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/*
** Copyright 2002, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#include "libmail_config.h"
#include "file.H"
#include "unicode/unicode.h"
#include <ctype.h>
using namespace std;
/////////////////////////////////////////////////////////////////////////////
mail::file::file(int fdArg, const char *mode)
: fd(dup(fdArg)), fp(NULL), pos(-1)
{
if (fd >= 0)
fp=fdopen(fd, mode);
if (fp && fseek(fp, 0L, SEEK_SET) < 0)
{
fclose(fp);
fp=NULL;
}
}
mail::file::~file()
{
if (fp != NULL)
fclose(fp);
if (fd >= 0)
close(fd);
}
void mail::file::seeked()
{
if (fp)
pos=ftell(fp);
}
string mail::file::getline()
{
// First time through, allocate a 1000 bye buffer.
if (buffer.size() != 1000)
{
buffer.clear();
buffer.insert(buffer.end(), 1000, 0);
}
string l;
for (;;)
{
vector<char>::iterator b=buffer.begin(), e=buffer.end();
while (b != e)
{
int ch=getc(fp);
if (ch == EOF)
break;
if (pos != -1)
pos++;
*b++ = ch;
if (ch == '\n')
break;
}
if (b == buffer.begin())
break; // EOF
if (b[-1] != '\n')
{
l.insert(l.end(), buffer.begin(), b);
continue;
}
--b;
l.insert(l.end(), buffer.begin(), b);
break;
}
size_t n=l.size();
if (n > 0 && l[n-1] == '\r')
l=l.substr(0, n-1);
return l;
}
void mail::file::genericMessageRead(mail::account *account,
size_t messageNumber,
mail::readMode readType,
mail::callback::message &callback)
{
ptr<mail::account> ptrAccount(account);
if (readType == mail::readHeadersFolded
|| readType == mail::readHeaders)
{
string hdr="";
string l;
while (!ptrAccount.isDestroyed() && !feof(fp) && !ferror(fp))
{
l=getline();
if (l.size() == 0)
break;
if (unicode_isspace((unsigned char)l[0]))
{
const char *p=l.c_str();
if (readType == mail::readHeaders)
hdr += "\n";
else // Fold headers
{
hdr += " ";
while (*p &&
unicode_isspace((unsigned char)
*p))
p++;
}
hdr += p;
continue;
}
if (hdr.size() > 0) // Prev header.
{
hdr += "\n";
callback.messageTextCallback(messageNumber,
hdr);
}
hdr=l;
}
if (hdr.size() > 0 && !ptrAccount.isDestroyed())
{
hdr += "\n";
callback.messageTextCallback(messageNumber, hdr);
}
return;
}
if (readType == mail::readContents)
// Skip over the header portion.
{
while (!feof(fp) && !ferror(fp))
{
if (getline().size() == 0)
break;
}
}
vector<char> buffer;
buffer.insert(buffer.end(), BUFSIZ, 0);
size_t i=0;
int ch;
while (!ptrAccount.isDestroyed() && (ch=getc(fp)) != EOF)
{
if (ch == '\r')
continue;
if (i >= buffer.size())
{
callback.messageTextCallback(messageNumber,
string(buffer.begin(),
buffer.end()));
i=0;
}
buffer[i++]=ch;
}
if (i > 0 && !ptrAccount.isDestroyed())
callback.messageTextCallback(messageNumber,
string(buffer.begin(),
buffer.begin()+i));
}
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