/*
* strip leading and trailing spaces from the string.
*/
extern string string_util::trim (const string &str) {
typedef string::size_type string_size;
string new_str="";
string_size i=0;
while(i<str.size()){
//skip initial whitespace
while(i<str.size() && isspace(str[i])) {
i++;
}
// find the extent of ending whitespace
string_size j=str.size();
while(j>i && isspace(str[j-1])) {
j--;
}
//copy the non-whitespace into the new string
if (i!=j){
new_str+=str.substr(i,j-i);
i=j;
}
}
return new_str;
}
/*
* split a string into doubles using whitespace as delimiter
*/
extern std::vector<double> string_util::split_doubles(const string &str){
std::vector<double> result;
typedef std::string::size_type string_size;
std::string tempstr;
string_size i=0;
while(i<str.size()){
// skip seperators at end of last word
while(i<str.size() && isspace(str[i]) )
i++;
// find end of "word"
string_size j=i;
while(j<str.size() && !isspace(str[j])){
j++;
}
if(i!=j){
tempstr = str.substr(i,j-i);
while (isspace(tempstr[0])){
tempstr = tempstr.substr(1);
}
while (isspace(tempstr[tempstr.size()-1])){
tempstr = tempstr.substr(0, tempstr.size()-1);
}
result.push_back(string_util::str_to_float(tempstr));
i=j;
}
}
return result;
}
string split(const string& s)
{
string ret;
typedef string::size_type string_size;
string_size i = 1; //SET TO 1 TO IGNORE LEFT FRAME
string_size start=0;
// invariant: we have processed characters `['original value of `i', `i)'
while (i != s.size()) {
// ignore leading blanks
// invariant: characters in range `['original `i', current `i)' are all spaces
while (i != s.size() && isspace(s[i]))
++i;
// find end of next word
string_size j = s.size()-2;
// invariant: none of the characters in range `['original `j', current `j)' is a space
while (j != start && isspace(s[j]))
--j;
// if we found some nonwhitespace characters
if (i != j) {
// copy from `s' starting at `i' and taking `j' `\-' `i' chars
ret = string(s.substr(i, j+1 - i));
i = j;
break;
}
cout << "finish" << endl;
}
return ret;
}
/*
* split a line of numeric entrys using whitespace, commas, semicolons, ... as delimiter
*/
extern std::vector<unsigned int> string_util::split_uints(const std::string &str){
std::vector<unsigned int> result;
typedef std::string::size_type string_size;
string_size i=0;
while(i<str.size()){
// skip seperators at end of last word
while(i<str.size() && (isspace(str[i]) || (ispunct(str[i]) && str[i]!='.') )) {
i++;
}
// find end of "word"
string_size j=i;
while(j<str.size() && !isspace(str[j]) && !(ispunct(str[j]) && str[j]!='.') ){
j++;
}
if(i!=j){
result.push_back(string_util::str_to_int(str.substr(i,j-i)));
i=j;
}
}
return result;
}
string_vector split(const string& s)
{
string_vector ret;
string_size i = 0;
while (i != s.size())
{
while (i != s.size() && isspace(s[i]))
{
++i;
}
string_size j = i;
while (j != s.size() && !isspace(s[j]))
{
++j;
}
if (i != j)
{
ret.push_back(s.substr(i, j - i));
i = j;
}
}
return ret;
}
vector<string> split(const string& s)
{
vector<string> ret;
typedef string::size_type s_type;
s_type i = 0;
while(i != s.size())
{
while(isspace(s[i]) && i != s.size())
++i;
s_type j = i;
