VALUE rb_digest(int argc, VALUE *argv, VALUE self) {
VALUE string, options, method = Qnil;
rb_scan_args(argc, argv, "11", &string, &options);
if (TYPE(options) == T_HASH)
method = rb_hash_aref(options, sMethod);
int algo = NIL_P(method) ? 0 : FIX2INT(method);
return SIZET2NUM(algo == 1 ? djhash(CSTRING(string)) : sdbm(CSTRING(string)));
}
/**
* Gets a string from a unique string space.
*
* @returns Pointer to the string node.
* @returns NULL if the string was not found in the string space.
* @param pStrSpace The space to insert it into.
* @param pszString The string to get.
*/
RTDECL(PRTSTRSPACECORE) RTStrSpaceGet(PRTSTRSPACE pStrSpace, const char *pszString)
{
size_t cchString;
KAVLKEY Key = sdbm(pszString, &cchString);
PRTSTRSPACECORE pCur = KAVL_FN(Get)(pStrSpace, Key);
if (!pCur)
return NULL;
/* Linear search. */
for (; pCur; pCur = pCur->pList)
if ( pCur->cchString == cchString
&& !memcmp(pCur->pszString, pszString, cchString))
return pCur;
return NULL;
}
/**
* Inserts a string into a unique string space.
*
* @returns true on success.
* @returns false if the string collided with an existing string.
* @param pStrSpace The space to insert it into.
* @param pStr The string node.
*/
RTDECL(bool) RTStrSpaceInsert(PRTSTRSPACE pStrSpace, PRTSTRSPACECORE pStr)
{
pStr->Key = sdbm(pStr->pszString, &pStr->cchString);
PRTSTRSPACECORE pMatch = KAVL_FN(Get)(pStrSpace, pStr->Key);
if (!pMatch)
return KAVL_FN(Insert)(pStrSpace, pStr);
/* Check for clashes. */
for (PRTSTRSPACECORE pCur = pMatch; pCur; pCur = pCur->pList)
if ( pCur->cchString == pStr->cchString
&& !memcmp(pCur->pszString, pStr->pszString, pStr->cchString))
return false;
pStr->pList = pMatch->pList;
pMatch->pList = pStr;
return true;
}
/**
* Adds a dependency.
*
* @returns Pointer to the allocated dependency.
* @param pszFilename The filename. Does not need to be terminated.
* @param cchFilename The length of the filename.
*/
PDEP depAdd(const char *pszFilename, size_t cchFilename)
{
unsigned uHash = sdbm(pszFilename, cchFilename);
PDEP pDep;
PDEP pDepPrev;
/*
* Check if we've already got this one.
*/
pDepPrev = NULL;
for (pDep = g_pDeps; pDep; pDepPrev = pDep, pDep = pDep->pNext)
if ( pDep->uHash == uHash
&& pDep->cchFilename == cchFilename
&& !memcmp(pDep->szFilename, pszFilename, cchFilename))
return pDep;
/*
* Add it.
*/
pDep = (PDEP)malloc(sizeof(*pDep) + cchFilename);
if (!pDep)
{
fprintf(stderr, "\nOut of memory! (requested %lx bytes)\n\n",
(unsigned long)(sizeof(*pDep) + cchFilename));
exit(1);
}
pDep->cchFilename = cchFilename;
memcpy(pDep->szFilename, pszFilename, cchFilename);
pDep->szFilename[cchFilename] = '\0';
pDep->uHash = uHash;
if (pDepPrev)
{
pDep->pNext = pDepPrev->pNext;
pDepPrev->pNext = pDep;
}
else
{
pDep->pNext = g_pDeps;
g_pDeps = pDep;
}
return pDep;
}
VALUE rb_base64(int argc, VALUE *argv, VALUE self) {
VALUE string, options, method = Qnil;
rb_scan_args(argc, argv, "11", &string, &options);
if (TYPE(options) == T_HASH)
method = rb_hash_aref(options, sMethod);
int algo = NIL_P(method) ? 0 : FIX2INT(method);
char buffer[12];
uint64_t idx = 0, n, digest = (algo == 1 ? djhash(CSTRING(string)) : sdbm(CSTRING(string)));
while (digest > 0) {
n = digest >> 6;
buffer[idx++] = digestlookup[digest - (n << 6)];
digest = n;
}
return rb_str_new(buffer, idx);
}
/**
* Removes a string from a unique string space.
*
* @returns Pointer to the removed string node.
* @returns NULL if the string was not found in the string space.
* @param pStrSpace The space to insert it into.
* @param pszString The string to remove.
