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.cached format of help books is now endian-independent; also changed lookup logic for .cached files

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5512 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2000-01-19 00:59:27 +00:00
parent eaf40b230e
commit f35822af10
2 changed files with 103 additions and 69 deletions
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11
include/wx/html/helpdata.h
View File

@ -127,12 +127,11 @@ class WXDLLEXPORT wxHtmlSearchStatus
wxString m_Keyword, m_Name;
wxChar *m_LastPage;
wxHtmlContentsItem* m_ContentsItem;
bool m_Active; // search is not finished
bool m_Active; // search is not finished
int m_CurIndex; // where we are now
int m_MaxIndex; // number of files we search
// For progress bar: 100*curindex/maxindex = % complete
}
;
};
class WXDLLEXPORT wxHtmlHelpData : public wxObject
{
@ -153,7 +152,8 @@ class WXDLLEXPORT wxHtmlHelpData : public wxObject
// Adds new book. 'book' is location of .htb file (stands for "html book").
// See documentation for details on its format.
// Returns success.
bool AddBookParam(const wxString& title, const wxString& contfile,
bool AddBookParam(const wxFSFile& bookfile,
const wxString& title, const wxString& contfile,
const wxString& indexfile = wxEmptyString,
const wxString& deftopic = wxEmptyString,
const wxString& path = wxEmptyString);
@ -190,8 +190,7 @@ class WXDLLEXPORT wxHtmlHelpData : public wxObject
// Reads binary book
bool SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f);
// Writes binary book
}
;
};
#endif

