Diffstat (limited to 'noncore/apps/opie-reader/BuffDoc.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/apps/opie-reader/BuffDoc.cpp | 428 |
1 files changed, 363 insertions, 65 deletions
diff --git a/noncore/apps/opie-reader/BuffDoc.cpp b/noncore/apps/opie-reader/BuffDoc.cpp index 68391b8..22934f9 100644 --- a/noncore/apps/opie-reader/BuffDoc.cpp +++ b/noncore/apps/opie-reader/BuffDoc.cpp @@ -1,26 +1,43 @@ +#include "static.h" +#include "names.h" #define NEWLINEBREAK +#define INCREMENTALWIDTH +#include "useqpe.h" +#include "usenef.h" #include "BuffDoc.h" -//#include <FL/fl_draw.h> +#include "config.h" +#include "CDrawBuffer.h" +#include "ZText.h" +#include "ebookcodec.h" + +#ifdef __STATIC +#include "Aportis.h" +#include "CHM.h" +#include "ppm_expander.h" +#include "ztxt.h" #include "plucker.h" #ifdef USENEF #include "nef.h" #include "arrierego.h" #endif +#include "iSilo.h" +#endif + -linkType BuffDoc::hyperlink(unsigned int n, QString& wrd) +linkType BuffDoc::hyperlink(unsigned int n, unsigned int noff, QString& wrd, QString& nm) { linkType bRet = eNone; if (exp != NULL) { - bRet = exp->hyperlink(n, wrd); - if (bRet == eLink) + bRet = filt->hyperlink(n, noff, wrd, nm); + if ((bRet & eLink) != 0) { lastword.empty(); lastsizes[0] = laststartline = n; #ifdef NEWLINEBREAK - lastispara = true; + lastispara = false; #else lastispara = false; #endif @@ -32,25 +49,107 @@ linkType BuffDoc::hyperlink(unsigned int n, QString& wrd) void BuffDoc::locate(unsigned int n) { - // //odebug << "BuffDoc:locating:" << n << "" << oendl; + // //qDebug("BuffDoc:locating:%u",n); lastword.empty(); lastsizes[0] = laststartline = n; #ifdef NEWLINEBREAK - lastispara = true; + lastispara = false; #else lastispara = false; #endif // tchar linebuf[1024]; - if (exp != NULL) exp->locate(n); - // //odebug << "BuffDoc:Located" << oendl; + if (exp != NULL) filt->locate(n); + // //qDebug("BuffDoc:Located"); +} + +static bool isletter(unsigned short c) +{ + if ('a' <= c && c <= 'z') return true; + if ('A' <= c && c <= 'Z') return true; + // Cyrillic letters + if (0x400 <= c && c <= 0x52F) return true; + return false; +} + +static bool isvowel(unsigned short c) // Only want lower case vowels +{ + switch (c) + { + case 'a': + case 'e': + case 'i': + case 'o': + case 'u': + // Cyrillic vowels + case 0x430: + case 0x435: + case 0x438: + case 0x43E: + case 0x443: + case 0x44B: + case 0x44D: + case 0x44E: + case 0x44F: + case 0x451: + + case 0x450: + case 0x454: + case 0x456: + case 0x457: + case 0x45D: + + case 0x463: + + case 0x4AF: + case 0x4B1: + case 0x4D1: + case 0x4D3: + + case 0x4D5: + case 0x4D7: + case 0x4E3: + case 0x4E5: + case 0x4E7: + case 0x4E9: + case 0x4EB: + case 0x4ED: + case 0x4EF: + case 0x4F1: + case 0x4F3: + case 0x4F9: + return true; + default: + return ((0xe0 <= c) && (c <= 0xfc) && (c != 0xf1) && (c != 0xf7) && (c != 0xe7)); + } +} + +inline bool isconsonant(unsigned short c) +{ + switch( c ) + { + // Some cyrillic letters are neither vowels, nor consonants, or otherwise + // the letters no word can start from. + case 0x439: + case 0x44A: + case 0x44C: + + case 0x45E: + + return false; + + default: + return (isletter(c) && !isvowel(c)); + } + return (isletter(c) && !isvowel(c)); } #ifdef NEWLINEBREAK -bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) +bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned short _lborder, unsigned short _rborder, bool hyphenate, int availht) { bool moreleft = true; bool margindone = false; - int w = wth-2*_border; + int isCentred = -1; + int w = wth-(_lborder+_rborder); tchar ch = 32; CStyle cs; buff->empty(); @@ -63,6 +162,10 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) int len = 0; if (lastword.length() > 0) { + if (isCentred < 0) + { + isCentred = (lastword.firststyle().getJustify() == m_AlignCentre) ? 