*/
RTDECL(PRTSTRSPACECORE) RTStrSpaceRemove(PRTSTRSPACE pStrSpace, const char *pszString)
{
size_t cchString;
KAVLKEY Key = sdbm(pszString, &cchString);
PRTSTRSPACECORE pCur = KAVL_FN(Get)(pStrSpace, Key);
if (!pCur)
return NULL;
/* find the right one. */
PRTSTRSPACECORE pPrev = NULL;
for (; pCur; pPrev = pCur, pCur = pCur->pList)
if ( pCur->cchString == cchString
&& !memcmp(pCur->pszString, pszString, cchString))
break;
if (pCur)
{
if (pPrev)
/* simple, it's in the linked list. */
pPrev->pList = pCur->pList;
else
{
/* in the tree. remove and reinsert list head. */
PRTSTRSPACECORE pInsert = pCur->pList;
pCur->pList = NULL;
pCur = KAVL_FN(Remove)(pStrSpace, Key);
Assert(pCur);
if (pInsert)
{
PRTSTRSPACECORE pList = pInsert->pList;
bool fRc = KAVL_FN(Insert)(pStrSpace, pInsert);
Assert(fRc); NOREF(fRc);
pInsert->pList = pList;
}
}
}
return pCur;
}
/* wrapper */
int get_key(char* str) {
unsigned long k;
k = sdbm( str ) % 10000;
return k;
};
int main(int argc, char *argv[])
{
FILE *bron;
char **lexicon;
unsigned long *freqs;
unsigned long *hash;
char word[1024];
char capword[1024];
char witheword[1024];
char closestword[MAXNRCLOSEST+1][1024];
int closest[MAXNRCLOSEST+1];
unsigned long closestfreq[MAXNRCLOSEST+1];
unsigned long thishash;
int i,j,k,l,thislev,nrlex=0,nrclosest=0,readnr,wordlen,lexlen;
FILE *context;
unsigned long freqthres=MINFREQTHRESHOLD;
char inlex,withe,cap,inflection;
float current_confidence;
float highest_confidence;
/* allocate lexicon */
lexicon=malloc(sizeof(char*));
freqs=malloc(sizeof(unsigned long));
hash=malloc(sizeof(unsigned long));
/* read lexicon */
nrlex=0;
bron=fopen(argv[1],"r");
while (!feof(bron))
{
fscanf(bron,"%d %s ",
&readnr,word);
lexicon[nrlex]=malloc((strlen(word)+1)*sizeof(char));
strcpy(lexicon[nrlex],word);
freqs[nrlex]=readnr;
hash[nrlex]=sdbm(word);
nrlex++;
lexicon=realloc(lexicon,(nrlex+1)*sizeof(char*));
freqs=realloc(freqs,(nrlex+1)*sizeof(unsigned long));
hash=realloc(hash,(nrlex+1)*sizeof(unsigned long));
}
fclose(bron);
if (DEBUG2)
fprintf(stderr,"read %d words from lexicon\n",
nrlex);
context=fopen(argv[2],"r");
while (!feof(context))
{
fscanf(context,"%s ",word);
withe=0;
if (word[strlen(word)-1]=='e')
{
strcpy(witheword,"");
for (i=0; i<strlen(word)-1; i++)
{
strcat(witheword," ");
witheword[i]=word[i];
}
withe=1;
}
cap=0;
strcpy(capword,word);
if ((word[0]>='A')&&
(word[0]<='Z'))
{
capword[0]+=32;
cap=1;
}
nrclosest=0;
wordlen=strlen(word);
if (strcmp(word,"één")==0)
wordlen=3;
if ((wordlen>=MINLENGTH)&&
(!cap))
{
inlex=0;
thishash=sdbm(word);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if (thishash==hash[k])
{
inlex=1;
freqthres=FREQFACTOR*freqs[k];
if (DEBUG2)
fprintf(stderr,"word [%s] in lexicon, with frequency %ld, so threshold %ld\n",
word,freqs[k],freqthres);
}
}
if (!inlex)
{
// does word without e occur?
if (withe)
{
thishash=sdbm(witheword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if (thishash==hash[k])
{
inlex=1;
freqthres=FREQFACTOR*freqs[k];
}
}
}
// does lo-cap word occur?
/*
if ((!inlex)&&(cap))
{
thishash=sdbm(capword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if (thishash==hash[k])
{
inlex=1;
freqthres=FREQFACTOR*freqs[k];
}
}
}
*/
if (!inlex)
{
freqthres=MINFREQTHRESHOLD;
if (DEBUG2)
fprintf(stderr,"word [%s] not in lexicon, so threshold %d\n",
word,MINFREQTHRESHOLD);
}
}
for (k=0; ((k<nrlex)&&(freqs[k]>freqthres)); k++)
{
lexlen=strlen(lexicon[k]);
if ((lexlen>wordlen+MAXLD)||
(wordlen>lexlen+MAXLD))
thislev=MAXLD+1;
else
thislev=ld1(lexicon[k],word);
//thislev=levenshtein(lexicon[k],word);
if (((thislev<=MAXLD)&&(wordlen>LDTHRESHOLD))||
((thislev<=MEDLD)&&(wordlen<=LDTHRESHOLD)))
{
inflection=0;
// check: plural?
