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#include "utils.h"
#include <wx/tokenzr.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <wx/string.h>
#include <wx/regex.h>
#include <wx/arrstr.h>
#include <map>
#include "pptable.h"
#ifdef __WXMSW__
# include <windows.h>
# include <process.h>
# include <Tlhelp32.h>
#else
# include <signal.h>
#endif
#ifdef __FreeBSD__
#include <fcntl.h>
#include <paths.h>
#include <kvm.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#endif
#ifdef _WIN32
#define CURRENT_GCC_VERSION ((__GNUC__*1000)+(__GNUC_MINOR__*100))
#define GCC_VERSION(major, minor) ((major*1000)+(minor*100))
#if CURRENT_GCC_VERSION < GCC_VERSION(4,9)
#include <string.h>
#define strdup _strdup
#endif
#endif
/**
* helper string methods
*/
/**
* @brief remove whitespaces from string
* @param str
*/
void string_trim(std::string &str)
{
str.erase(0, str.find_first_not_of(" \t\n\r\v"));
str.erase(str.find_last_not_of(" \t\n\r\v")+1);
}
/**
* @brief tokenize string into array of string by delimiters
* @param str input string
* @param delimiters delimiters to break the string according to
* @return vector of strings
*/
std::vector<std::string> string_tokenize(const std::string &str, const std::string& delimiter)
{
std::string::size_type start (0);
std::vector<std::string> tokens;
std::string token;
std::string::size_type end = str.find(delimiter);
while ( end != std::string::npos ) {
if ( end != start )
token = str.substr(start, end - start);
else
token.clear();
// trim spaces
string_trim(token);
if ( !token.empty() )
tokens.push_back(token);
// next token
start = end + delimiter.length();
end = str.find(delimiter, start );
}
if ( start != (str.length() - 1) ) {
// We have another token which is not delimited
token = str.substr(start);
tokens.push_back(token);
}
return tokens;
}
// ------------------------------------------
// Process manipulation
// ------------------------------------------
bool is_process_alive(long pid)
{
#ifdef __WXMSW__
static HANDLE hProc = NULL;
if ( hProc == NULL ) {
hProc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, (DWORD)pid);
}
if ( hProc ) {
int rc = WaitForSingleObject(hProc, 5);
switch (rc) {
case WAIT_TIMEOUT:
return true;
default:
return false;
}
}
return true;
#else
return kill(pid, 0) == 0; // send signal 0 to process
#endif
}
static char *load_file(const char *fileName) {
FILE *fp;
long len;
char *buf = NULL;
fp = fopen(fileName, "rb");
if (!fp) {
return 0;
}
fseek(fp, 0, SEEK_END);
len = ftell(fp);
fseek(fp, 0, SEEK_SET);
buf = (char *)malloc(len+1);
long bytes = fread(buf, sizeof(char), len, fp);
if (bytes != len) {
fclose(fp);
free(buf);
return 0;
}
buf[len] = 0; // make it null terminated string
fclose(fp);
return buf;
}
static CLReplacementList replacements;
static int first = 1;
extern "C" char* ctagsReplacements(char* result)
{
/**
* try to load the file once
**/
if( first ) {
char *content = (char*)0;
char *file_name = getenv("CTAGS_REPLACEMENTS");
first = 0;
if(file_name) {
/* open the file */
content = load_file(file_name);
if(content) {
wxArrayString lines = wxStringTokenize(wxString::From8BitData(content), wxT("\n"), wxTOKEN_STRTOK);
free(content);
for(size_t i=0; i<lines.GetCount(); i++) {
wxString pattern = lines.Item(i).BeforeFirst(wxT('='));
wxString replace = lines.Item(i).AfterFirst(wxT('='));
pattern.Trim().Trim(false);
replace.Trim().Trim(false);
CLReplacement repl;
repl.construct(pattern.To8BitData().data(), replace.To8BitData().data());
if(repl.is_ok) {
replacements.push_back( repl );
}
}
}
}
}
if( replacements.empty() == false ) {
std::string outStr = result;
CLReplacementList::iterator iter = replacements.begin();
for(; iter != replacements.end(); iter++) {
CLReplacePatternA(outStr, *iter, outStr);
}
if(outStr == result)
return NULL;
return strdup(outStr.c_str());
}
return NULL;
}
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