while(!isspace(s[j]) && j != s.size())
j++;
if(i != j)
{
ret.push_back(s.substr(i, j-i));
i = j;
}
}
return ret;
}
/*
* split a line of numeric entrys using whitespace, commas, semicolons, ... as delimiter
*/
extern std::vector<std::string> string_util::split_values(const string &str){
std::vector<std::string> result;
typedef std::string::size_type string_size;
string_size i=0;
while(i<str.size()){
// skip seperators at end of last word
while(i<str.size() && (isspace(str[i]) || (ispunct(str[i]) && (str[i]!='.' && str[i]!='-' && str[i]!='+' && str[i]!='\'' && str[i]!='\"')) )) {
i++;
}
// find end of "word"
string_size j=i;
//std::cout << "str["<<i<<"]: " << str[i] << std::endl;
if (str[i] == '\'') {
while(j<str.size()) {
j++;
if (str[j]=='\'') {
j++;
break;
}
}
}
else if (str[i] == '\"') {
while(j<str.size()) {
j++;
if (str[j]=='\"') {
j++;
break;
}
}
}
else {
while(j<str.size() && !isspace(str[j]) && !( ispunct(str[j]) && str[j]!='.' && str[j]!='-' && str[j]!='+') ){
j++;
}
}
if(i!=j){
result.push_back(str.substr(i,j-i));
i=j;
}
}
/*std::cout << "STARTTTTTTTTTTTTTTTTTTTTTTT: " <<std::endl;
for (std::vector<std::string>::iterator itt=result.begin(); itt!=result.end(); itt++) {
std::cout << "resulting vector: " << *itt << std::endl;
}*/
return result;
}
string::size_type reduceSpace (std::string& ioTargetStr)
//: reduce any runs of whitespace to a single character
{
string::size_type theLoss = 0;
bool thePrevCharWasSpace = false;
for (string::iterator q = ioTargetStr.begin(); q != ioTargetStr.end();)
{
if (isspace (*q))
{
if (thePrevCharWasSpace)
{
ioTargetStr.erase (q);
theLoss++;
}
else
{
thePrevCharWasSpace = true;
q++;
}
}
else
{
thePrevCharWasSpace = false;
q++;
}
}
return theLoss;
}
string::size_type StripLeadingWhitespace (string& ioTargetStr)
{
string::size_type theInitSize = ioTargetStr.size();
while (ioTargetStr.size() and isspace(ioTargetStr[0]))
ioTargetStr.erase(ioTargetStr.begin());
return (theInitSize - ioTargetStr.size());
}
string::size_type StripTrailingWhitespace (string& ioTargetStr)
{
string::size_type theInitSize = ioTargetStr.size();
while (ioTargetStr.size() and isspace(ioTargetStr[ioTargetStr.size()]))
ioTargetStr.erase(ioTargetStr.end() - 1);
return (theInitSize - ioTargetStr.size());
}
void rtrim(string& text) {
string::size_type i = text.size();
while (i > 0 && isspace(text[i - 1])) {
--i;
}
text.erase(i);
}
void ltrim(string& text) {
string::size_type i = 0;
const string::size_type text_size = text.size();
while(i < text_size && isspace(text[i])) {
++i;
}
text.erase(0, i);
}
string::size_type eraseTrailingSpace (string& ioTargetStr)
//: delete any whitespace at the string end & return the number removed.
// See eraseLeadingSpace() for further notes.
{
string::size_type theInitSize = ioTargetStr.size();
while (ioTargetStr.size() and isspace(ioTargetStr[ioTargetStr.size() - 1]))
ioTargetStr.erase(ioTargetStr.end() - 1);
return (theInitSize - ioTargetStr.size());
}
string::size_type eraseLeadingSpace (string& ioTargetStr)
//: delete any whitespace at the string front & return the number removed.
// Whitespace is that defined by isspace(): space, tabs, formfeeds, eoln
// characters.