if ((((lexicon[k][strlen(lexicon[k])-1]=='s')&&
(word[strlen(word)-1]!='s')))||
(((lexicon[k][strlen(lexicon[k])-1]!='s')&&
(word[strlen(word)-1]=='s'))))
inflection=1;
if ((((lexicon[k][strlen(lexicon[k])-1]=='e')&&
(word[strlen(word)-1]!='e')))||
(((lexicon[k][strlen(lexicon[k])-1]!='e')&&
(word[strlen(word)-1]=='e'))))
inflection=1;
if ((((lexicon[k][strlen(lexicon[k])-1]=='n')&&
(word[strlen(word)-1]=='t')))||
(((lexicon[k][strlen(lexicon[k])-1]=='t')&&
(word[strlen(word)-1]=='n'))))
inflection=1;
if (!inflection)
{
j=0;
while ((j<nrclosest)&&
(freqs[k]<closestfreq[j]))
j++;
if (j<nrclosest)
{
// move up
for (l=nrclosest; l>j; l--)
{
strcpy(closestword[l],closestword[l-1]);
closest[l]=closest[l-1];
closestfreq[l]=closestfreq[l-1];
}
}
// insert
strcpy(closestword[j],lexicon[k]);
closest[j]=thislev;
closestfreq[j]=freqs[k];
if (nrclosest<MAXNRCLOSEST)
nrclosest++;
}
}
}
if (DEBUG2)
{
fprintf(stderr,"closest to %s:\n",
word);
for (i=0; i<nrclosest; i++)
fprintf(stderr," %2d %s\n",
i,closestword[i]);
}
}
fprintf(stdout,"%s",
word);
if (nrclosest>0)
{
for (i=0; i<nrclosest; i++)
{
fprintf(stdout," %s",
closestword[i]);
current_confidence = (1 - ((float)freqthres/(float)FREQFACTOR)/((float)closestfreq[i]/(float)FREQFACTOR));
if (current_confidence > highest_confidence)
{
highest_confidence = current_confidence;
}
}
if (DEBUG)
{
fprintf(stderr,"correction suggestions for %s: ",
word);
for (i=0; i<nrclosest; i++)
fprintf(stderr," %s",
closestword[i]);
fprintf(stderr,"\n");
}
}
if(highest_confidence > 0)
{
fprintf(stdout,"%6.3f\n",highest_confidence);
}
else
{
fprintf(stdout,"\n");
}
highest_confidence = 0;
}
fclose(context);
return 0;
}
int main(int argc, char *argv[])
{
FILE *bron,*aspell;
char **lexicon;
unsigned long *freqs;
unsigned long *hash;
char word[1024];
char capword[1024];
char commandline[1024];
char closestword[MAXNRCLOSEST+1][1024];
int closest[MAXNRCLOSEST+1];
unsigned long closestfreq[MAXNRCLOSEST+1];
unsigned long thishash;
int i,j,k,l,thislev,nrlex=0,nrclosest=0,nraspell,readnr,wordlen,lexlen;
FILE *context;
char inlex,cap,hyp,inflection,tokstatus;
char aspellline[32768];
char memline[32768];
char *part;
char aspellword[1024];
/* allocate lexicon */
lexicon=malloc(sizeof(char*));
freqs=malloc(sizeof(unsigned long));
hash=malloc(sizeof(unsigned long));
/* read lexicon */
nrlex=0;
bron=fopen(argv[1],"r");
while (!feof(bron))
{
fscanf(bron,"%d %s ",
&readnr,word);
lexicon[nrlex]=malloc((strlen(word)+1)*sizeof(char));
strcpy(lexicon[nrlex],word);
freqs[nrlex]=readnr;
hash[nrlex]=sdbm(word);
nrlex++;
lexicon=realloc(lexicon,(nrlex+1)*sizeof(char*));
freqs=realloc(freqs,(nrlex+1)*sizeof(unsigned long));
hash=realloc(hash,(nrlex+1)*sizeof(unsigned long));
}
fclose(bron);
if (DEBUG2)
fprintf(stderr,"read %d words from lexicon\n",
nrlex);
/* run aspell on input.tok.txt */
sprintf(commandline,"aspell --lang=en --pipe < %s > input.tok.aspell\n",
argv[2]);
if (DEBUG)
fprintf(stderr,"executing: %s",
commandline);
system(commandline);
context=fopen(argv[2],"r");
aspell=fopen("input.tok.aspell","r");
fgets(aspellline,32768,aspell);
while (!feof(context))
{
fscanf(context,"%s ",word);
wordlen=strlen(word);
nrclosest=0;
tokstatus=1;
if (strstr(",.!?:;\'\"(){}[]\\/|€",word))
tokstatus=0;
if (tokstatus)
if (isNumber(word))
tokstatus=0;
if (strstr(word,"http://"))
tokstatus=0;
if (strstr(word,"@"))
tokstatus=0;
if (tokstatus)
{
fgets(aspellline,32768,aspell);
strcpy(memline,aspellline);
part=strtok(aspellline," \n");
if (strcmp(part,"&")==0)
{
// read alternatives from aspellline
part=strtok(NULL," \n");
if (strcmp(part,word)==0)
{
part=strtok(NULL," \n");
sscanf(part,"%d",&nraspell);
if (DEBUG2)
fprintf(stderr,"[%s] [%d options]\n",
word,nraspell);
inlex=0;
thishash=sdbm(word);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if (thishash==hash[k])
{
inlex=1;
if (DEBUG2)
fprintf(stderr,"word [%s] in lexicon, with frequency %ld\n",
word,freqs[k]);
}
}
// read extra string (offset)
part=strtok(NULL," \n");
for (k=0; k<nraspell; k++)
{
part=strtok(NULL," \n");
strcpy(aspellword,"");
for (l=0; l<strlen(part)-1; l++)
{
strcat(aspellword," ");
aspellword[l]=part[l];
}
if (!strstr(aspellword,"-"))
{
lexlen=strlen(aspellword);
if ((lexlen>wordlen+MAXLD)||
(wordlen>lexlen+MAXLD))
thislev=MAXLD+1;
else
thislev=levenshtein(aspellword,word);
if (thislev<=MAXLD)
{
inflection=0;
// check: plural?
