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/* -*- c++ -*-
Copyright (C) 2004-2013 Christian Wieninger
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
The author can be reached at cwieninger@gmx.de
The project's page is at http://winni.vdr-developer.org/epgsearch
*/
#include <algorithm>
#include <string>
#include <fstream>
#include <iostream>
#include <ctype.h>
#include <netdb.h>
#include <arpa/inet.h>
#ifdef __FreeBSD__
#include <netinet/in.h>
#endif
#include "uservars.h"
#include "epgsearchtools.h"
#include "epgsearchext.h"
#include "epgsearchcats.h"
#include "epgsearchcfg.h"
#include "svdrpclient.h"
#include "distance.h"
#include "md5.h"
#include "afuzzy.h"
#include "timerstatus.h"
#include <langinfo.h>
#ifdef HAVE_PCREPOSIX
#include <pcreposix.h>
#elif defined(HAVE_LIBTRE)
#include <tre/regex.h>
#else
#include <regex.h>
#endif
const char AllowedChars[] = trNOOP("$ abcdefghijklmnopqrstuvwxyz0123456789-.,#~\\^$[]|()*+?{}/:%@&_");
extern bool isUTF8;
int CompareEventTime(const void *p1, const void *p2)
{
time_t time1 = (*(cSearchResult **)p1)->event->StartTime();
time_t time2 = (*(cSearchResult **)p2)->event->StartTime();
if (time1 == time2)
return (int)(ChannelNrFromEvent((*(cSearchResult **)p1)->event) -
ChannelNrFromEvent((*(cSearchResult **)p2)->event));
else
return (int)(time1 - time2);
}
int CompareEventChannel(const void *p1, const void *p2)
{
int ch1 = ChannelNrFromEvent((*(cSearchResult **)p1)->event);
int ch2 = ChannelNrFromEvent((*(cSearchResult **)p2)->event);
if (ch1 == ch2)
return (int)((*(cSearchResult **)p1)->event->StartTime() -
(*(cSearchResult **)p2)->event->StartTime());
else
return ch1 - ch2;
}
int CompareSearchExtPrioDescTerm(const void *p1, const void *p2)
{
int prio1 = (*(cSearchExt **)p1)->Priority;
int prio2 = (*(cSearchExt **)p2)->Priority;
if (prio2 != prio1)
return prio2 - prio1;
else
return strcmp((*(cSearchExt **)p1)->search, (*(cSearchExt **)p2)->search);
}
cString IndentMenuItem(const char* szString, int indentions)
{
char* szIndented = NULL;
msprintf(&szIndented, "%*s", strlen(szString)+indentions*2, szString);
cString szIndentedStr(szIndented, true /*take pointer*/);
return szIndentedStr;
}
bool MatchesSearchMode(const char* szTest, const char* searchText, int mode, const char* delim, int tolerance)
{
if (szTest && *szTest)
{
if (mode == 0) // substring
return (strstr(szTest, searchText) != NULL);
else if (mode == 1 || mode == 2) // AND or OR
{
bool bTesting = false;
char *pstrSearchToken, *pptr;
bool bFirst=true;
char *pstrSearch=strdup(searchText);
pstrSearchToken=strtok_r(pstrSearch, delim, &pptr);
while(pstrSearchToken)
{
if(szTest && strstr(szTest, skipspace(pstrSearchToken)))
{
if(mode==1)
{ // means AND
if(bFirst)
{
bTesting=true;
bFirst=false;
}
else
bTesting&=true;
}
else
bTesting|=true;
}
else
{// not found!!