{
string::size_type theInitSize = ioTargetStr.size();
while (ioTargetStr.size() and isspace(ioTargetStr[0]))
ioTargetStr.erase(ioTargetStr.begin());
return (theInitSize - ioTargetStr.size());
}
std::vector<std::string> binspector_interface_t::split_command_string(const std::string& command)
{
#if !BOOST_WINDOWS
using std::isspace;
#endif
std::vector<std::string> result;
std::string segment;
std::vector<char> command_buffer(command.begin(), command.end());
// faster performance to pop items off the back instead of the front
std::reverse(command_buffer.begin(), command_buffer.end());
while (!command_buffer.empty())
{
char c(command_buffer.back());
if (isspace(c))
{
result.push_back(segment);
segment = std::string();
while (!command_buffer.empty() && isspace(command_buffer.back()))
command_buffer.pop_back();
}
else
{
segment += c;
command_buffer.pop_back();
}
}
if (!segment.empty())
result.push_back(segment);
return result;
}
int main()
{
string s("Expressions in C++ are composed...");
string::iterator it = s.begin();
// convert first word in s to uppercase
while (it != s.end() && !isspace(*it)) {
*it = toupper(*it);
++it;
}
cout << s << endl;
return 0;
}
/*
* split a string up using whitespace as delimiter
*/
extern std::vector<std::string> string_util::split_whitespace(const string &str){
std::vector<std::string> result;
typedef std::string::size_type string_size;
string_size i=0;
while(i<str.size()){
// skip seperators at end of last word
while(i<str.size() && isspace(str[i]) )
i++;
// find end of "word"
string_size j=i;
while(j<str.size() && !isspace(str[j])){
j++;
}
if(i!=j){
result.push_back(str.substr(i,j-i));
i=j;
}
}
return result;
}
int main()
{
string s("Hello World!!!");
// punct_cnt has the same type that s.size returns
decltype(s.size()) punct_cnt = 0;
// count the number of punctuation characters in s
for (auto c : s) // for every char in s
if (ispunct(c)) // if the character is punctuation
++punct_cnt; // increment the punctuation counter
cout << punct_cnt
<< " punctuation characters in " << s << endl;
// convert s to uppercase
string orig = s;
for (auto &c : s) // for every char in s (note: c is a reference)
// c is a reference, so this assignment changes the char in s
c = toupper(c);
cout << s << endl;
// convert first word in s to uppercase
s = orig; // restore s to original case
decltype(s.size()) index = 0;
// process characters in s until we run out of characters
// or we hit a whitespace
while (index != s.size() && !isspace(s[index])) {
// s[index] returns a reference so we can change
// the underlying character
s[index] = toupper(s[index]);
// increment the index to look at the next character
// on the next iteration
++index;
}
cout << s << endl;
return 0;
}
string::size_type eraseInternalSpace (string& ioTargetStr)
//: delete whitespace characters at either end & return the number removed.
// See eraseLeadingSpace() for further notes.
{
string::size_type theLoss = 0;
for (string::iterator q = ioTargetStr.begin(); q != ioTargetStr.end();)
{
if (isspace (*q))
{
ioTargetStr.erase (q);
theLoss++;
}
else
{
q++;
}
}
return theLoss;
}
void KeyBinder::ParseLine(char *line)
{
size_t i;
SDL_keysym k;
ActionType a;
k.sym = SDLK_UNKNOWN;
k.mod = KMOD_NONE;
string s = line, u;
string d, desc, keycode;
bool show;
skipspace(s);
// comments and empty lines
if (s.length() == 0 || s[0] == '#')
return;
u = s;
u = to_uppercase(u);
// get key
while (s.length() && !isspace(s[0])) {
// check modifiers
if (u.substr(0,4) == "ALT-") {
k.mod = (SDLMod)(k.mod | KMOD_ALT);
s.erase(0,4); u.erase(0,4);
} else if (u.substr(0,5) == "CTRL-") {
k.mod = (SDLMod)(k.mod | KMOD_CTRL);
s.erase(0,5); u.erase(0,5);
