X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/25fd9bdfca604b1042892225caf38b2e8f6fbdc6..0dbfd66d0b35352a0f60e7190b72815052b3d2d4:/src/html/helpdata.cpp diff --git a/src/html/helpdata.cpp b/src/html/helpdata.cpp index 11af5d51dc..44392854d3 100644 --- a/src/html/helpdata.cpp +++ b/src/html/helpdata.cpp @@ -48,20 +48,28 @@ WX_DEFINE_OBJARRAY(wxHtmlBookRecArray) //----------------------------------------------------------------------------- // Reads one line, stores it into buf and returns pointer to new line or NULL. -static char* ReadLine(char *line, char *buf) +static char* ReadLine(char *line, char *buf, size_t bufsize) { - char *writeptr = buf, *readptr = line; + char *writeptr = buf; + char *endptr = buf + bufsize - 1; + char *readptr = line; - while (*readptr != 0 && *readptr != '\r' && *readptr != '\n') *(writeptr++) = *(readptr++); + while (*readptr != 0 && *readptr != '\r' && *readptr != '\n' && + writeptr != endptr) + *(writeptr++) = *(readptr++); *writeptr = 0; - while (*readptr == '\r' || *readptr == '\n') readptr++; - if (*readptr == 0) return NULL; - else return readptr; + while (*readptr == '\r' || *readptr == '\n') + readptr++; + if (*readptr == 0) + return NULL; + else + return readptr; } -static int LINKAGEMODE IndexCompareFunc(const void *a, const void *b) +extern "C" int LINKAGEMODE +wxHtmlHelpIndexCompareFunc(const void *a, const void *b) { return wxStricmp(((wxHtmlContentsItem*)a)->m_Name, ((wxHtmlContentsItem*)b)->m_Name); } @@ -287,78 +295,78 @@ bool wxHtmlHelpData::LoadMSProject(wxHtmlBookRecord *book, wxFileSystem& fsys, c +inline static void CacheWriteInt32(wxOutputStream *f, wxInt32 value) +{ + wxInt32 x = wxINT32_SWAP_ON_BE(value); + f->Write(&x, sizeof(x)); +} -#if wxUSE_UNICODE - -#define READ_STRING(f, s, lng) { char tmpc; for (int i = 0; i < lng; i++) { f->Read(&tmpc, 1); s[i] = (wxChar)tmpc;} } -#define WRITE_STRING(f, s, lng) { char tmpc; for (int i = 0; i < lng; i++) { tmpc = (char)s[i]; f->Write(&tmpc, 1);} } - -#else - -#define READ_STRING(f, s, lng) f->Read(s, lng * sizeof(char)); -#define WRITE_STRING(f, s, lng) f->Write(s, lng * sizeof(char)); +inline static wxInt32 CacheReadInt32(wxInputStream *f) +{ + wxInt32 x; + f->Read(&x, sizeof(x)); + return wxINT32_SWAP_ON_BE(x); +} -#endif +inline static void CacheWriteString(wxOutputStream *f, const wxChar *str) +{ + size_t len = wxStrlen(str)+1; + CacheWriteInt32(f, len); + f->Write(str, len * sizeof(wxChar)); +} +inline static wxChar *CacheReadString(wxInputStream *f) +{ + wxChar *str; + size_t len = (size_t)CacheReadInt32(f); + str = new wxChar[len]; + f->Read(str, len * sizeof(wxChar)); + return str; +} -#define CURRENT_CACHED_BOOK_VERSION 1 +#define CURRENT_CACHED_BOOK_VERSION 2 bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f) { int i, st; - wxInt32 x; wxInt32 version; /* load header - version info : */ - - f->Read(&x, sizeof(x)); - version = wxINT32_SWAP_ON_BE(x); + version = CacheReadInt32(f); if (version != CURRENT_CACHED_BOOK_VERSION) { - wxLogError(_("Incorrect version of HTML help book")); + // NB: We can just silently return FALSE here and don't worry about + // it anymore, because AddBookParam will load the MS project in + // absence of (properly versioned) .cached file and automatically + // create new .cached file immediately afterward. return FALSE; - // NOTE: when adding new version, please ensure backward compatibility! } /* load contents : */ - - f->Read(&x, sizeof(x)); st = m_ContentsCnt; - m_ContentsCnt += wxINT32_SWAP_ON_BE(x); + m_ContentsCnt += CacheReadInt32(f); m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, (m_ContentsCnt / wxHTML_REALLOC_STEP + 1) * wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem)); for (i = st; i < m_ContentsCnt; i++) { - f->Read(&x, sizeof(x)); - m_Contents[i].m_Level = wxINT32_SWAP_ON_BE(x); - f->Read(&x, sizeof(x)); - m_Contents[i].m_ID = wxINT32_SWAP_ON_BE(x); - f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x); - m_Contents[i].m_Name = new wxChar[x]; - READ_STRING(f, m_Contents[i].m_Name, x); - f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x); - m_Contents[i].m_Page = new wxChar[x]; - READ_STRING(f, m_Contents[i].m_Page, x); + m_Contents[i].m_Level = CacheReadInt32(f); + m_Contents[i].m_ID = CacheReadInt32(f); + m_Contents[i].m_Name = CacheReadString(f); + m_Contents[i].m_Page = CacheReadString(f); m_Contents[i].m_Book = book; } /* load index : */ - - f->Read(&x, sizeof(x)); st = m_IndexCnt; - m_IndexCnt += wxINT32_SWAP_ON_BE(x); + m_IndexCnt += CacheReadInt32(f); m_Index = (wxHtmlContentsItem*) realloc(m_Index, (m_IndexCnt / wxHTML_REALLOC_STEP + 1) * wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem)); for (i = st; i < m_IndexCnt; i++) { - f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x); - m_Index[i].m_Name = new wxChar[x]; - READ_STRING(f, m_Index[i].m_Name, x); - f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x); - m_Index[i].m_Page = new wxChar[x]; - READ_STRING(f, m_Index[i].m_Page, x); + m_Index[i].m_Name = CacheReadString(f); + m_Index[i].m_Page = CacheReadString(f); m_Index[i].m_Book = book; } return TRUE; @@ -368,49 +376,39 @@ bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f) bool wxHtmlHelpData::SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f) { int i; - wxInt32 x; + wxInt32 cnt; /* save header - version info : */ - - x = wxINT32_SWAP_ON_BE(CURRENT_CACHED_BOOK_VERSION); - f->Write(&x, sizeof(x)); + CacheWriteInt32(f, CURRENT_CACHED_BOOK_VERSION); /* save contents : */ + for (cnt = 0, i = 0; i < m_ContentsCnt; i++) + if (m_Contents[i].m_Book == book && m_Contents[i].m_Level > 0) + cnt++; + CacheWriteInt32(f, cnt); - x = 0; - for (i = 0; i < m_ContentsCnt; i++) if (m_Contents[i].m_Book == book && m_Contents[i].m_Level > 0) x++; - x = wxINT32_SWAP_ON_BE(x); - f->Write(&x, sizeof(x)); for (i = 0; i < m_ContentsCnt; i++) { - if (m_Contents[i].m_Book != book || m_Contents[i].m_Level == 0) continue; - x = wxINT32_SWAP_ON_BE(m_Contents[i].m_Level); - f->Write(&x, sizeof(x)); - x = wxINT32_SWAP_ON_BE(m_Contents[i].m_ID); - f->Write(&x, sizeof(x)); - x = wxINT32_SWAP_ON_BE(wxStrlen(m_Contents[i].m_Name) + 1); - f->Write(&x, sizeof(x)); - WRITE_STRING(f, m_Contents[i].m_Name, x); - x = wxINT32_SWAP_ON_BE(wxStrlen(m_Contents[i].m_Page) + 1); - f->Write(&x, sizeof(x)); - WRITE_STRING(f, m_Contents[i].m_Page, x); + if (m_Contents[i].m_Book != book || m_Contents[i].m_Level == 0) + continue; + CacheWriteInt32(f, m_Contents[i].m_Level); + CacheWriteInt32(f, m_Contents[i].m_ID); + CacheWriteString(f, m_Contents[i].m_Name); + CacheWriteString(f, m_Contents[i].m_Page); } /* save index : */ + for (cnt = 0, i = 0; i < m_IndexCnt; i++) + if (m_Index[i].m_Book == book && m_Index[i].m_Level > 0) + cnt++; + CacheWriteInt32(f, cnt); - x = 0; - for (i = 0; i < m_IndexCnt; i++) if (m_Index[i].m_Book == book && m_Index[i].m_Level > 0) x++; - x = wxINT32_SWAP_ON_BE(x); - f->Write(&x, sizeof(x)); for (i = 0; i < m_IndexCnt; i++) { - if (m_Index[i].m_Book != book || m_Index[i].m_Level == 0) continue; - x = wxINT32_SWAP_ON_BE(wxStrlen(m_Index[i].m_Name) + 1); - f->Write(&x, sizeof(x)); - WRITE_STRING(f, m_Index[i].m_Name, x); - x = wxINT32_SWAP_ON_BE(wxStrlen(m_Index[i].m_Page) + 