if(mode==1)
{ // means AND
bTesting=false;
bFirst=false;
}
}
pstrSearchToken=strtok_r(NULL, delim, &pptr);
}
free(pstrSearch);
return bTesting;
}
else if (mode == 3) // match exactly
{
if (strcmp(szTest, searchText) == 0)
return true;
else
return false;
}
else if (mode == 4) // regexp
{
regex_t re;
if ( 0 == regcomp(&re, searchText, REG_EXTENDED | REG_NOSUB) )
{
int status = regexec( &re, szTest, 0, NULL, 0);
regfree(&re);
return (status == 0);
}
return false;
}
else if (mode == 5) // fuzzy
{
AFUZZY af = { NULL, NULL, NULL, NULL, NULL, NULL, { 0 }, { 0 }, 0, 0, 0, 0, 0, 0 };
string query = searchText?searchText:"";
if (query.size() > 32) query = query.substr(0, 32);
afuzzy_init(query.c_str(), tolerance, 0, &af);
/* Checking substring */
int res = afuzzy_checkSUB(szTest, &af);
afuzzy_free(&af);
return (res > 0);
}
else if (mode >= 10 && mode <= 15)
{
int testvalue = atoi(szTest);
int value = atoi(searchText);
if (value == 0) return true;
if (mode == 10) // less
return testvalue < value;
else if (mode == 11) // less or equal
return testvalue <= value;
else if (mode == 12) // greater
return testvalue > value;
else if (mode == 13) // greater or equal
return testvalue >= value;
else if (mode == 14) // equal
return testvalue == value;
else if (mode == 15) // not equal
return testvalue != value;
}
}
return false;
}
void ToLower(char* szText)
{
if (!szText)
return;
if (!isUTF8)
{
for (int loop = 0; szText[loop] !=0; loop++)
szText[loop] = tolower(szText[loop]);
return;
}
else
{
int length = strlen(szText)+1;
uint* valueUtf8 = new uint[length];
int lengthUtf8 = Utf8ToArray(szText, valueUtf8, length);
for(int i=0; i<lengthUtf8; i++)
valueUtf8[i] = Utf8to(lower, valueUtf8[i]);
Utf8FromArray(valueUtf8, szText, length);
delete [] valueUtf8;
}
}
char* GetExtEPGValue(const cEvent* e, cSearchExtCat* SearchExtCat)
{
if (!e || !SearchExtCat)
return NULL;
return GetExtEPGValue(e->Description(), SearchExtCat->name, SearchExtCat->format);
}
char* GetExtEPGValue(const char* description, const char* catname, const char *format)
{
if (isempty(description))
return NULL;
char* tmp1 = NULL;
char* tmp2 = NULL;
// search the category, must be the first line or at the beginning of a line
if (msprintf(&tmp1, "\n%s: ", catname)==-1 ||
msprintf(&tmp2, "%s: ", catname)==-1)
return NULL;
char* descr = strdup(description);
char* cat = NULL;
int valueOffset = 0;
if ((cat = strstr(descr, tmp1)) != NULL)
{
cat++; // skip linefeed
valueOffset = strlen(tmp1);
}
else if (strstr(descr, tmp2) == descr) // in first line
{
cat = descr;
valueOffset = strlen(tmp2)+1;
}
else
{
free(descr);
free(tmp1);
free(tmp2);
return NULL;
}
// search the value to appear before the next line feed or end
char* end = strchr(cat, '\n');
int endpos = strlen(cat);
if (end)
endpos = end - cat;
cat[endpos] = 0;
char* value = NULL;
msprintf(&value, "%s", cat + valueOffset - 1);
if (format)
{
int ivalue;
if (sscanf(value,"%8i",&ivalue)==1)
{
free(value);
value = NULL;
msprintf(&value, format, ivalue);
}
}
free(descr);
free(tmp1);
free(tmp2);
return value;
}
char* GetAuxValue(const char* aux, const char* name)
{
if (isempty(aux))
return NULL;
char* descr = strdup(aux);
char* beginaux = strstr(descr, "<epgsearch>");
char* endaux = strstr(descr, "</epgsearch>");
if (!beginaux || !endaux) {
free(descr);
return NULL;
}
beginaux += 11; // strlen("<epgsearch>");
