1 files changed, 319 insertions, 0 deletions
diff --git a/libmail/headers.C b/libmail/headers.C
new file mode 100644
index 0000000..813056c
--- /dev/null
+++ b/libmail/headers.C
@@ -0,0 +1,319 @@
+/*
+** Copyright 2004, Double Precision Inc.
+**
+** See COPYING for distribution information.
+*/
+#include "libmail_config.h"
+#include "rfcaddr.H"
+#include "headers.H"
+#include "rfc2047encode.H"
+#include "rfc2047decode.H"
+#include "rfc2045/rfc2045.h"
+#include <errno.h>
+
+using namespace std;
+
+mail::Header::~Header()
+{
+}
+
+string mail::Header::wrap(string s) const
+{
+	string ws=name + ": ";
+	size_t init_offset=ws.size();
+	size_t offset=init_offset;
+	string::iterator b=s.begin(), e=s.end();
+	bool first=true;
+
+	while (b != e)
+	{
+		string::iterator c=b;
+
+		while (c != e)
+		{
+			if (*c != ' ' && *c != '\t')
+				break;
+			++c;
+		}
+
+		while (c != e)
+		{
+			if (*c == ' ' || *c == '\t')
+				break;
+			++c;
+		}
+
+		if (c-b + offset > 76 && !first)
+		{
+			while (b != c && (*b == ' ' || *b == '\t'))
+				++b;
+			if (b == e)
+				break;
+
+			ws += "\n";
+			ws.insert(ws.end(), init_offset, ' ');
+			offset=init_offset;
+		}
+		ws.insert(ws.end(), b, c);
+		offset += c-b;
+		b=c;
+		first=false;
+	}
+	return ws;
+}
+
+mail::Header::plain::~plain()
+{
+}
+
+mail::Header *mail::Header::plain::clone() const
+{
+	mail::Header::plain *c=new plain(name, text);
+
+	if (!c)
+		throw strerror(errno);
+	return c;
+}
+
+string mail::Header::plain::toString() const
+{
+	return wrap(text);
+}
+
+string mail::Header::encoded::encode(string text, string charset, string lang)
+{
+	if (lang.size() > 0)
+		charset += "*" + lang;
+
+	return mail::rfc2047::encode(text, charset);
+}
+
+mail::Header::encoded::encoded(string name,
+			       string text, string charset, string lang)
+	: Header::plain(name, encode(text, charset, lang))
+{
+}
+
+mail::Header::encoded::~encoded()
+{
+}
+
+mail::Header::addresslist::addresslist(string name)
+	: mail::Header(name)
+{
+}
+
+mail::Header::addresslist::addresslist(string name,
+				       const std::vector<mail::emailAddress>
+				       &addressesArg)
+	: mail::Header(name), addresses(addressesArg)
+{
+}
+
+mail::Header::addresslist::~addresslist()
+{
+}
+
+mail::Header *mail::Header::addresslist::clone() const
+{
+	mail::Header::addresslist *c=new addresslist(name, addresses);
+
+	if (!c)
+		throw strerror(errno);
+	return c;
+}
+
+std::string mail::Header::addresslist::toString() const
+{
+	return mail::address::toString(name + ": ",
+				       addresses);
+}
+
+mail::Header::mime::mime(string name)
+	: mail::Header(name)
+{
+}
+
+mail::Header::mime::mime(string name, string valueArg)
+	: mail::Header(name), value(valueArg)
+{
+}
+
+mail::Header::mime mail::Header::mime::fromString(string header)
+{
+	size_t n=header.find(':');
+
+	if (n != std::string::npos)
+		++n;
+	else
+		n=header.size();
+
+	mime m(header.substr(0, n));
+
+	header=header.substr(n);
+
+	rfc2045_parse_mime_header(header.c_str(), cb_type, cb_param, &m);
+	return m;
+}
+
+void mail::Header::mime::cb_type(const char *t, void *void_arg)
+{
+	mail::Header::mime *a=(mail::Header::mime *)void_arg;
+
+	a->value=t;
+	mail::upper(a->value);
+}
+
+void mail::Header::mime::cb_param(const char *name,
+				  const char *value,
+				  void *void_arg)
+{
+	mail::Header::mime *a=(mail::Header::mime *)void_arg;
+
+	string n=name;
+
+	mail::upper(n);
+
+	if (!a->parameters.exists(name))
+		a->parameters.set_simple(name, value);
+}
+
+mail::Header::mime::~mime()
+{
+}
+
+string mail::Header::mime::toString() const
+{
+	string h=name + ": " + value;
+	size_t init_offset=name.size()+2;
+
+	const_parameter_iterator b=begin();
+	const_parameter_iterator e=end();
+
+	size_t offset=h.size();
+
+	while (b != e)
+	{
+		string w=b->first;
+		string s=b->second;
+
+		string::iterator sb=s.begin(), se=s.end();
+
+		if (sb != se)
+			w += "=";
+
+		while (sb != se)
+		{
+			if (!strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789?*+-/=_", *sb))
+				break;
+			++sb;
+		}
+
+		if (sb == se)
+		{
+			w += s;
+		}
+		else
+		{
+			w += "\"";
+
+			string::iterator p=s.begin();
+
+			for (sb=p; sb != se; sb++)
+			{
+				if (*sb == '\\' || *sb == '"')
+				{
+					w += string(p, sb) + "\\";
+					w += *sb;
+					p=sb+1;
+				}
+			}
+			w += string(p, sb);
+			w += "\"";
+		}
+
+		if (offset + w.size() > 74)
+		{
+			h += ";\n";
+			h.insert(h.end(), init_offset, ' ');
+			offset=init_offset;
+		}
+		else
+		{
+			h += "; ";
+			offset += 2;
+		}
+		h += w;
+		offset += w.size();
+		++b;
+	}
+	return h;
+}
+
+mail::Header *mail::Header::mime::clone() const
+{
+	mail::Header::mime *c=new mime(name, value);
+
+	if (!c)
+		throw strerror(errno);
+	c->parameters=parameters;
+	return c;
+}
+
+mail::Header::listitem::listitem(const listitem &hArg)
+	: h(hArg.h->clone())
+{
+}
+
+mail::Header::listitem::listitem(const mail::Header &hArg)
+	: h(hArg.clone())
+{
+}
+
+mail::Header::listitem::~listitem()
+{
+	delete h;
+}
+
+mail::Header::listitem &mail::Header::listitem::operator=(const listitem &hArg)
+{
+	Header *p=hArg.h->clone();
+
+	delete h;
+	h=p;
+	return *this;
+}
+
+mail::Header::listitem &mail::Header::listitem::operator=(const Header &hArg)
+{
+	Header *p=hArg.clone();
+
+	delete h;
+	h=p;
+	return *this;
+}
+
+mail::Header::list::list()
+{
+}
+
+mail::Header::list::~list()
+{
+}
+
+mail::Header::list::operator string() const
+{
+	string h;
+
+	const_iterator b=begin();
+	const_iterator e=end();
+
+	while (b != e)
+	{
+		const Header &hh= *b;
+		h += hh.toString();
+		h += "\n";
+		++b;
+	}
+	return h;
+}