUTILS_H
#include "ct_defs.h"
#include <string>
namespace Cantera
{
class Phase;
class ThermoPhase;
//! Convert a double into a c++ string
/*!
* This routine doesn't assume a formatting. You
* must supply the formatting
*
* @param x double to be converted
* @param fmt Format to be used (printf style)
*/
std::string fp2str(const double x, const std::string& fmt);
//! Convert a double into a c++ string
/*!
* The default format to use is equivalent to the default
* format used by printf's %g formatting.
*
* @param x double to be converted
*/
std::string fp2str(const double x);
//! Convert an int to a string using a format converter
/*!
* @param n int to be converted
* @param fmt format converter for an int int the printf command
*/
std::string int2str(const int n, const std::string& fmt);
//! Convert an int to a string
/*!
* @param n int to be converted
*/
std::string int2str(const int n);
//! Convert an unsigned integer to a string
/*!
* @param n int to be converted
*/
std::string int2str(const size_t n);
//! Strip the leading and trailing white space
//! from a string
/*!
* The command isprint() is used to determine printable
* characters.
*
* @param s Input string
* @return Returns a copy of the string, stripped
* of leading and trailing white space
*/
std::string stripws(const std::string& s);
//! Strip non-printing characters wherever they are
/*!
* @param s Input string
* @return Returns a copy of the string,
* stripped of all non-printing characters.
*/
std::string stripnonprint(const std::string& s);
//! Cast a copy of a string to lower case
/*!
* @param s Input string
* @return Returns a copy of the string,
* with all characters lowercase.
*/
std::string lowercase(const std::string& s);
//! Parse a composition string into a map consisting of individual key:composition
//! pairs.
/*!
* The composition is a double.
* Example
*
* Input is
*
* "fire:0 ice:1 snow:2"
*
* Output is
* x["fire"] = 0
* x["ice"] = 1
* x["snow"] = 2
*
* @param ss original string consisting of multiple key:composition
* pairs on multiple lines
* @param x Output map consisting of a composition
* map, which is a string to double map
*/
void parseCompString(const std::string& ss, Cantera::compositionMap& x);
//! Parse a composition string into individual key:composition
//! pairs
/*!
*
* @param ss original string consisting of multiple key:composition
* pairs on multiple lines
* @param w Output vector consisting of single key:composition
* items in each index.
*/
void split(const std::string& ss, std::vector<std::string>& w);
//! Interpret a string as a list of floats, and convert it to a vector
//! of floats
/*!
* @param str String input vector
* @param a Output pointer to a vector of floats
* @param delim character delimiter. Defaults to a space
* @return Returns the number of floats found and converted
*/
int fillArrayFromString(const std::string& str, doublereal* const a,
const char delim = ' ');
//! Generate a logfile name based on an input file name
/*!
* It tries to find the basename. Then, it appends a .log
* to it.
*
* @param infile Input file name
*
* @return Returns a logfile name
*/
std::string logfileName(const std::string& infile);
//! Get the file name without the path or extension
/*!
* @param fullPath Input file name consisting
* of the full file name
*
* @return Returns the basename
*/
std::string getBaseName(const std::string& fullPath);
//! Translate a string into one integer value
/*!
* No error checking is done on the conversion. The c stdlib function
* atoi() is used.
*
* @param val String value of the integer
*
* @return Returns an integer
*/
int intValue(std::string val);
//! Translate a string into one doublereal value
/*!
* No error checking is done on the conversion. The c stdlib function
* atof() is used.
*
* @param val String value of the double
*
* @return Returns a doublereal value
*/
doublereal fpValue(std::string val);
//! Translate a string into one doublereal value
/*!
* Error checking is carried on the conversion.
*
* @param val String value of the double
*
* @return Returns a doublereal value
*/
doublereal fpValueCheck(std::string val);
//! Parse a name string, separating out the phase name from the species name
/*!
* Name strings must not contain these internal characters "; \n \t ,"
* Only one colon is allowed, the one separating the phase name from the
* species name. Therefore, names may not include a colon.
*
* @param nameStr (input) Name string containing the phase name and the species
* name separated by a colon. The phase name is optional.
* example: "silane:SiH4"
* @param phaseName (output) Name of the phase, if specified. If not specified,
* a blank string is returned.
* @return (output) Species name is returned. If nameStr is blank
* an empty string is returned.
*/
std::string parseSpeciesName(const std::string& nameStr, std::string& phaseName);
//! Line wrap a string via a copy operation
/*!
* @param s Input string to be line wrapped
* @param len Length at which to wrap. The
* default is 70.
*/
std::string wrapString(const std::string& s,
const int len=70);
//! Routine strips off white space from a c character string
/*!
* This routine strips off blanks and tabs (only leading and trailing
* characters) in 'str'. On return, it returns the number of
* characters still included in the string (excluding the null character).
*
* Comments are excluded -> All instances of the comment character, '!',
* are replaced by NULL character thereby terminating
* the string
*
* Parameter list:
*
* @param str On output 'str' contains the same characters as on
* input except the leading and trailing white space and
* comments have been removed.
*/
int stripLTWScstring(char str[]);
//! Translate a char string into a single double
/*!
* atofCheck is a wrapper around the C stdlib routine atof().
* It does quite a bit more error checking than atof() or
* strtod(), and is quite a bit more restrictive.
*
* First it interprets both E, e, d, and D as exponents.
* atof() only interprets e or E as an exponent character.
*
* It only accepts a string as well formed if it consists as a
* single token. Multiple words will produce an error message
*
* It will produce an error for NAN and inf entries as well,
* in contrast to atof() or strtod().
* The user needs to know that a serious numerical issue
* has occurred.
*
* It does not accept hexadecimal numbers.
*
* @param dptr pointer to the input c string
* @return Returns the double
*
* On any error, it will throw a CanteraError signal.
*/
doublereal atofCheck(const char* const dptr);
//! Interpret one or two token string as a single double
/*!
* This is similar to atof(). However, the second token
* is interpreted as an MKS units string and a conversion
* factor to MKS is applied.
*
* Example
* " 1.0 atm"
*
* results in the number 1.01325e5
*
* @param strSI string to be converted. One or two tokens
*
* @return returns a converted double
*/
doublereal strSItoDbl(const std::string& strSI);
//! This function separates a string up into tokens
//! according to the location of white space.
/*!
* White space includes the new line character. tokens
* are stripped of leading and trailing white space.
*
* The separate tokens are returned in a string vector, v.
*
* @param oval String to be broken up
* @param v Output vector of tokens.
*/
void tokenizeString(const std::string& oval,
std::vector<std::string>& v);
//! Copy the contents of a std::string into a char array of a given length
void copyString(const std::string& source, char* dest, size_t length);
}
#endif