endaux[0] = 0;
memmove(descr, beginaux, endaux - beginaux + 1);
if (strcmp(name, "epgsearch") == 0)
return descr; // full aux
int namelen = strlen(name);
char catname[100] = "";
catname[0] = '<';
memcpy(catname + 1, name, namelen);
catname[1 + namelen] = '>';
catname[2 + namelen] = 0;
char* cat = strcasestr(descr, catname);
if (!cat) {
free(descr);
return NULL;
}
cat += namelen + 2;
char* end = strstr(cat, "</");
if (!end) {
free(descr);
return NULL;
}
end[0] = 0;
int catlen = end - cat + 1;
char* value = (char *) malloc(catlen);
memcpy(value, cat, catlen);
free(descr);
return value;
}
char* GetAuxValue(const cRecording *recording, const char* name)
{
if (!recording || !recording->Info()) return NULL;
return GetAuxValue(recording->Info()->Aux(), name);
}
char* GetAuxValue(const cTimer *timer, const char* name)
{
if (!timer || !timer->Aux()) return NULL;
return GetAuxValue(timer->Aux(), name);
}
string UpdateAuxValue(string aux, string section, long num)
{
return UpdateAuxValue(aux, section, NumToString(num));
}
string UpdateAuxValue(string aux, string section, string value)
{
string secStart = "<" + section + ">";
string secEnd = "</" + section + ">";
int valueStartPos = aux.find(secStart);
int valueEndPos = aux.find(secEnd);
if (valueStartPos >= 0 && valueEndPos >= 0)
aux.replace(valueStartPos + secStart.size(), valueEndPos - valueStartPos - secStart.size(), value);
else
aux += secStart + value + secEnd;
return aux;
}
// replace s1 with s2 in s ignoring the case of s1
char *strreplacei(char *s, const char *s1, const char *s2)
{
char *p = strcasestr(s, s1);
if (p) {
int of = p - s;
int l = strlen(s);
int l1 = strlen(s1);
int l2 = 0;
if (s2)
l2 = strlen(s2);
if (l2 > l1)
s = (char *)realloc(s, l + l2 - l1 + 1);
if (l2 != l1)
memmove(s + of + l2, s + of + l1, l - of - l1 + 1);
memcpy(s + of, s2, l2);
}
return s;
}
std::string strreplace(
std::string& result,
const std::string& replaceWhat,
const std::string& replaceWithWhat)
{
while(1)
{
const int pos = result.find(replaceWhat);
if (pos==-1) break;
result.replace(pos,replaceWhat.size(),replaceWithWhat);
}
return result;
}
void sleepMSec(long ms)
{
cCondWait::SleepMs(ms);
}
void sleepSec(long s)
{
sleepMSec(s * 1000);
}
bool SendViaSVDRP(cString SVDRPcmd)
{
bool bSuccess = true;
cString cmdbuf;
if (EPGSearchConfig.useExternalSVDRP)
{
cmdbuf = cString::sprintf("%s -p %d \"%s\"",
epgsSVDRP::cSVDRPClient::SVDRPSendCmd,
EPGSearchConfig.SVDRPPort,
*SVDRPcmd);
FILE *p = popen(cmdbuf, "r");
if (p)
pclose(p);
else
{
LogFile.eSysLog("can't open pipe for command '%s'", *cmdbuf);
bSuccess = false;
}
}
else
{
cmdbuf = SVDRPcmd;
epgsSVDRP::cSVDRPClient client;
if (!client.SendCmd(*cmdbuf))
{
LogFile.eSysLog("command '%s' failed", *cmdbuf);
bSuccess = false;
}
}
return bSuccess;
}
int SendMsg(cString Message, bool confirm, int seconds, eMessageType messageType)
{
int Keys = Skins.QueueMessage(messageType, Message, seconds, confirm?seconds+2:0);
return Keys;
}
bool InEditMode(const char* ItemText, const char* ItemName, const char* ItemValue)
{
bool bEditMode = true;
// ugly solution to detect, if in edit mode
char* value = strdup(ItemText);
strreplace(value, ItemName, "");
strreplace(value, ":\t", "");
// for bigpatch
strreplace(value, "\t", "");
if (strlen(value) == strlen(ItemValue))
bEditMode = false;
free(value);
return bEditMode;