1 : 0; + } *buff = lastword; cs = lastword.laststyle(); w -= buff->leftMargin() + buff->rightMargin(); @@ -71,19 +174,24 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) } else buff->empty(); lastword.empty(); - unsigned int slen = buff->width(len); + unsigned int slen = buff->width(availht, len); if (lastispara) buff->setstartpara(); + int nospaces = 0; while (1) { - lastsizes[len] = exp->locate(); - getch(ch, cs); + getch(ch, cs, lastsizes[len]); + if (isCentred < 0) + { + isCentred = (cs.getJustify() == m_AlignCentre) ? 1 : 0; + } if (ch == 10 && len == 0 && !lastispara) { - lastsizes[len] = exp->locate(); - getch(ch, cs); + getch(ch, cs, lastsizes[len]); + buff->setstartpara(); } if (ch == UEOF) { + buff->setendpara(cs); if (len == 0) { buff->setEof(); @@ -94,20 +202,36 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) } if (ch == 10) { - buff->setendpara(); + buff->setendpara(cs); + lastispara = true; + laststartline = exp->locate(); + break; + } + if (ch == 6) + { + buff->setendpara(cs); + buff->setBop(); lastispara = true; laststartline = exp->locate(); break; } lastispara = false; buff->addch(ch, cs); + if (ch == ' ') + { + nospaces++; + } len++; if (!margindone) { w -= buff->leftMargin() + buff->rightMargin(); margindone = true; } - if ((slen = buff->width(len)) > w) +#ifdef INCREMENTALWIDTH + if ((slen += buff->charwidth(len-1, cs)) > w) +#else + if ((slen = buff->width(availht, len)) > w) +#endif { if (ch == ' ' || len == 1) { @@ -117,30 +241,149 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) } else // should do a backward search for spaces, first. { + int lastk = len-4; for (int i = len-2; i > 0; i--) { - if ((*buff)[i] == ' ') + if ( + (((*buff)[i] == 0x2014) && isletter((*buff)[i+1])) + || + ((*buff)[i] == '-') + // ((*buff)[i] == '-' && !(((*buff)[i-1] == '-') || ((*buff)[i+1] == '-'))) +) { (*buff)[len] = 0; lastword.setright(*buff, i+1); - buff->truncate(i); - (*buff)[i] = '\0'; + buff->truncate(i+1); + (*buff)[i+1] = '\0'; laststartline = lastsizes[i+1]; - buff->resize(); + // buff->resize(); for (int j = 0; j < lastword.length(); j++) { lastsizes[j] = lastsizes[j+i+1]; } return true; } - if ((*buff)[i] == '-' && !(((*buff)[i-1] == '-') || ((*buff)[i+1] == '-'))) + + //if (hyphenate && (m_hyphenthreshold+1)*i < m_hyphenthreshold*len) + // We end up with i+1 characters instead of len-1 + // Thus we are removing len - 1 - (i + 1) = len-i-2 + // The space characters will be stretched to cover + // nospaces to nospaces + len - i - 2 + // The stretch factor is hence + // (nospaces+len-i-2)/nospaces + if (hyphenate && !isCentred && ( 100*(nospaces+len-i-2) > (100+m_hyphenthreshold)*nospaces )) + { + /* + if (m_customhyphen) + { + for (int k = lastk; k >= i && k >= 2; k--) + { + if ( + isletter((*buff)[k+3]) + && + isletter((*buff)[k+2]) + && + isvowel((*buff)[k+1]) + && + isconsonant((*buff)[k]) + && + isletter((*buff)[k-1]) + && + isletter((*buff)[k-2]) + ) + { + (*buff)[len] = 0; + lastword.setright(*buff, k+1); + buff->truncate(k+2); + (*buff)[k+1] = '-'; + (*buff)[k+2] = '\0'; + laststartline = lastsizes[k+1]; + buff->resize(); + for (int j = 0; j < lastword.length(); j++) + { + lastsizes[j] = lastsizes[j+k+1]; + } + return true; + } + } + } + else + */ + { + for (int k = lastk; k >= i && k >= 1; k--) + { + if ( + /* + ( + k < len-3 + && + k >= 1 + && + isletter((*buff)[k+3]) + && + isletter((*buff)[k+2]) + && + isconsonant((*buff)[k+1]) + && + ((*buff)[k+1] != 'y') + && + ((*buff)[k+1] != 'h') + && + isconsonant((*buff)[k]) + && + ((*buff)[k] != 'h') + && + isletter((*buff)[k-1]) + ) + || + */ + ( + isletter((*buff)[k+3]) + && + isletter((*buff)[k+2]) + && + isconsonant((*buff)[k+1]) + && + ((*buff)[k+1] != 'y') + && + isletter((*buff)[k]) + && + ((*buff)[k] != 'h') + && + isletter((*buff)[k-1]) + && // Do not hyphenate when the first part ends with a vowel, + // and the second starts with the two consonants. + // Examples: "co-nsona-nts" -> "con-sonants", + // "hy-phenation" -> "hyp-henation" etc. + !