bool SaveFileModifictions(const WCHAR *filepath, Vec<PageAnnotation> *list)
{
if (!list)
return false;
str::Str<char> data;
data.AppendFmt("/* SumatraPDF: modifications to \"%S\" */\r\n", path::GetBaseName(filepath));
data.AppendFmt("@meta { version: %s", SMX_CURR_VERSION);
int64 size = file::GetSize(filepath);
if (0 <= size && size <= UINT_MAX)
data.AppendFmt("; filesize: %u", (UINT)size);
data.Append(" }\r\n\r\n");
for (size_t i = 0; i < list->Count(); i++) {
PageAnnotation& annot = list->At(i);
switch (annot.type) {
case Annot_Highlight: data.Append("highlight"); break;
case Annot_Underline: data.Append("underline"); break;
case Annot_StrikeOut: data.Append("strikeout"); break;
case Annot_Squiggly: data.Append("squiggly "); break;
default: continue;
}
data.AppendFmt(" { page: %d; rect: %.2f %.2f %.2f %.2f; color: #%02X%02X%02X%02X }\r\n",
annot.pageNo, annot.rect.x, annot.rect.y,
annot.rect.dx, annot.rect.dy, annot.color.a,
annot.color.r, annot.color.g, annot.color.b);
}
ScopedMem<WCHAR> modificationsPath(str::Join(filepath, SMX_FILE_EXT));
return file::WriteAll(modificationsPath, data.LendData(), data.Size());
}
bool SaveFileModifictions(const WCHAR *filePath, Vec<PageAnnotation> *list)
{
if (!list)
return false;
ScopedMem<WCHAR> modificationsPath(str::Join(filePath, SMX_FILE_EXT));
str::Str<char> data;
size_t offset = 0;
ScopedMem<char> prevData(file::ReadAll(modificationsPath, NULL));
Vec<PageAnnotation> *prevList = ParseFileModifications(prevData);
if (prevList) {
// in the case of an update, append changed annotations to the existing ones
// (don't rewrite the existing ones in case they're by a newer version which
// added annotation types and properties this version doesn't know anything about)
for (; offset < prevList->Count() && prevList->At(offset) == list->At(offset); offset++);
CrashIf(offset != prevList->Count());
data.AppendAndFree(prevData.StealData());
delete prevList;
}
else {
data.AppendFmt("# SumatraPDF: modifications to \"%S\"\r\n", path::GetBaseName(filePath));
}
data.Append("\r\n");
if (list->Count() == offset)
return true; // nothing (new) to save
data.AppendFmt("[@%s]\r\n", prevList ? "update" : "meta");
data.AppendFmt("version = %s\r\n", SMX_CURR_VERSION);
int64 size = file::GetSize(filePath);
if (0 <= size && size <= UINT_MAX)
data.AppendFmt("filesize = %u\r\n", (UINT)size);
SYSTEMTIME time;
GetSystemTime(&time);
data.AppendFmt("timestamp = %04d-%02d-%02dT%02d:%02d:%02dZ\r\n",
time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
data.Append("\r\n");
for (size_t i = offset; i < list->Count(); i++) {
PageAnnotation& annot = list->At(i);
switch (annot.type) {
case Annot_Highlight: data.Append("[highlight]\r\n"); break;
case Annot_Underline: data.Append("[underline]\r\n"); break;
case Annot_StrikeOut: data.Append("[strikeout]\r\n"); break;
case Annot_Squiggly: data.Append("[squiggly]\r\n"); break;
default: continue;
}
data.AppendFmt("page = %d\r\n", annot.pageNo);
data.AppendFmt("rect = %g %g %g %g\r\n", annot.rect.x, annot.rect.y, annot.rect.dx, annot.rect.dy);
data.AppendFmt("color = #%02x%02x%02x\r\n", annot.color.r, annot.color.g, annot.color.b);
data.AppendFmt("opacity = %g\r\n", annot.color.a / 255.f);
data.Append("\r\n");
}
data.RemoveAt(data.Size() - 2, 2);
FileTransaction trans;
return trans.WriteAll(modificationsPath, data.LendData(), data.Size()) && trans.Commit();
}
Vec<PageAnnotation> *LoadFileModifications(const WCHAR *filePath)
{
ScopedMem<WCHAR> modificationsPath(str::Join(filePath, SMX_FILE_EXT));
ScopedMem<char> data(file::ReadAll(modificationsPath, NULL));
return ParseFileModifications(data);
}
Vec<PageAnnotation> *LoadFileModifications(const WCHAR *filepath)
{
ScopedMem<WCHAR> modificationsPath(str::Join(filepath, SMX_FILE_EXT));
size_t len;
ScopedMem<char> data(file::ReadAll(modificationsPath, &len));
if (!data)
return NULL;
CssPullParser parser(data, len);
if (!parser.NextRule())
return NULL;
const CssSelector *sel = parser.NextSelector();
if (!sel || !IsSelector(sel, "@meta") || parser.NextSelector())
return NULL;
const CssProperty *prop = parser.NextProperty();
if (!prop || Css_Version != prop->type || !str::Parse(prop->s, prop->sLen, SMX_CURR_VERSION "%$"))
return NULL;
Vec<PageAnnotation> *list = new Vec<PageAnnotation>();
while (parser.NextRule()) {
sel = parser.NextSelector();
if (!sel)
continue;
PageAnnotType type = IsSelector(sel, "highlight") ? Annot_Highlight :
IsSelector(sel, "underline") ? Annot_Underline :
IsSelector(sel, "strikeout") ? Annot_StrikeOut :
IsSelector(sel, "squiggly") ? Annot_Squiggly :
Annot_None;
if (Annot_None == type || parser.NextSelector())
continue;
int pageNo = 0;
RectT<float> rect;
PageAnnotation::Color color;
while ((prop = parser.NextProperty())) {
switch (prop->type) {
case Css_Page:
if (!str::Parse(prop->s, prop->sLen, "%d%$", &pageNo))
pageNo = 0;
break;
case Css_Rect:
if (!str::Parse(prop->s, prop->sLen, "%f %f %f %f%$",
&rect.x, &rect.y, &rect.dx, &rect.dy))
rect = RectT<float>();
break;
case Css_Color:
int r, g, b, a;
if (str::Parse(prop->s, prop->sLen, "#%2x%2x%2x%2x%$", &a, &r, &g, &b))
color = PageAnnotation::Color(r, g, b, a);
else if (str::Parse(prop->s, prop->sLen, "#%2x%2x%2x%$", &r, &g, &b))
color = PageAnnotation::Color(r, g, b);
break;
}
}
if (pageNo <= 0 || rect.IsEmpty())
continue;
list->Append(PageAnnotation(type, pageNo, rect.Convert<double>(), color));
}
return list;
}