if ((((aspellword[strlen(aspellword)-1]=='s')&&
(word[strlen(word)-1]!='s')))||
(((aspellword[strlen(aspellword)-1]!='s')&&
(word[strlen(word)-1]=='s'))))
inflection=1;
if ((((aspellword[strlen(aspellword)-1]=='e')&&
(word[strlen(word)-1]!='e')))||
(((aspellword[strlen(aspellword)-1]!='e')&&
(word[strlen(word)-1]=='e'))))
inflection=1;
if ((((aspellword[strlen(aspellword)-1]=='n')&&
(word[strlen(word)-1]=='t')))||
(((aspellword[strlen(aspellword)-1]=='t')&&
(word[strlen(word)-1]=='n'))))
inflection=1;
if (!inflection)
{
j=0;
while ((j<nrclosest)&&
(freqs[k]<closestfreq[j]))
j++;
if (j<nrclosest)
{
// move up
for (l=nrclosest; l>j; l--)
{
strcpy(closestword[l],closestword[l-1]);
closest[l]=closest[l-1];
closestfreq[l]=closestfreq[l-1];
}
}
// insert
strcpy(closestword[j],aspellword);
closest[j]=thislev;
closestfreq[j]=freqs[k];
if (nrclosest<MAXNRCLOSEST)
nrclosest++;
}
}
}
}
if (DEBUG2)
{
fprintf(stderr,"closest to %s:\n",
word);
for (i=0; i<nrclosest; i++)
fprintf(stderr," %2d %s\n",
i,closestword[i]);
}
}
}
}
fprintf(stdout,"%s",
word);
// post-filter (too bad for all the work done before):
// don't correct capitalized words, don't correct words with
// hyphens
cap=0;
if ((word[0]>='A')&&
(word[0]<='Z'))
cap=1;
hyp=0;
if (strstr(word,"-"))
hyp=1;
if ((nrclosest>0)&&
(wordlen>=MINLENGTH)&&
(!cap)&&
(!hyp))
{
for (i=0; i<nrclosest; i++)
fprintf(stdout," %s",
closestword[i]);
if (DEBUG)
{
fprintf(stderr,"correction suggestions for %s: ",
word);
for (i=0; i<nrclosest; i++)
fprintf(stderr," %s",
closestword[i]);
fprintf(stderr,"\n");
}
fprintf(stdout," 0.6");
}
fprintf(stdout,"\n");
}
fclose(aspell);
fclose(context);
return 0;
}
unsigned int doc_hash (void *ky)
{
return sdbm((char *)ky);
}
int main(int argc, char *argv[])
{
FILE *bron;
char **lexicon;
unsigned long *freqs;
unsigned long *hash;
char word[4096];
char memword[4096];
char corword[4096];
char errword[4096];
char capword[4096];
char witheword[4096];
char line[32768];
char closestword[MAXNRCLOSEST+1][1024];
int closest[MAXNRCLOSEST+1];
unsigned long closestfreq[MAXNRCLOSEST+1];
unsigned long thishash,corhash,errhash,corfreq,errfreq;
int i,j,k,l,thislev,nrlex=0,nrclosest=0,readnr,wordlen,lexlen,counter;
FILE *context;
char *part;
unsigned long freqthres=MINFREQTHRESHOLD;
char inlex,withe,cap,inflection;
setbuf(stdout,NULL);
/* allocate lexicon */
lexicon=malloc(sizeof(char*));
freqs=malloc(sizeof(unsigned long));
hash=malloc(sizeof(unsigned long));
/* read lexicon */
nrlex=0;
bron=fopen(argv[1],"r");
readnr=999;
fgets(line,32768,bron);
while ((!feof(bron))&&
(readnr>1))
{
sscanf(line,"%d %s ",
&readnr,word);
lexicon[nrlex]=malloc((strlen(word)+1)*sizeof(char));
strcpy(lexicon[nrlex],word);
freqs[nrlex]=readnr;
hash[nrlex]=sdbm(word);
nrlex++;
lexicon=realloc(lexicon,(nrlex+1)*sizeof(char*));
freqs=realloc(freqs,(nrlex+1)*sizeof(unsigned long));
hash=realloc(hash,(nrlex+1)*sizeof(unsigned long));
fgets(line,32768,bron);
}
fclose(bron);
if (DEBUG2)
fprintf(stderr,"read %d words from lexicon\n",
nrlex);
context=fopen(argv[2],"r");
counter=0;
while (!feof(context))
{
fscanf(context,"%s ",word);
strcpy(memword,word);
part=strtok(word,"~");
strcpy(corword,part);
part=strtok(NULL,"~");
strcpy(errword,part);
corhash=sdbm(corword);
errhash=sdbm(errword);
corfreq=errfreq=0;
for (k=0; k<nrlex; k++)
{
if (corhash==hash[k])
corfreq=freqs[k];
if (errhash==hash[k])
errfreq=freqs[k];
}
if (((errfreq*5)>corfreq)&&
(corfreq>0))
fprintf(stderr,"corword: [%s]-[%ld], errword: [%s]-[%ld]\n",
corword,corfreq,errword,errfreq);
else
fprintf(stdout,"%s\n",
memword);
counter++;
if (counter%1000==0)
fprintf(stderr,"processed %d word-error pairs\n",
counter);
}
fclose(context);
return 0;
}
int main(int argc, char *argv[])
{
FILE *bron,*context;
char *part;
char **errors;
char **corrections;
unsigned long *hash;
char word[1024];
char line[32768];
unsigned long thishash;
int i,nrpairs=0;
/* allocate error-correction pair list */
errors=malloc(sizeof(char*));
corrections=malloc(sizeof(char*));
hash=malloc(sizeof(unsigned long));
/* read error-correction pair list */
