DenysMedvid/pdf2htmlEX
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simplify base64stream

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This commit is contained in:
Lu Wang 2013-02-25 21:08:47 +08:00
parent 2deef0d6dd
commit 7a9d98b194
2 changed files with 6 additions and 8 deletions
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7
src/util/base64stream.cc
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@ -7,14 +7,14 @@ using std::ostream;
ostream & base64stream::dumpto(ostream & out) ostream & base64stream::dumpto(ostream & out)
{ {
unsigned char buf[3]; unsigned char buf[3];
while(in.read((char*)buf, 3)) while(in->read((char*)buf, 3))
{ {
out << base64_encoding[(buf[0] & 0xfc)>>2] out << base64_encoding[(buf[0] & 0xfc)>>2]
<< base64_encoding[((buf[0] & 0x03)<<4) | ((buf[1] & 0xf0)>>4)] << base64_encoding[((buf[0] & 0x03)<<4) | ((buf[1] & 0xf0)>>4)]
<< base64_encoding[((buf[1] & 0x0f)<<2) | ((buf[2] & 0xc0)>>6)] << base64_encoding[((buf[1] & 0x0f)<<2) | ((buf[2] & 0xc0)>>6)]
<< base64_encoding[(buf[2] & 0x3f)]; << base64_encoding[(buf[2] & 0x3f)];
} }
auto cnt = in.gcount(); auto cnt = in->gcount();
if(cnt > 0) if(cnt > 0)
{ {
for(int i = cnt; i < 3; ++i) for(int i = cnt; i < 3; ++i)
@ -39,7 +39,6 @@ ostream & base64stream::dumpto(ostream & out)
const char * base64stream::base64_encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; const char * base64stream::base64_encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
ostream & operator << (ostream & out, base64stream & bf) { return bf.dumpto(out); } ostream & operator << (ostream & out, base64stream bf) { return bf.dumpto(out); }
ostream & operator << (ostream & out, base64stream && bf) { return bf.dumpto(out); }
} //namespace pdf2htmlEX } //namespace pdf2htmlEX

7
src/util/base64stream.h
View File

@ -15,17 +15,16 @@ namespace pdf2htmlEX {
class base64stream class base64stream
{ {
public: public:
base64stream(std::istream & in) : in(in) { } base64stream(std::istream & in) : in(&in) { }
std::ostream & dumpto(std::ostream & out); std::ostream & dumpto(std::ostream & out);
private: private:
std::istream & in; std::istream * in;
static const char * base64_encoding; static const char * base64_encoding;
}; };
std::ostream & operator << (std::ostream & out, base64stream & bf); std::ostream & operator << (std::ostream & out, base64stream bf);
std::ostream & operator << (std::ostream & out, base64stream && bf);
} //namespace pdf2htmlEX } //namespace pdf2htmlEX
#endif //BASE64STREAM_H__ #endif //BASE64STREAM_H__