( isvowel( (*buff)[k] ) && isconsonant( (*buff)[k+2] ) ) + ) + ) + { + (*buff)[len] = 0; + lastword.setright(*buff, k+1); + buff->truncate(k+2); + (*buff)[k+1] = '-'; + (*buff)[k+2] = '\0'; + laststartline = lastsizes[k+1]; + // buff->resize(); + for (int j = 0; j < lastword.length(); j++) + { + lastsizes[j] = lastsizes[j+k+1]; + } + return true; + } + } + } + lastk = i; + } + if ((*buff)[i] == ' ') { (*buff)[len] = 0; lastword.setright(*buff, i+1); - buff->truncate(i+1); - (*buff)[i+1] = '\0'; + buff->truncate(i); + (*buff)[i] = '\0'; laststartline = lastsizes[i+1]; - buff->resize(); + // buff->resize(); for (int j = 0; j < lastword.length(); j++) { lastsizes[j] = lastsizes[j+i+1]; @@ -162,14 +405,14 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) } } (*buff)[len] = '\0'; - buff->resize(); + // buff->resize(); return moreleft; } #else -bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) +bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned short _lborder, unsigned short _rborder) { bool margindone = false; - int w = wth-2*_border; + int w = wth-(_lborder+_rborder); tchar ch = 32; CStyle cs; buff->empty(); @@ -188,14 +431,14 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) margindone = true; } else buff->empty(); -// //odebug << "Buff:" << toQString(buff->data()) << " Lastword:" << toQString(lastword.data()) << "" << oendl; +// //qDebug("Buff:%s Lastword:%s", (const char*)toQString(buff->data()), (const char*)toQString(lastword.data())); lastcheck = len = buff->length(); - unsigned int slen = buff->width(len); + unsigned int slen = buff->width(availht, len); if (slen > w) { for ( ; len > 1; len--) { - if (buff->width(len) < w) break; + if (buff->width(availht, len) < w) break; } // lastword = buff->data() + len - 1; laststartline = lastsizes[len-1]; @@ -214,7 +457,7 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) lastword.empty(); (*buff)[len] = '\0'; } - buff->resize(); + // buff->resize(); return true; } if (lastispara) @@ -223,11 +466,11 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) // lastword[0] = '\0'; lastword.empty(); len = buff->length(); - while (buff->width(len) > w) len--; + while (buff->width(availht, len) > w) len--; // (*buff)[len] = '\0'; buff->truncate(len); laststartline = exp->locate(); - buff->resize(); + // buff->resize(); return true; } lastispara = false; @@ -235,17 +478,15 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) while (slen < w) { lastcheck = len; - allsizes[len] = exp->locate(); - getch(ch, cs); + getch(ch, cs, allsizes[len]); while (ch != ' ' && ch != '\012' && ch != UEOF && len < 128) { len++; buff->addch(ch,cs); - allsizes[len] = exp->locate(); - getch(ch, cs); + getch(ch, cs, allsizes[len]); } (*buff)[len] = 0; - slen = buff->width(len); + slen = buff->width(availht, len); len++; buff->addch(' ', cs); if (!margindone) @@ -286,7 +527,7 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) buff->truncate(lastcheck); } // buff->frig(); - buff->resize(); +// buff->resize(); if (ch == UEOF && buff->length() == 0) { buff->setEof(); @@ -296,9 +537,9 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, unsigned char _border) } #endif -bool BuffDoc::getline(CDrawBuffer* buff, int wth, int cw, unsigned char _border) +bool BuffDoc::getline(CDrawBuffer* buff, int wth, int cw, unsigned short _lborder, unsigned short _rborder, int availht) { - int w = wth-2*_border; + int w = wth-(_lborder+_rborder); buff->empty(); if (exp == NULL) { @@ -307,36 +548,27 @@ bool BuffDoc::getline(CDrawBuffer* buff, int wth, int cw, unsigned char _border) tchar