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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
commitbd6336c629841c6db3a6ca53a936d629d34db53b (patch)
tree3721ef997864108df175ce677a8a7d4342a6f1d2 /shared/parse_txt.cpp
parent4.0 (diff)
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4.1
Diffstat (limited to 'shared/parse_txt.cpp')
-rw-r--r--shared/parse_txt.cpp93
1 files changed, 0 insertions, 93 deletions
diff --git a/shared/parse_txt.cpp b/shared/parse_txt.cpp
deleted file mode 100644
index 56da3bdd..00000000
--- a/shared/parse_txt.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-#include "parse_txt.h"
-
-using namespace zen;
-
-
-namespace
-{
-std::string detectLineBreak(const Zstring& filename) //throw (FileError)
-{
- //read a (hopefully) significant portion of data
- zen::FileInput input(filename);
-
- std::vector<char> buffer(64 * 1024);
- size_t bytesRead = input.read(&buffer[0], buffer.size()); //throw (FileError);
- buffer.resize(bytesRead);
-
- //detect line break
- std::string linebreakChars = "\r\n";
- std::vector<char>::iterator iter = std::find_first_of(buffer.begin(), buffer.end(),
- linebreakChars.begin(), linebreakChars.end());
- if (iter != buffer.end())
- {
- wxString firstRow = wxString::FromUTF8(&buffer[0], iter - buffer.begin());
-
- if (*iter == '\r')
- {
- ++iter;
- if (iter != buffer.end())
- {
-
- if (*iter == '\n')
- return "\r\n"; //Windows
- else
- return "\r"; //Mac
- }
- }
- else if (*iter == '\n')
- return "\n"; //Linux
- }
- //fallback
- return "\n";
-}
-}
-
-
-ExtractLines::ExtractLines(const Zstring& filename, const std::string& lineBreak) : //throw (FileError)
- inputStream(filename), bufferLogBegin(buffer.begin()), lineBreak_(lineBreak)
-{
- if (lineBreak.empty())
- lineBreak_ = detectLineBreak(filename); //throw (FileError)
-}
-
-
-bool ExtractLines::getLine(std::string& output) //throw (FileError)
-{
- for (;;)
- {
- //check if full line is in buffer
- std::vector<char>::iterator iter = std::search(bufferLogBegin, buffer.end(), lineBreak_.begin(), lineBreak_.end());
- if (iter != buffer.end())
- {
- output.assign(bufferLogBegin, iter);
- bufferLogBegin = iter + lineBreak_.size();
- return true;
- }
-
- buffer.erase(buffer.begin(), bufferLogBegin);
- bufferLogBegin = buffer.begin();
-
- //if done: cleanup
- if (inputStream.eof())
- {
- if (buffer.empty())
- return false;
-
- output.assign(buffer.begin(), buffer.end());
- buffer.clear();
- return true;
- }
-
- //read next block
- const size_t BLOCK_SIZE = 512 * 1024;
- buffer.resize(buffer.size() + BLOCK_SIZE);
-
- size_t bytesRead = inputStream.read(&buffer[0] + buffer.size() - BLOCK_SIZE, BLOCK_SIZE); //throw (FileError);
- assert(bytesRead <= BLOCK_SIZE); //promised by FileInput()
-
- if (bytesRead < BLOCK_SIZE)
- buffer.resize(buffer.size() - (BLOCK_SIZE - bytesRead));
-
- bufferLogBegin = buffer.begin();
- }
-}
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