nrpairs=0;
bron=fopen(argv[1],"r");
fgets(line,32768,bron);
while (!feof(bron))
{
part=strtok(line,"~\n");
strcpy(word,part);
corrections[nrpairs]=malloc((strlen(word)+1)*sizeof(char));
strcpy(corrections[nrpairs],word);
part=strtok(NULL,"~\n");
strcpy(word,part);
errors[nrpairs]=malloc((strlen(word)+1)*sizeof(char));
strcpy(errors[nrpairs],word);
hash[nrpairs]=sdbm(word);
nrpairs++;
corrections=realloc(corrections,(nrpairs+1)*sizeof(char*));
errors=realloc(errors,(nrpairs+1)*sizeof(char*));
hash=realloc(hash,(nrpairs+1)*sizeof(unsigned long));
fgets(line,32768,bron);
}
fclose(bron);
if (DEBUG)
fprintf(stderr,"read %d words from lexicon\n",
nrpairs);
context=fopen(argv[2],"r");
while (!feof(context))
{
fscanf(context,"%s ",word);
thishash=sdbm(word);
fprintf(stdout,"%s",
word);
for (i=0; i<nrpairs; i++)
{
if (thishash==hash[i])
{
if (DEBUG)
fprintf(stderr,"found correction [%s] for presumed error [%s]\n",
corrections[i],word);
fprintf(stdout," %s",
corrections[i]);
}
}
fprintf(stdout,"\n");
}
fclose(context);
return 0;
}
int main(int argc, char * argv[])
{
/*
* Before starting main application, need to set 'QT_X11_NO_MITSHM=1'
* to make the runtime work with IBM PPC machine.
*/
#if defined (Q_OS_LINUX)
QByteArray val("1");
qputenv("QT_X11_NO_MITSHM", val);
#endif
// Create the QT application
QApplication app(argc, argv);
app.setQuitOnLastWindowClosed(false);
// Setup the settings management
QCoreApplication::setOrganizationName("pgadmin");
QCoreApplication::setOrganizationDomain("pgadmin.org");
QCoreApplication::setApplicationName(PGA_APP_NAME.toLower().replace(" ", ""));
#if QT_VERSION >= 0x050000
// Set high DPI pixmap to display icons clear on Qt widget.
QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
// Create a hash of the executable path so we can run copies side-by-side
QString homeDir = QDir::homePath();
unsigned long exeHash = sdbm((unsigned char *)argv[0]);
// Create the address file, that will be used to store the appserver URL for this instance
addrFileName = homeDir + (QString("/.%1.%2.addr").arg(PGA_APP_NAME).arg(exeHash)).remove(" ");
QFile addrFile(addrFileName);
// Create a system-wide semaphore keyed by app name, exe hash and the username
// to ensure instances are unique to the user and path
QString userName = qgetenv("USER"); // *nix
if (userName.isEmpty())
userName = qgetenv("USERNAME"); // Windows
QString semaName = QString("%1-%2-%3-sema").arg(PGA_APP_NAME).arg(userName).arg(exeHash);
QString shmemName = QString("%1-%2-%3-shmem").arg(PGA_APP_NAME).arg(userName).arg(exeHash);
QSystemSemaphore sema(semaName, 1);
sema.acquire();
#ifndef Q_OS_WIN32
// We may need to clean up stale shmem segments on *nix. Attaching and detaching
// should remove the segment if it is orphaned.
QSharedMemory stale_shmem(shmemName);
if (stale_shmem.attach())
stale_shmem.detach();
#endif
QSharedMemory shmem(shmemName);
bool is_running;
if (shmem.attach())
{
is_running = true;
}
else
{
shmem.create(1);
is_running = false;
}
sema.release();
QSettings settings;
if (is_running){
addrFile.open(QIODevice::ReadOnly | QIODevice::Text);
QTextStream in(&addrFile);
QString addr = in.readLine();
QString cmd = settings.value("BrowserCommand").toString();
if (!cmd.isEmpty())
{
cmd.replace("%URL%", addr);
QProcess::startDetached(cmd);
}
else
{
if (!QDesktopServices::openUrl(addr))
{
QString error(QWidget::tr("Failed to open the system default web browser. Is one installed?."));
QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
exit(1);
}
}
return 0;
}
atexit(cleanup);
// In windows and linux, it is required to set application level proxy
// because socket bind logic to find free port gives socket creation error
// when system proxy is configured. We are also setting
// "setUseSystemConfiguration"=true to use the system proxy which will
// override this application level proxy. As this bug is fixed in Qt 5.9 so
// need to set application proxy for Qt version < 5.9.
//
#if defined (Q_OS_WIN) && QT_VERSION <= 0x050800
// Give dummy URL required to find proxy server configured in windows.