161
src/html/helpdata.cpp
View File

@ -55,18 +55,6 @@ static char* ReadLine(char *line, char *buf)
}
static wxString SafeFileName(const wxString& s)
{
wxString res = s;
res.Replace(wxT(":"), wxT("_"), TRUE);
res.Replace(wxT(" "), wxT("_"), TRUE);
res.Replace(wxT("/"), wxT("_"), TRUE);
res.Replace(wxT("\\"), wxT("_"), TRUE);
res.Replace(wxT("#"), wxT("_"), TRUE);
res.Replace(wxT("."), wxT("_"), TRUE);
return res;
}
static int LINKAGEMODE IndexCompareFunc(const void *a, const void *b)
{
@ -260,28 +248,56 @@ bool wxHtmlHelpData::LoadMSProject(wxHtmlBookRecord *book, wxFileSystem& fsys, c
}
#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));
#endif
#define CURRENT_CACHED_BOOK_VERSION 1
bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
{
int i, st;
int x;
wxInt32 x;
wxInt32 version;
/* load header - version info : */
f -> Read(&x, sizeof(x));
version = wxINT32_SWAP_ON_BE(x);
if (version != CURRENT_CACHED_BOOK_VERSION) return FALSE;
// NOTE: when adding new version, please ensure backward compatibility!
/* load contents : */
f -> Read(&x, sizeof(x));
st = m_ContentsCnt;
m_ContentsCnt += x;
m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, (m_ContentsCnt / wxHTML_REALLOC_STEP + 1) * wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
m_ContentsCnt += wxINT32_SWAP_ON_BE(x);
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 = x;
f -> Read(&x, sizeof(x));
m_Contents[i].m_ID = 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];
f -> Read(m_Contents[i].m_Name, x*sizeof(wxChar));
f -> Read(&x, sizeof(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];
f -> Read(m_Contents[i].m_Page, x*sizeof(wxChar));
READ_STRING(f, m_Contents[i].m_Page, x);
m_Contents[i].m_Book = book;
}
@ -289,15 +305,16 @@ bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
f -> Read(&x, sizeof(x));
st = m_IndexCnt;
m_IndexCnt += x;
m_Index = (wxHtmlContentsItem*) realloc(m_Index, (m_IndexCnt / wxHTML_REALLOC_STEP + 1) * wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
m_IndexCnt += wxINT32_SWAP_ON_BE(x);
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));
f -> Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x);
m_Index[i].m_Name = new wxChar[x];
f -> Read(m_Index[i].m_Name, x*sizeof(wxChar));
f -> Read(&x, sizeof(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];
f -> Read(m_Index[i].m_Page, x*sizeof(wxChar));
READ_STRING(f, m_Index[i].m_Page, x);
m_Index[i].m_Book = book;
}
return TRUE;
@ -307,40 +324,47 @@ bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
bool wxHtmlHelpData::SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f)
{
int i;
int x;
wxInt32 x;
/* save header - version info : */
x = wxINT32_SWAP_ON_BE(CURRENT_CACHED_BOOK_VERSION);
f -> Write(&x, sizeof(x));
/* save contents : */
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 = m_Contents[i].m_Level;
x = wxINT32_SWAP_ON_BE(m_Contents[i].m_Level);
f -> Write(&x, sizeof(x));
x = m_Contents[i].m_ID;
x = wxINT32_SWAP_ON_BE(m_Contents[i].m_ID);
f -> Write(&x, sizeof(x));
x = wxStrlen(m_Contents[i].m_Name) + 1;
x = wxINT32_SWAP_ON_BE(wxStrlen(m_Contents[i].m_Name) + 1);
f -> Write(&x, sizeof(x));
f -> Write(m_Contents[i].m_Name, x*sizeof(wxChar));
x = wxStrlen(m_Contents[i].m_Page) + 1;
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));
f -> Write(m_Contents[i].m_Page, x*sizeof(wxChar));
WRITE_STRING(f, m_Contents[i].m_Page, x);
}
/* save index : */
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 = wxStrlen(m_Index[i].m_Name) + 1;
x = wxINT32_SWAP_ON_BE(wxStrlen(m_Index[i].m_Name) + 1);
f -> Write(&x, sizeof(x));
f -> Write(m_Index[i].m_Name, x*sizeof(wxChar));
x = wxStrlen(m_Index[i].m_Page) + 1;
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));
f -> Write(m_Index[i].m_Page, x*sizeof(wxChar));
WRITE_STRING(f, m_Index[i].m_Page, x);
}
return TRUE;
}
@ -351,22 +375,22 @@ void wxHtmlHelpData::SetTempDir(const wxString& path)
if (path == wxEmptyString) m_TempPath = path;
else {
if (wxIsAbsolutePath(path)) m_TempPath = path;
else m_TempPath = wxGetCwd() + "/" + path;
else m_TempPath = wxGetCwd() + _T("/") + path;
if (m_TempPath[m_TempPath.Length() - 1] != '/')
m_TempPath << "/";
if (m_TempPath[m_TempPath.Length() - 1] != _T('/'))
m_TempPath << _T('/');
}
}
bool wxHtmlHelpData::AddBookParam(const wxString& title, const wxString& contfile,
bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
const wxString& title, const wxString& contfile,
const wxString& indexfile, const wxString& deftopic,
const wxString& path)
{
wxFileSystem fsys;
wxFSFile *fi;
wxHtmlBookRecord *bookr;
wxString safetitle;
if (! path.IsEmpty())
fsys.ChangePathTo(path, TRUE);
@ -387,20 +411,34 @@ bool wxHtmlHelpData::AddBookParam(const wxString& title, const wxString& contfil
int cont_start = m_ContentsCnt++;
// Try to find cached binary versions:
safetitle = SafeFileName(title);
fi = fsys.OpenFile(safetitle + wxT(".cached"));
if (fi == NULL) fi = fsys.OpenFile(m_TempPath + safetitle + wxT(".cached"));
if ((fi == NULL) || (m_TempPath == wxEmptyString)) {
LoadMSProject(bookr, fsys, indexfile, contfile);
if (m_TempPath != wxEmptyString) {
wxFileOutputStream *outs = new wxFileOutputStream(m_TempPath + safetitle + wxT(".cached"));
SaveCachedBook(bookr, outs);
delete outs;
// 1. save file as book, but with .hhp.cached extension
// 2. same as 1. but in temp path
// 3. otherwise or if cache load failed, load it from MS.
fi = fsys.OpenFile(bookfile.GetLocation() + wxT(".cached"));
if (fi == NULL ||
fi -> GetModificationTime() < bookfile.GetModificationTime() ||
!LoadCachedBook(bookr, fi -> GetStream()))
{
if (fi != NULL) delete fi;
fi = fsys.OpenFile(m_TempPath + wxFileNameFromPath(bookfile.GetLocation()) + wxT(".cached"));
if (m_TempPath == wxEmptyString || fi == NULL ||
fi -> GetModificationTime() < bookfile.GetModificationTime() ||
!LoadCachedBook(bookr, fi -> GetStream()))
{
LoadMSProject(bookr, fsys, indexfile, contfile);
if (m_TempPath != wxEmptyString)
{
wxFileOutputStream *outs = new wxFileOutputStream(m_TempPath +
wxFileNameFromPath(bookfile.GetLocation()) + wxT(".cached"));
SaveCachedBook(bookr, outs);
delete outs;
}
}
} else {
LoadCachedBook(bookr, fi -> GetStream());
delete fi;
}
if (fi != NULL) delete fi;
// Now store the contents range
bookr->SetContentsRange(cont_start, m_ContentsCnt);
@ -462,7 +500,6 @@ bool wxHtmlHelpData::AddBook(const wxString& book)
buff[sz] = 0;
s -> Read(buff, sz);
lineptr = buff;
delete fi;
do {
lineptr = ReadLine(lineptr, linebuf);
@ -478,7 +515,9 @@ bool wxHtmlHelpData::AddBook(const wxString& book)
} while (lineptr != NULL);
delete[] buff;
return AddBookParam(title, contents, index, start, fsys.GetPath());
bool rtval = AddBookParam(*fi, title, contents, index, start, fsys.GetPath());
delete fi;
return rtval;
}
}
@ -587,19 +626,14 @@ wxHtmlSearchStatus::wxHtmlSearchStatus(wxHtmlHelpData* data, const wxString& key
bool wxHtmlSearchStatus::Search()
{
wxFileSystem fsys;
wxFSFile *file;
int i = m_CurIndex; // shortcut
bool found = FALSE;
wxChar *thepage;
if (!m_Active) {
// sanity check. Illegal use, but we'll try to prevent a crash anyway
#if !defined(__VISAGECPP__)
wxASSERT(0);
#else
// sanity check. Illegal use, but we'll try to prevent a crash anyway
wxASSERT(m_Active);
#endif
return FALSE;
}
@ -622,6 +656,7 @@ bool wxHtmlSearchStatus::Search()
}
else m_LastPage = thepage;
wxFileSystem fsys;
file = fsys.OpenFile(m_Data->m_Contents[i].m_Book -> GetBasePath() + thepage);
if (file)
{