} else if (u.substr(0,6) == "SHIFT-") {
k.mod = (SDLMod)(k.mod | KMOD_SHIFT);
s.erase(0,6); u.erase(0,6);
} else {
i=s.find_first_of(chardata.whitespace);
keycode = s.substr(0, i); s.erase(0, i);
string t = to_uppercase(keycode);
if (t.length() == 0) {
cerr << "Keybinder: parse error in line: " << s << endl;
return;
} else if (t.length() == 1) {
// translate 1-letter keys straight to SDLKey
char c = t[0];
if (c >= 33 && c <= 122 && c != 37) {
if (c >= 'A' && c <= 'Z')
c += 32; // need lowercase
k.sym = static_cast<SDLKey>(c);
} else {
cerr << "Keybinder: unsupported key: " << keycode << endl;
}
} else {
// lookup in table
ParseKeyMap::iterator key_index;
key_index = keys.find(t);
if (key_index != keys.end()) {
k.sym = (*key_index).second;
} else {
cerr << "Keybinder: unsupported key: " << keycode << endl;
return;
}
}
}
}
if (k.sym == SDLK_UNKNOWN) {
cerr << "Keybinder: parse error in line: " << s << endl;
return;
}
// get function
skipspace(s);
i=s.find_first_of(chardata.whitespace);
string t = s.substr(0, i); s.erase(0, i);
t = to_uppercase(t);
ParseActionMap::iterator action_index;
action_index = actions.find(t);
if (action_index != actions.end()) {
a.action = (*action_index).second;
} else {
cerr << "Keybinder: unsupported action: " << t << endl;
return;
}
// get params
skipspace(s);
int np = 0;
while (s.length() && s[0] != '#' && np < c_maxparams) {
i=s.find_first_of(chardata.whitespace);
string t = s.substr(0, i);
s.erase(0, i);
skipspace(s);
int p = atoi(t.c_str());
a.params[np++] = p;
}
// read optional help comment
if (s.length() >= 1 && s[0] == '#') {
if (s.length() >= 2 && s[1] == '-') {
show = false;
} else {
s.erase(0,1);
skipspace(s);
d = s;
show = true;
}
} else {
d = a.action->desc;
show = a.action->key_type != Action::dont_show;
}
if (show) {
desc = "";
if (k.mod & KMOD_CTRL)
desc += "Ctrl-";
#if defined(MACOS) || defined(MACOSX)
if (k.mod & KMOD_ALT)
desc += "Cmd-";
#else
if (k.mod & KMOD_ALT)
desc += "Alt-";
#endif
if (k.mod & KMOD_SHIFT)
desc += "Shift-";
if(keycode == "`")
desc += "grave";
else
desc += keycode;
desc += " - " + d;
// add to help list
if (a.action->key_type == Action::normal_keys)
keyhelp.push_back(desc);
else if (a.action->key_type == Action::cheat_keys)
cheathelp.push_back(desc);
}
// bind key
AddKeyBinding(k.sym, k.mod, a.action, np, a.params);
}
Chardata()
{
for(size_t i=0;i<256;i++)
if(isspace(i))
whitespace+=static_cast<char>(i);
}
bool not_space(char c)
{
return !isspace(c);
}
bool space(char c)
{
return isspace(c);
}
static StrVec shrink_and_split(string &str){
static const char *COMMA=",";
typedef string::size_type string_size;
// replace brackets with commas
for( string::iterator ch=str.begin() ; ch!=str.end() ; ch++ ){
if(is_bracket(*ch))
*ch=*COMMA;
}
// replace the first space with a comma
bool space=false;
for( string::iterator ch=str.begin() ; ch!=str.end() ; ch++ ){
if(isspace(*ch)){
if(!space){
space=true;
*ch=*COMMA;
}
}else{
space=false;
}
}
// remove spaces
{
string new_str="";
string_size i=0;
while(i<str.size()){
// skip initial whitespace
while(i<str.size() && isspace(str[i]))
i++;
// find the end of the non-whitespace section
string_size j=i;
while(j<str.size() && !isspace(str[j]))
j++;
// copy the non-whitespace into the new string
if(i!=j){
new_str+=str.substr(i,j-i);
i=j;
}
}
str=new_str;
}
// remove commas that are next to each other
while(global_replace(str,",,",",")){
// the test does the work
}
// trim extra commas off of the beginning
while(str.substr(0,1)==COMMA)
str.erase(0,1);
// trim extra commas off of the end
while(str.substr(str.size()-1,str.size())==COMMA)
str.erase(str.size()-1,str.size());
return string_util::split(str);
}
