Diffstat (limited to 'noncore/apps/opie-reader/Bkmks.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/opie-reader/Bkmks.cpp | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/noncore/apps/opie-reader/Bkmks.cpp b/noncore/apps/opie-reader/Bkmks.cpp new file mode 100644 index 0000000..92ed69f --- a/dev/null +++ b/noncore/apps/opie-reader/Bkmks.cpp @@ -0,0 +1,240 @@ +#include <qmessagebox.h> + +#include "Bkmks.h" + +#include "StyleConsts.h" +#include "Markups.h" +#include "my_list.h" +#include "version.h" + +const unsigned long BkmkFile::magic = ((unsigned long)'q' << 24) | ((unsigned long)'t' << 16) | ((unsigned long)'r' << 8) | ((unsigned long)BKMKTYPE); + + +Bkmk::Bkmk(const tchar* _nm, const tchar* _anno, unsigned int _p) : m_position(_p) +{ + int len = ustrlen(_nm)+1; + m_name = new tchar[len]; + for (int i = 0; i < len; i++) m_name[i] = _nm[i]; + + if (_anno == NULL) + { + m_anno = new tchar[1]; + m_anno[0] = 0; + } + else + { + len = ustrlen(_anno)+1; + m_anno = new tchar[len]; + for (int i = 0; i < len; i++) m_anno[i] = _anno[i]; + } +} + +Bkmk::~Bkmk() +{ + if (m_name != NULL) delete [] m_name; + m_name = NULL; + if (m_anno != NULL) delete [] m_anno; + m_anno = NULL; +} + +Bkmk& Bkmk::operator=(const Bkmk& rhs) +{ + if (m_name != NULL) + { + delete [] m_name; + m_name = NULL; + } + if (m_anno != NULL) + { + delete [] m_anno; + m_anno = NULL; + } + if (rhs.m_name != NULL) + { + int len = ustrlen(rhs.m_name)+1; + m_name = new tchar[len]; + for (int i = 0; i < len; i++) m_name[i] = rhs.m_name[i]; + } + else + m_name = NULL; + if (rhs.m_anno != NULL) + { + int len = ustrlen(rhs.m_anno)+1; + m_anno = new tchar[len]; + for (int i = 0; i < len; i++) m_anno[i] = rhs.m_anno[i]; + } + else + m_anno = NULL; + m_position = rhs.m_position; + return *this; +} + +bool Bkmk::operator==(const Bkmk& rhs) +{ + return (m_position == rhs.m_position && ustrcmp(m_name,rhs.m_name) == 0); +} + +void Bkmk::setAnno(tchar* t) +{ + if (m_anno != NULL) + { + delete [] m_anno; + m_anno = NULL; + } + if (t != NULL) + { + int len = ustrlen(t)+1; + m_anno = new tchar[len]; + for (int i = 0; i < len; i++) m_anno[i] = t[i]; + } + else + m_anno = NULL; +} + +BkmkFile::BkmkFile(const char *fnm, bool w = false) + : + wt(w), isUpgraded(false) +{ + if (w) + { + f = fopen(fnm, "wb"); + } + else + { + f = fopen(fnm, "rb"); + } +} + +BkmkFile::~BkmkFile() +{ + if (f != NULL) fclose(f); +} + +void BkmkFile::write(tchar* nm, tchar* an, const unsigned int& pos) +{ + if (f != NULL) + { + unsigned short ln = ustrlen(nm); + fwrite(&ln,sizeof(ln),1,f); + fwrite(nm,sizeof(tchar),ln,f); + ln = ustrlen(an); + fwrite(&ln,sizeof(ln),1,f); + if (ln > 0) fwrite(an,sizeof(tchar),ln,f); + fwrite(&pos,sizeof(pos),1,f); + } +} + +void BkmkFile::write(const Bkmk& b) { write(b.name(), b.anno(), b.value()); } + +void BkmkFile::write(CList<Bkmk>& bl) +{ + if (f != NULL) + { + fwrite(&magic, sizeof(magic), 1, f); + for (CList<Bkmk>::iterator i = bl.begin(); i != bl.end(); i++) + { + write(*i); + } + } +} + +Bkmk* BkmkFile::read() +{ + Bkmk* b = NULL; + if (f != NULL) + { + unsigned short ln; + if (fread(&ln,sizeof(ln),1,f) == 1) + { + b = new Bkmk; + b->m_name = new tchar[ln+1]; + fread(b->m_name,sizeof(tchar),ln,f); + b->m_name[ln] = 0; + + fread(&ln,sizeof(ln),1,f); + b->m_anno = new tchar[ln+1]; + if (ln > 0) fread(b->m_anno,sizeof(tchar),ln,f); + b->m_anno[ln] = 0; + fread(&b->m_position,sizeof(b->m_position),1,f); + } + } + return b; +} + +CList<Bkmk>* BkmkFile::readall() +{ + CList<Bkmk>* bl = NULL; + if (f != NULL) + { + unsigned long newmagic; + fread(&newmagic, sizeof(newmagic), 1, f); + if (newmagic != magic) + { + if (QMessageBox::warning(NULL, "Old bookmark file!", "Which version of QTReader\ndid you upgrade from?", "0_4*", "Any other version") == 0) + { + fseek(f,0,SEEK_SET); + bl = readall04(); + } + else + { + fseek(f,0,SEEK_SET); + bl = readall03(); + } + isUpgraded = true; + } + else + { + bl = readall04(); + } + } + return bl; +} + +CList<Bkmk>* BkmkFile::readall04() +{ + CList<Bkmk>* bl = new CList<Bkmk>; + while (1) + { + Bkmk* b = read(); + if (b == NULL) break; + bl->push_back(*b); + delete b; + } + return bl; +} + +CList<Bkmk>* BkmkFile::readall03() +{ + CList<Bkmk>* bl = new CList<Bkmk>; + while (1) + { + Bkmk* b = read03(); + if (b == NULL) break; + bl->push_back(*b); + delete b; + } + return bl; +} + +Bkmk* BkmkFile::read03() +{ + Bkmk* b = NULL; + if (f != NULL) + { + unsigned short ln; + if (fread(&ln,sizeof(ln),1,f) == 1) + { + b = new Bkmk; + b->m_name = new tchar[ln+1]; + fread(b->m_name,sizeof(tchar),ln,f); + b->m_name[ln] = 0; + + ln = 0; + b->m_anno = new tchar[ln+1]; + b->m_anno[ln] = 0; + + fread(&b->m_position,sizeof(b->m_position),1,f); + } + } + return b; +} |