QNetworkProxyQuery proxyQuery(QUrl("https://www.pgadmin.org"));
QNetworkProxy l_proxy;
QList<QNetworkProxy> listOfProxies = QNetworkProxyFactory::systemProxyForQuery(proxyQuery);
if (listOfProxies.size())
{
l_proxy = listOfProxies[0];
// If host name is not empty means proxy server is configured.
if (!l_proxy.hostName().isEmpty()) {
QNetworkProxy::setApplicationProxy(QNetworkProxy());
}
}
#endif
#if defined (Q_OS_LINUX) && QT_VERSION <= 0x050800
QByteArray proxy_env;
proxy_env = qgetenv("http_proxy");
// If http_proxy environment is defined in linux then proxy server is configured.
if (!proxy_env.isEmpty()) {
QNetworkProxy::setApplicationProxy(QNetworkProxy());
}
#endif
// Display the spash screen
QSplashScreen *splash = new QSplashScreen();
splash->setPixmap(QPixmap(":/splash.png"));
splash->show();
app.processEvents(QEventLoop::AllEvents);
quint16 port = 0L;
// Find an unused port number. Essentially, we're just reserving one
// here that Flask will use when we start up the server.
// In order to use the socket, we need to free this socket ASAP.
// Hence - putting this code in a code block so the scope of the socket
// variable vanishes to make that socket available.
{
#if QT_VERSION >= 0x050000
QTcpSocket socket;
#if QT_VERSION >= 0x050900
socket.setProxy(QNetworkProxy::NoProxy);
#endif
socket.bind(0, QTcpSocket::ShareAddress);
#else
QUdpSocket socket;
socket.bind(0, QUdpSocket::ShareAddress);
#endif
port = socket.localPort();
}
// Generate a random key to authenticate the client to the server
QString key = QUuid::createUuid().toString();
key = key.mid(1, key.length() - 2);
// Generate the filename for the log
logFileName = homeDir + (QString("/.%1.%2.log").arg(PGA_APP_NAME).arg(exeHash)).remove(" ");
// Start the tray service
TrayIcon *trayicon = new TrayIcon(logFileName);
if (!trayicon->Init())
{
QString error = QString(QWidget::tr("An error occurred initialising the tray icon"));
QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
exit(1);
}
// Fire up the webserver
Server *server;
bool done = false;
while (done != true)
{
server = new Server(port, key, logFileName);
if (!server->Init())
{
splash->finish(NULL);
qDebug() << server->getError();
QString error = QString(QWidget::tr("An error occurred initialising the application server:\n\n%1")).arg(server->getError());
QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
exit(1);
}
server->start();
// This is a hack to give the server a chance to start and potentially fail. As
// the Python interpreter is a synchronous call, we can't check for proper startup
// easily in a more robust way - we have to rely on a clean startup not returning.
// It should always fail pretty quickly, and take longer to start if it succeeds, so
// we don't really get a visible delay here.
delay(1000);
// Any errors?
if (server->isFinished() || server->getError().length() > 0)
{
splash->finish(NULL);
qDebug() << server->getError();
QString error = QString(QWidget::tr("An error occurred initialising the application server:\n\n%1")).arg(server->getError());
QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
// Allow the user to tweak the Python Path if needed
bool ok;
ConfigWindow *dlg = new ConfigWindow();
dlg->setWindowTitle(QWidget::tr("Configuration"));
dlg->setBrowserCommand(settings.value("BrowserCommand").toString());
dlg->setPythonPath(settings.value("PythonPath").toString());
dlg->setApplicationPath(settings.value("ApplicationPath").toString());
dlg->setModal(true);
ok = dlg->exec();
QString browsercommand = dlg->getBrowserCommand();
QString pythonpath = dlg->getPythonPath();
QString applicationpath = dlg->getApplicationPath();
if (ok)
{
settings.setValue("BrowserCommand", browsercommand);
settings.setValue("PythonPath", pythonpath);
settings.setValue("ApplicationPath", applicationpath);
settings.sync();
}
else
{
exit(1);
}
delete server;
}
else
done = true;
}
// Ensure the server gets cleaned up later
QObject::connect(server, SIGNAL(finished()), server, SLOT(deleteLater()));
// Generate the app server URL
QString appServerUrl = QString("http://127.0.0.1:%1/?key=%2").arg(port).arg(key);
// Read the server connection timeout from the registry or set the default timeout.
int timeout = settings.value("ConnectionTimeout", 30).toInt();
// Now the server should be up, we'll attempt to connect and get a response.
// We'll retry in a loop a few time before aborting if necessary.
QTime endTime = QTime::currentTime().addSecs(timeout);
bool alive = false;
while(QTime::currentTime() <= endTime)
{
alive = PingServer(QUrl(appServerUrl));
if (alive)
{
break;
}
delay(200);
}
// Attempt to connect one more time in case of a long network timeout while looping
if (!alive && !PingServer(QUrl(appServerUrl)))
{
splash->finish(NULL);
QString error(QWidget::tr("The application server could not be contacted."));
QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
exit(1);
}
// Stash the URL for any duplicate processes to open
if (addrFile.open(QIODevice::WriteOnly))
{
addrFile.setPermissions(QFile::ReadOwner|QFile::WriteOwner);
QTextStream out(&addrFile);
out << appServerUrl << endl;
}
// Go!
trayicon->setAppServerUrl(appServerUrl);
// Enable the shutdown server menu as server started successfully.