}
// checks if the timer was triggered from a search timer and return a pointer to the search
cSearchExt* TriggeredFromSearchTimer(const cTimer* timer)
{
char* searchID = GetAuxValue(timer, "s-id");
if (!searchID)
return NULL;
cSearchExt* search = SearchExts.GetSearchFromID(atoi(searchID));
free(searchID);
return search;
}
int TriggeredFromSearchTimerID(const cTimer* timer)
{
cSearchExt* trigger = TriggeredFromSearchTimer(timer);
if (trigger)
return trigger->ID;
else
return -1;
}
double FuzzyMatch(const char* s1, const char* s2, int maxLength)
{
Distance D;
int dist = D.LD (s1, s2, maxLength);
double fMaxLength = std::max(strlen(s1), strlen(s2));
return (fMaxLength - dist)/fMaxLength;
}
bool DescriptionMatches(const char* eDescr, const char* rDescr, int matchLimit)
{
if (eDescr == NULL && rDescr == NULL) return true;
if (eDescr == NULL && rDescr != NULL) return false;
if (eDescr != NULL && rDescr == NULL) return false;
int l_eDescr = strlen(eDescr);
int l_rDescr = strlen(rDescr);
if (l_eDescr == l_rDescr && strcmp(eDescr, rDescr) == 0) return true;
// partial match:
// first check the length, should only be different at match limit
int minLength = std::min(l_eDescr, l_rDescr);
int maxLength = std::max(l_eDescr, l_rDescr);
if (100*double(minLength)/double(maxLength) < matchLimit)
return false;
// last try with Levenshtein Distance, only compare the first 1000 chars
double fMatch = FuzzyMatch(eDescr, rDescr, 1000);
double tmp_matchlimit = matchLimit/100.0;
if(maxLength - minLength < 5 && matchLimit < 95)
{
tmp_matchlimit = 0.95;
LogFile.Log(2,"difference between both descriptions is < 5 setting matchlimit to: %.2f %%", tmp_matchlimit*100);
}
if (fMatch > tmp_matchlimit)
{
LogFile.Log(2,"match is: %.2f %%", fMatch*100);
return true;
}
return false;
}
const cEvent* GetEvent(const cTimer* timer)
{
const cEvent* event = NULL;
const cChannel *channel = timer->Channel();
time_t Time = timer->StartTime() + (timer->StopTime() - timer->StartTime()) / 2;
for (int seconds = 0; seconds <= 3; seconds++)
{
{
LOCK_SCHEDULES_READ;
if (Schedules) {
const cSchedule *Schedule = Schedules->GetSchedule(channel->GetChannelID());
if (Schedule) {
event = Schedule->GetEventAround(Time);
if (event) return event;
}
}
}
if (seconds == 0)
LogFile.Log(2,"waiting for EPG info...");
sleepSec(1);
}
LogFile.Log(1,"no EPG info available");
return NULL;
}
// this extracts the real description from a given epg entry cutting all that looks like a category line
// we assume that a category has a name not longer than MAXCATNAMELENGTH and a value not longer than
// MAXCATVALUELENGTH (so in most cases e.g. the 'cast' category will stay part of the description). name and
// value are separated with ': '
#define MAXCATNAMELENGTH 40
#define MAXCATVALUELENGTH 60
char* GetRawDescription(const char* descr)
{
if (!descr || !*descr) return NULL;
char* rawDescr = (char*) calloc(strlen(descr)+1, sizeof(char));
const char* tmp = descr;
while(tmp)
{
// extract a single line
const char* lf = strchr(tmp, '\n');
char* line = NULL;
if (lf)
line = strndup(tmp, lf-tmp);
else
line = strdup(tmp);
// if (lf) *lf = 0;
// check for category
char* delim = strstr(line, ": ");
if (!delim ||
(delim && (delim - line > MAXCATNAMELENGTH || strlen(line) - (delim - line) + 2 > MAXCATVALUELENGTH)))
if (*line)
strcat(rawDescr, line);