ch; CStyle cs; int i = 1; - while (i*cw < w-buff->offset(w,0)) + int offset = buff->offset(w,0,0,availht); + while (i*cw < w-offset) { - getch(ch, cs); + unsigned long dummy; + getch(ch, cs, dummy); if (ch == '\12' || ch == UEOF) break; buff->addch(ch,cs); i++; } buff->truncate(i); laststartline = exp->locate(); - buff->resize(); + // buff->resize(); return (ch != UEOF); } int BuffDoc::openfile(QWidget* _parent, const char *src) { - // //odebug << "BuffDoc:Openfile:" << src << "" << oendl; - // //odebug << "Trying aportis " << exp << "" << oendl; if (exp != NULL) delete exp; - lastword.empty(); - lastsizes[0] = laststartline = 0; -#ifdef NEWLINEBREAK - lastispara = true; -#else - lastispara = false; -#endif - /* - exp = new Text; - int ret = exp->openfile(src); - */ + exp = NULL; +#ifdef __STATIC exp = new Aportis; int ret = exp->openfile(src); if (ret == -1) @@ -352,6 +584,16 @@ int BuffDoc::openfile(QWidget* _parent, const char *src) exp = new ztxt; ret = exp->openfile(src); } + /* + } + if (ret != 0) + { + delete exp; + exp = new ebookcodec("Aportis"); + ret = exp->openfile(src); + if (ret == 0) qDebug("Aportis format"); + } + */ #ifdef USENEF if (ret != 0) { @@ -359,6 +601,7 @@ int BuffDoc::openfile(QWidget* _parent, const char *src) delete exp; exp = new CArriere; ret = exp->openfile(src); + if (ret == 0) qDebug("Arriere format"); } if (ret != 0) { @@ -366,6 +609,7 @@ int BuffDoc::openfile(QWidget* _parent, const char *src) delete exp; exp = new CNEF; ret = exp->openfile(src); + if (ret == 0) qDebug("NEF format"); } #endif if (ret != 0) @@ -377,8 +621,22 @@ int BuffDoc::openfile(QWidget* _parent, const char *src) } if (ret != 0) { + delete exp; - //odebug << "Trying ppms" << oendl; + exp = new CHM; + ret = exp->openfile(src); + } + if (ret != 0) + { + + delete exp; + exp = new iSilo; + ret = exp->openfile(src); + } + if (ret != 0) + { + delete exp; + //qDebug("Trying ppms"); exp = new ppm_expander; ret = exp->openfile(src); } @@ -386,8 +644,9 @@ int BuffDoc::openfile(QWidget* _parent, const char *src) { delete exp; exp = new Text; -// //odebug << "Trying text" << oendl; +// //qDebug("Trying text"); ret = exp->openfile(src); + if (ret == 0) qDebug("Text format"); } if (ret != 0) @@ -396,17 +655,56 @@ int BuffDoc::openfile(QWidget* _parent, const char *src) QMessageBox::information(_parent, PROGNAME, "Unknown file compression type","Try another file"); return ret; } - // //odebug << "Doing final open:" << exp << ":" << filt << "" << oendl; + // //qDebug("Doing final open:%x:%x",exp,filt); +#else + QString codecpath(QTReaderUtil::getPluginPath()); + QDir d(codecpath, "*.so"); + + if (d.exists()) + { + const QFileInfoList *list = d.entryInfoList(); + QFileInfoListIterator it( *list ); // create list iterator + QFileInfo *fi; // pointer for traversing + + int ret = -1; + while ( ret != 0 && (fi=it.current()) ) + { // for each file... + if (exp != NULL) delete exp; + qDebug("Trying %s", (const char*)fi->fileName()); + exp = new ebookcodec(fi->fileName()); + ret = exp->openfile(src); + ++it; + } + qDebug("Buffdoc:Finished opening"); + if (ret != 0) + { + if (exp != NULL) delete exp; + exp = new Text; + ret = exp->openfile(src); + } + } + else + { + if (exp != NULL) delete exp; + exp = new Text; + exp->openfile(src); + } +#endif lastword.empty(); lastsizes[0] = laststartline = 0; #ifdef NEWLINEBREAK - lastispara = true; + lastispara = false; #else lastispara = false; #endif - exp->locate(0); + exp->locate(exp->getHome()); filt->setsource(exp); - // //odebug << "BuffDoc:file opened" << oendl; + qDebug("BuffDoc:file opened"); return 0; } + +QString BuffDoc::about() +{ + return QString("Buffered Decompressor (c) Tim Wentford\nHyphenation algorithm (c) Tim Wentford\n (Cyrillic support by Konstantin Isakov\n")+filt->about(); +} |