trayicon->enableShutdownMenu();
QString cmd = settings.value("BrowserCommand").toString();
if (!cmd.isEmpty())
{
cmd.replace("%URL%", appServerUrl);
QProcess::startDetached(cmd);
}
else
{
if (!QDesktopServices::openUrl(appServerUrl))
{
QString error(QWidget::tr("Failed to open the system default web browser. Is one installed?."));
QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
exit(1);
}
}
QObject::connect(trayicon, SIGNAL(shutdownSignal(QUrl)), server, SLOT(shutdown(QUrl)));
splash->finish(NULL);
return app.exec();
}
int main(int argc, char *argv[])
{
FILE *bron;
char **lexicon;
unsigned long *freqs;
unsigned long *hash;
char word[1024];
char altword[1024];
char thealtword[1024];
unsigned long thishash;
int i,k,nrlex=0,readnr,wordlen;
FILE *context;
char inlex,altsound;
/* allocate lexicon */
lexicon=malloc(sizeof(char*));
freqs=malloc(sizeof(unsigned long));
hash=malloc(sizeof(unsigned long));
/* read lexicon */
nrlex=0;
bron=fopen(argv[1],"r");
while (!feof(bron))
{
fscanf(bron,"%d %s ",
&readnr,word);
lexicon[nrlex]=malloc((strlen(word)+1)*sizeof(char));
strcpy(lexicon[nrlex],word);
freqs[nrlex]=readnr;
hash[nrlex]=sdbm(word);
nrlex++;
lexicon=realloc(lexicon,(nrlex+1)*sizeof(char*));
freqs=realloc(freqs,(nrlex+1)*sizeof(unsigned long));
hash=realloc(hash,(nrlex+1)*sizeof(unsigned long));
}
fclose(bron);
if (DEBUG2)
fprintf(stderr,"read %d words from lexicon\n",
nrlex);
context=fopen(argv[2],"r");
while (!feof(context))
{
fscanf(context,"%s ",word);
wordlen=strlen(word);
// is there an obvious soundalike alternative?
altsound=0;
if (strlen(word)>=MINLENGTH)
if ((strstr(word,"ei"))||
(strstr(word,"ij"))||
(strstr(word,"au"))||
(strstr(word,"ou"))||
(strstr(word,"g"))||
(strstr(word,"ch"))||
(strstr(word,"ks"))||
(strstr(word,"x")))
altsound=1;
if (altsound)
{
inlex=0;
thishash=sdbm(word);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if (thishash==hash[k])
{
inlex=1;
if (DEBUG3)
fprintf(stderr,"word [%s] in lexicon, with frequency %ld\n",
word,freqs[k]);
}
}
// if the word itself does not exist, let's look for a soundalike
if (!inlex)
{
if (strstr(word,"ei"))
{
strcpy(altword,word);
i=0;
while ((i<strlen(word))&&
!((word[i]=='e')&&
(word[i+1]=='i')))
i++;
if (i<strlen(word))
{
altword[i]='i';
altword[i+1]='j';
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"ij"))
{
strcpy(altword,word);
i=0;
while ((i<strlen(word))&&
!((word[i]=='i')&&
(word[i+1]=='j')))
i++;
if (i<strlen(word))
{
altword[i]='e';
altword[i+1]='i';
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"au"))
{
strcpy(altword,word);
i=0;
while ((i<strlen(word))&&
!((word[i]=='a')&&
(word[i+1]=='u')))
i++;
if (i<strlen(word))
{
altword[i]='o';
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"ou"))
{
strcpy(altword,word);
i=0;
while ((i<strlen(word))&&
!((word[i]=='o')&&
(word[i+1]=='u')))
i++;
if (i<strlen(word))
{
altword[i]='a';
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"g"))
{
strcpy(altword,"");
for (i=0; i<strlen(word); i++)
{
if (word[i]=='g')
strcat(altword,"ch");
else
{
strcat(altword," ");
altword[strlen(altword)-1]=word[i];
}
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"ch"))
{
strcpy(altword,"");
for (i=0; i<strlen(word); i++)
{
if ((word[i]=='c')&&
(word[i+1]=='h'))
{
strcat(altword,"g");
i++;
}
else
{
strcat(altword," ");
altword[strlen(altword)-1]=word[i];
}
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"x"))
{
strcpy(altword,"");
for (i=0; i<strlen(word); i++)
{
if (word[i]=='x')
strcat(altword,"ks");
else
{
strcat(altword," ");
altword[strlen(altword)-1]=word[i];
}
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (strstr(word,"ks"))
{
strcpy(altword,"");
for (i=0; i<strlen(word); i++)
{
if ((word[i]=='k')&&
(word[i+1]=='s'))
{
strcat(altword,"x");
i++;
}
else
{
strcat(altword," ");
altword[strlen(altword)-1]=word[i];
}
}
// does altword occur?