if (lf) tmp += strlen(line)+1; else tmp = NULL;
free(line);
}
return rawDescr;
}
void PrepareTimerFile(const cEvent* event, cTimer* timer)
{
if (!event) return;
if (EPGSearchConfig.addSubtitleToTimer == addSubtitleNever && strlen(EPGSearchConfig.defrecdir) == 0) // nothing to do
return;
if (!isempty(event->ShortText())) // add subtitle if present
{
bool addSubtitle = (EPGSearchConfig.addSubtitleToTimer != addSubtitleNever);
if (EPGSearchConfig.addSubtitleToTimer == addSubtitleSmart)
if (event->Duration() > 80*60)
addSubtitle = false;
if (addSubtitle)
{
char tmp[MaxFileName] = "";
snprintf(tmp, MaxFileName, "%s~%s", event->Title(), event->ShortText());
timer->SetFile(tmp);
}
}
if (strlen(EPGSearchConfig.defrecdir) > 0)
{
char directory[MaxFileName] = "";
strn0cpy(directory, EPGSearchConfig.defrecdir,sizeof(directory));
cVarExpr varExprDir(directory);
if (!varExprDir.DependsOnVar("%title%", event))
{
strcat(directory, "~");
strcat(directory, timer->File());
}
// parse the epxression and evaluate it
cVarExpr varExpr(directory);
strcpy(directory, varExpr.Evaluate(event).c_str());
if (strchr(directory, '%') == NULL) // only set directory to new value if all categories could have been replaced
timer->SetFile(directory);
}
}
bool EventsMatch(const cEvent* event1, const cEvent* event2, bool compareTitle, int compareSubtitle, bool compareSummary, int compareDate, unsigned long catvaluesAvoidRepeat, int matchLimit)
{
if (!event1 || !event2) return false;
if (event1 == event2) return true;
// only compare the alphanumeric portions
string Title1 = "";
string Title2 = "";
if (compareTitle)
{
string s1 = event1->Title()?event1->Title():"";
string s2 = event2->Title()?event2->Title():"";
Title1 = GetAlNum(s1);
Title2 = GetAlNum(s2);
std::transform(Title1.begin(), Title1.end(), Title1.begin(), tolower);
std::transform(Title2.begin(), Title2.end(), Title2.begin(), tolower);
}
string Subtitle1 = "";
string Subtitle2 = "";
if (compareSubtitle)
{
string s1 = event1->ShortText()?event1->ShortText():"";
string s2 = event2->ShortText()?event2->ShortText():"";
Subtitle1 = GetAlNum(s1);
Subtitle2 = GetAlNum(s2);
std::transform(Subtitle1.begin(), Subtitle1.end(), Subtitle1.begin(), tolower);
std::transform(Subtitle2.begin(), Subtitle2.end(), Subtitle2.begin(), tolower);
}
string compareExpression = "";
if (compareDate == 1) compareExpression = "%date%";
if (compareDate == 2) compareExpression = "%year%-%week%";
if (compareDate == 3) compareExpression = "%year%-%month%";
bool match = false;
if ((!compareTitle || Title1 == Title2) &&
(!compareSubtitle || (Subtitle1 == Subtitle2 && Subtitle1!="")))
{
const char* Descr1 = event1->Description();
const char* Descr2 = event2->Description();
if (compareSummary)
{
char* rawDescr1 = GetRawDescription(Descr1);
char* rawDescr2 = GetRawDescription(Descr2);
match = DescriptionMatches(rawDescr1, rawDescr2, matchLimit);
free(rawDescr1);
free(rawDescr2);
if (!match) return false;
}
if (compareExpression.size() > 0)
{
cVarExpr varExpr(compareExpression);
string resEvent1 = varExpr.Evaluate(event1);
string resEvent2 = varExpr.Evaluate(event2);
if (resEvent1 != resEvent2)
return false;
}
if (catvaluesAvoidRepeat != 0) // check categories
{
bool bCatMatch = ((Descr1 && Descr2) || (!Descr1 && !Descr2));
cSearchExtCat *SearchExtCat = SearchExtCats.First();
int index = 0;