1); - f->Write(&x, sizeof(x)); - WRITE_STRING(f, m_Index[i].m_Page, x); + if (m_Index[i].m_Book != book || m_Index[i].m_Level == 0) + continue; + CacheWriteString(f, m_Index[i].m_Name); + CacheWriteString(f, m_Index[i].m_Page); } return TRUE; } @@ -454,11 +452,18 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile, int IndexOld = m_IndexCnt, ContentsOld = m_ContentsCnt; - if (! path.IsEmpty()) + if (!path.IsEmpty()) fsys.ChangePathTo(path, TRUE); - bookr = new wxHtmlBookRecord(fsys.GetPath(), title, deftopic); + size_t booksCnt = m_BookRecords.GetCount(); + for (size_t i = 0; i < booksCnt; i++) + { + if ( m_BookRecords[i].GetBookFile() == bookfile.GetLocation() ) + return TRUE; // book is (was) loaded + } + bookr = new wxHtmlBookRecord(bookfile.GetLocation(), fsys.GetPath(), title, deftopic); + if (m_ContentsCnt % wxHTML_REALLOC_STEP == 0) m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, (m_ContentsCnt + wxHTML_REALLOC_STEP) * sizeof(wxHtmlContentsItem)); m_Contents[m_ContentsCnt].m_Level = 0; @@ -524,7 +529,7 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile, m_BookRecords.Add(bookr); if (m_IndexCnt > 0) - qsort(m_Index, m_IndexCnt, sizeof(wxHtmlContentsItem), IndexCompareFunc); + qsort(m_Index, m_IndexCnt, sizeof(wxHtmlContentsItem), wxHtmlHelpIndexCompareFunc); return TRUE; } @@ -534,7 +539,6 @@ bool wxHtmlHelpData::AddBook(const wxString& book) { if (book.Right(4).Lower() == wxT(".zip") || book.Right(4).Lower() == wxT(".htb") /*html book*/) - { wxFileSystem fsys; wxString s; @@ -549,8 +553,6 @@ bool wxHtmlHelpData::AddBook(const wxString& book) return rt; } - - else { wxFSFile *fi; @@ -558,10 +560,6 @@ bool wxHtmlHelpData::AddBook(const wxString& book) wxInputStream *s; wxString bookFull; - int sz; - char *buff, *lineptr; - char linebuf[300]; - wxString title = _("noname"), safetitle, start = wxEmptyString, @@ -587,31 +585,40 @@ bool wxHtmlHelpData::AddBook(const wxString& book) } fsys.ChangePathTo(bookFull); s = fi->GetStream(); + + int sz; + char *buff, *lineptr; + char linebuf[300]; + sz = s->GetSize(); buff = new char[sz + 1]; buff[sz] = 0; s->Read(buff, sz); lineptr = buff; - do { - lineptr = ReadLine(lineptr, linebuf); - - if (strstr(linebuf, "Title=") == linebuf) - title = linebuf + strlen("Title="); - if (strstr(linebuf, "Default topic=") == linebuf) - start = linebuf + strlen("Default topic="); - if (strstr(linebuf, "Index file=") == linebuf) - index = linebuf + strlen("Index file="); - if (strstr(linebuf, "Contents file=") == linebuf) - contents = linebuf + strlen("Contents file="); - if (strstr(linebuf, "Charset=") == linebuf) - charset = linebuf + strlen("Charset="); + do + { + lineptr = ReadLine(lineptr, linebuf, 300); + + for (char *ch = linebuf; *ch != '\0' && *ch != '='; ch++) + *ch = tolower(*ch); + + if (strstr(linebuf, "title=") == linebuf) + title = linebuf + strlen("title="); + if (strstr(linebuf, "default topic=") == linebuf) + start = linebuf + strlen("default topic="); + if (strstr(linebuf, "index file=") == linebuf) + index = linebuf + strlen("index file="); + if (strstr(linebuf, "contents file=") == linebuf) + contents = linebuf + strlen("contents file="); + if (strstr(linebuf, "charset=") == linebuf) + charset = linebuf + strlen("charset="); } while (lineptr != NULL); delete[] buff; wxFontEncoding enc; if (charset == wxEmptyString) enc = wxFONTENCODING_SYSTEM; - else enc = wxTheFontMapper->CharsetToEncoding(charset); + else enc = wxFontMapper::Get()->CharsetToEncoding(charset); bool rtval = AddBookParam(*fi, enc, title, contents, index, start, fsys.GetPath()); delete fi;