if (DEBUG2)
fprintf(stderr,"checking if soundalike word %s exists\n",
altword);
thishash=sdbm(altword);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if ((thishash==hash[k])&&
(freqs[k]>MINFREQTHRESHOLD))
{
inlex=1;
strcpy(thealtword,altword);
if (DEBUG2)
fprintf(stderr,"found soundalike word in lexicon: %s\n",
thealtword);
}
}
}
if (!inlex)
altsound=0;
}
else
altsound=0;
}
fprintf(stdout,"%s",
word);
if ((altsound)&&
(strlen(thealtword)>0))
{
fprintf(stdout," %s",
thealtword);
if (DEBUG)
{
fprintf(stderr,"soundalike for [%s]: [%s]\n",
word,thealtword);
}
}
fprintf(stdout,"\n");
}
fclose(context);
return 0;
}
int main(int argc, char *argv[])
{
FILE *bron;
char **lexicon;
unsigned long *freqs;
unsigned long *hash;
unsigned long thishash;
char word[1024];
char left[1024];
char right[1024];
float leftfraction,rightfraction;
char checklist[MAXNRCHECK][1024];
int i,j,k,nrlex=0,leftpart,rightpart,readnr,nrcheck;
unsigned long curfreq,leftfreq,rightfreq;
FILE *context;
char inlex,inlist,leftinlex,rightinlex,runon;
/* allocate lexicon */
lexicon=malloc(sizeof(char*));
freqs=malloc(sizeof(unsigned long));
hash=malloc(sizeof(unsigned long));
/* read lexicon */
nrlex=0;
bron=fopen(argv[1],"r");
while (!feof(bron))
{
fscanf(bron,"%d %s ",
&readnr,word);
lexicon[nrlex]=malloc((strlen(word)+1)*sizeof(char));
strcpy(lexicon[nrlex],word);
freqs[nrlex]=readnr;
hash[nrlex]=sdbm(word);
nrlex++;
lexicon=realloc(lexicon,(nrlex+1)*sizeof(char*));
freqs=realloc(freqs,(nrlex+1)*sizeof(unsigned long));
hash=realloc(hash,(nrlex+1)*sizeof(unsigned long));
}
fclose(bron);
if (DEBUG2)
fprintf(stderr,"read %d words from lexicon\n",
nrlex);
/* reading exception list */
bron=fopen(argv[2],"r");
nrcheck=0;
while ((!feof(bron))&&
(nrcheck<MAXNRCHECK))
{
fscanf(bron,"%s ",
checklist[nrcheck]);
nrcheck++;
}
fclose(bron);
context=fopen(argv[3],"r");
while (!feof(context))
{
fscanf(context,"%s ",word);
inlist=0;
for (k=0; ((k<nrcheck)&&(!inlist)); k++)
{
if (strcmp(word,checklist[k])==0)
inlist=1;
}
runon=0;
if ((!inlist)&&
(strlen(word)>=(2*MINLEN)))
{
curfreq=0;
inlex=0;
thishash=sdbm(word);
for (k=0; ((k<nrlex)&&(!inlex)); k++)
{
if (thishash==hash[k])
{
curfreq=freqs[k];
inlex=1;
}
}
if (!inlex)
{
for (i=MINLEN; ((!runon)&&(i<(strlen(word)-MINLEN))); i++)
{
strcpy(left,"");
for (j=0; j<i; j++)
{
strcat(left," ");
left[j]=word[j];
}
strcpy(right,"");
for (j=i; j<strlen(word); j++)
{
strcat(right," ");
right[strlen(right)-1]=word[j];
}
leftfreq=0;
leftinlex=0;
thishash=sdbm(left);
for (k=0; ((k<nrlex)&&(!leftinlex)); k++)
{
if (thishash==hash[k])
{
leftfreq=freqs[k];
leftinlex=1;
}
if (strstr(left,lexicon[k]))
if (strlen(lexicon[k])+MINLEN>=strlen(left))
leftpart++;
}
if (leftinlex)
{
rightfreq=0;
rightinlex=0;
thishash=sdbm(right);
for (k=0; ((k<nrlex)&&(!rightinlex)); k++)
{
if (thishash==hash[k])
{
rightfreq=freqs[k];
rightinlex=1;
}
}
if (rightinlex)
{
leftpart=0;
for (k=0; k<nrlex; k++)
{
if (strstr(lexicon[k],left))
if (strlen(lexicon[k])-MINLEN>=strlen(left))
{
leftpart++;
}
}
rightpart=0;
for (k=0; k<nrlex; k++)
{
if (strstr(lexicon[k],right))
if (strlen(lexicon[k])-MINLEN>=strlen(right))
{
rightpart++;
}
}
if (leftpart>0)
leftfraction=leftfreq/(1.*leftpart);
else
leftfraction=0.0;
if (rightpart>0)
rightfraction=rightfreq/(1.*rightpart);
else
rightfraction=0.0;
if (DEBUG2)
{
fprintf(stderr,"[%s] is %d times part of a larger word, fraction 1 in %.0f\n",
left,leftpart,leftfraction);
fprintf(stderr,"[%s] is %d times part of a larger word, fraction 1 in %.0f\n",
right,rightpart,rightfraction);
}
if ((leftfraction>THRESHOLD)&&(rightfraction>THRESHOLD))
{
if (DEBUG)
fprintf(stderr,"split run-on [%s] (freq %ld) into [%s] (freq %ld) [%s] (freq %ld)\n",
word,curfreq,left,leftfreq,right,rightfreq);
runon=1;
}
}
}
}
}
}
fprintf(stdout,"%s",
word);
if (runon)
{
fprintf(stdout," %s %s%6.3f",
left,right, (1- (1 / (((leftfraction+rightfraction)/2)/THRESHOLD))));
}
fprintf(stdout,"\n");
}
fclose(context);
return 0;
}