while (catvaluesAvoidRepeat > 0 && SearchExtCat && bCatMatch)
{
if (catvaluesAvoidRepeat & (1<<index))
{
char* CatValue1 = GetExtEPGValue(Descr1, SearchExtCat->name, SearchExtCat->format);
char* CatValue2 = GetExtEPGValue(Descr2, SearchExtCat->name, SearchExtCat->format);
if ((!CatValue1 && CatValue2) ||
(!CatValue2 && CatValue1) ||
(CatValue1 && CatValue2 && strcmp(CatValue1, CatValue2) != 0))
bCatMatch = false;
free(CatValue1);
free(CatValue2);
}
SearchExtCat = SearchExtCats.Next(SearchExtCat);
index++;
}
if (bCatMatch)
match = true;
}
else
match = true;
}
return match;
}
int ChannelNrFromEvent(const cEvent* pEvent)
{
if (!pEvent)
return -1;
LOCK_CHANNELS_READ;
const cChannel* channel = Channels->GetByChannelID(pEvent->ChannelID(), true, true);
if (!channel)
return -1;
else
return channel->Number();
}
void DelTimer(int index)
{
cString cmdbuf = cString::sprintf("DELT %d", index);
LogFile.Log(2, "delete timer %d", index);
SendViaSVDRP(cmdbuf);
gl_timerStatusMonitor->SetConflictCheckAdvised();
}
char* FixSeparators(char* buffer, char sep)
{
int l = strlen(buffer);
char *dest = buffer;
for (int i = 0; i < l; i ++) {
char c = buffer[i];
int j = i;
if (c == sep) {
for (j = i + 1; (j < l) & (buffer[j] == ' '); j++)
;
if ((j <= l) | (i + 1 < j)) {
switch (buffer[j]) {
case '\t':
i = j;
c = '\t';
break;
case 0:
i = j;
c = 0;
break;
default:
break;
}
}
}
if (c == '\t') {
for (; (j < l) & (buffer[j] == ' '); j++)
;
if (j < l && buffer[j] == sep) {
buffer[j] = '\t';
i = j - 1;
continue;
}
}
*dest++ = c;
}
*dest = 0;
return buffer;
}
cString DateTime(time_t t)
{
char buffer[32];
if (t == 0)
time(&t);
struct tm tm_r;
tm *tm = localtime_r(&t, &tm_r);
snprintf(buffer, sizeof(buffer), "%02d.%02d. %02d:%02d", tm->tm_mday, tm->tm_mon + 1, tm->tm_hour, tm->tm_min);
return buffer;
}
string NumToString(long num)
{
ostringstream os;
os << num;
return os.str();
}
int FindIgnoreCase(const string& expr, const string& query)
{
const char *p = expr.c_str();
const char *r = strcasestr(p, query.c_str());
if (!r)
return -1;
return r - p;
}
bool EqualsNoCase(const string& a, const string& b)
{
return strcasecmp(a.c_str(), b.c_str()) == 0;
}
string Strip(const string& input)
{
string str = input;
string::size_type pos = str.find_last_not_of(' ');
if(pos != string::npos) {
str.erase(pos + 1);
pos = str.find_first_not_of(' ');
if(pos != string::npos) str.erase(0, pos);
}
else str.erase(str.begin(), str.end());
return str;
}
string GetAlNum(const string& s)
{
string res;
for(unsigned int i=0; i<s.size(); i++)
if (isalnum(s[i]))
res += s[i];
return res;
}
string ReplaceAll(const string& input, const string& what, const string& with)
{
string result = input;
int pos = 0;
while((pos = FindIgnoreCase(result, what)) >= 0)
result.replace(pos, what.size(), with);
return result;
}
string EscapeString(const string& S)
{
string tmp = S;
int apostrophPos = 0;
int apostrophTempPos = 0;
while((apostrophPos = tmp.find("'", apostrophTempPos)) >= apostrophTempPos) {
tmp.replace(apostrophPos, 1, "'\"'\"'");
apostrophTempPos = apostrophPos + 5;
}
return tmp;
}
string QuoteApostroph(const string& S)
{
string tmp = S;
int apostrophPos = 0;
int apostrophTempPos = 0;
while((apostrophPos = tmp.find("\"", apostrophTempPos)) >= apostrophTempPos) {
tmp.replace(apostrophPos, 1, "\\\"");
apostrophTempPos = apostrophPos + 2;
}
return tmp;
}
string MD5(const string& input)
{
char* szInput = strdup(input.c_str());
if (!szInput) return "";
char* szRes = MD5String(szInput);
string res = szRes;
free(szRes);
return res;
}
void SetAux(cTimer* timer, string aux)
{
if (!timer) return;
string timerText = *timer->ToText();
string::size_type auxPos = string::npos;
for(int i=0; i<=7; i++) // get aux value
auxPos = timerText.find(":", auxPos == string::npos?0:auxPos+1);
if (auxPos == string::npos) return;
timerText.replace(auxPos+1, timerText.size()-auxPos+1, aux);
timer->Parse(timerText.c_str());
}
int msprintf(char **strp, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int res=vasprintf (strp, fmt, ap);
va_end (ap);
return res;
}
std::string GetCodeset()
{
// Taken from VDR's vdr.c
char *CodeSet = NULL;
if (setlocale(LC_CTYPE, ""))
CodeSet = nl_langinfo(CODESET);
else {
char *LangEnv = getenv("LANG"); // last resort in case locale stuff isn't installed
if (LangEnv) {
CodeSet = strchr(LangEnv, '.');
if (CodeSet)
CodeSet++; // skip the dot
}
}
if (CodeSet)
return std::string(CodeSet);
else
return "ISO-8859-15";
}
/* Read a line from a socket */
ssize_t Readline(int sockd, char *vptr, size_t maxlen) {
size_t n, rc;
char c, *buffer;
buffer = vptr;
for ( n = 1; n < maxlen; n++ ) {
if ( (rc = read(sockd, &c, 1)) == 1 ) {
if ( c == '\n' )
break;
*buffer++ = c;
}
else if ( rc == 0 ) {
if ( n == 1 )
return 0;
else
break;
}
else {
if ( errno == EINTR )
continue;
return -1;
}
}
*buffer = 0;
return n;
}
/* Write a line to a socket */
ssize_t Writeline(int sockd, const char *vptr, ssize_t n) {
ssize_t nleft;
ssize_t nwritten;
const char *buffer;
buffer = vptr;
nleft = n;
while ( nleft > 0 ) {
if ( (nwritten = write(sockd, buffer, nleft)) <= 0 ) {
if ( errno == EINTR )
nwritten = 0;
else
return -1;
}
nleft -= nwritten;
buffer += nwritten;
}
return n;
}
long getAddrFromString(const char* hostnameOrIp, struct sockaddr_in* addr)
{
unsigned long ip;
struct hostent * he;
if(hostnameOrIp==NULL || addr==NULL)
return -1;
ip=inet_addr(hostnameOrIp);
if(ip!=INADDR_NONE)
{
addr->sin_addr.s_addr=ip;
return 0;
}
else
{
he=gethostbyname(hostnameOrIp);
if(he==NULL)
return -1;
else
memcpy(&(addr->sin_addr),he->h_addr_list[0],4);
return 0;
}
}
char *cCommand::result = NULL;
cCommand::cCommand(void)
{
title = command = NULL;
confirm = false;
}
cCommand::~cCommand()
{
free(title);
free(command);
}
bool cCommand::Parse(const char *s)
{
const char *p = strchr(s, ':');
if (p) {
int l = p - s;
if (l > 0) {
title = MALLOC(char, l + 1);
stripspace(strn0cpy(title, s, l + 1));
if (!isempty(title)) {
int l = strlen(title);
if (l > 1 && title[l - 1] == '?') {
confirm = true;
title[l - 1] = 0;
}
command = stripspace(strdup(skipspace(p + 1)));
return !isempty(command);
}
}
}
return false;
}
const char *cCommand::Execute(const char *Parameters)
{
free(result);
result = NULL;
cString cmdbuf;
if (Parameters)
cmdbuf = cString::sprintf("%s %s", command, Parameters);
const char *cmd = *cmdbuf ? *cmdbuf : command;
dsyslog("executing command '%s'", cmd);
cPipe p;
if (p.Open(cmd, "r")) {
int l = 0;
int c;
while ((c = fgetc(p)) != EOF) {
if (l % 20 == 0)
result = (char *)realloc(result, l + 21);
result[l++] = char(c);
}
if (result)
result[l] = 0;
p.Close();
}
else
esyslog("ERROR: can't open pipe for command '%s'", cmd);
return result;
}
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