Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 384 insertions, 0 deletions

diff --git a/unit/atf-src/tools/parser.cpp b/unit/atf-src/tools/parser.cpp
new file mode 100644
index 0000000..e6b3a3b
--- /dev/null
+++ b/unit/atf-src/tools/parser.cpp
@@ -0,0 +1,384 @@
+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2007 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include <cassert>
+#include <sstream>
+
+#include "parser.hpp"
+#include "text.hpp"
+
+namespace impl = tools::parser;
+#define IMPL_NAME "tools::parser"
+
+// ------------------------------------------------------------------------
+// The "parse_error" class.
+// ------------------------------------------------------------------------
+
+impl::parse_error::parse_error(size_t line, std::string msg) :
+    std::runtime_error(msg),
+    std::pair< size_t, std::string >(line, msg)
+{
+}
+
+impl::parse_error::~parse_error(void)
+    throw()
+{
+}
+
+const char*
+impl::parse_error::what(void)
+    const throw()
+{
+    try {
+        std::ostringstream oss;
+        oss << "LONELY PARSE ERROR: " << first << ": " << second;
+        m_msg = oss.str();
+        return m_msg.c_str();
+    } catch (...) {
+        return "Could not format message for parsing error.";
+    }
+}
+
+impl::parse_error::operator std::string(void)
+    const
+{
+    return tools::text::to_string(first) + ": " + second;
+}
+
+// ------------------------------------------------------------------------
+// The "parse_errors" class.
+// ------------------------------------------------------------------------
+
+impl::parse_errors::parse_errors(void) :
+    std::runtime_error("No parsing errors yet")
+{
+    m_msg.clear();
+}
+
+impl::parse_errors::~parse_errors(void)
+    throw()
+{
+}
+
+const char*
+impl::parse_errors::what(void)
+    const throw()
+{
+    try {
+        m_msg = tools::text::join(*this, "\n");
+        return m_msg.c_str();
+    } catch (...) {
+        return "Could not format messages for parsing errors.";
+    }
+}
+
+// ------------------------------------------------------------------------
+// The "format_error" class.
+// ------------------------------------------------------------------------
+
+impl::format_error::format_error(const std::string& w) :
+    std::runtime_error(w.c_str())
+{
+}
+
+// ------------------------------------------------------------------------
+// The "token" class.
+// ------------------------------------------------------------------------
+
+impl::token::token(void) :
+    m_inited(false)
+{
+}
+
+impl::token::token(size_t p_line,
+                   const token_type& p_type,
+                   const std::string& p_text) :
+    m_inited(true),
+    m_line(p_line),
+    m_type(p_type),
+    m_text(p_text)
+{
+}
+
+size_t
+impl::token::lineno(void)
+    const
+{
+    return m_line;
+}
+
+const impl::token_type&
+impl::token::type(void)
+    const
+{
+    return m_type;
+}
+
+const std::string&
+impl::token::text(void)
+    const
+{
+    return m_text;
+}
+
+impl::token::operator bool(void)
+    const
+{
+    return m_inited;
+}
+
+bool
+impl::token::operator!(void)
+    const
+{
+    return !m_inited;
+}
+
+// ------------------------------------------------------------------------
+// The "header_entry" class.
+// ------------------------------------------------------------------------
+
+impl::header_entry::header_entry(void)
+{
+}
+
+impl::header_entry::header_entry(const std::string& n, const std::string& v,
+                                 attrs_map as) :
+    m_name(n),
+    m_value(v),
+    m_attrs(as)
+{
+}
+
+const std::string&
+impl::header_entry::name(void) const
+{
+    return m_name;
+}
+
+const std::string&
+impl::header_entry::value(void) const
+{
+    return m_value;
+}
+
+const impl::attrs_map&
+impl::header_entry::attrs(void) const
+{
+    return m_attrs;
+}
+
+bool
+impl::header_entry::has_attr(const std::string& n) const
+{
+    return m_attrs.find(n) != m_attrs.end();
+}
+
+const std::string&
+impl::header_entry::get_attr(const std::string& n) const
+{
+    attrs_map::const_iterator iter = m_attrs.find(n);
+    assert(iter != m_attrs.end());
+    return (*iter).second;
+}
+
+// ------------------------------------------------------------------------
+// The header tokenizer.
+// ------------------------------------------------------------------------
+
+namespace header {
+
+static const impl::token_type eof_type = 0;
+static const impl::token_type nl_type = 1;
+static const impl::token_type text_type = 2;
+static const impl::token_type colon_type = 3;
+static const impl::token_type semicolon_type = 4;
+static const impl::token_type dblquote_type = 5;
+static const impl::token_type equal_type = 6;
+
+class tokenizer : public impl::tokenizer< std::istream > {
+public:
+    tokenizer(std::istream& is, size_t curline) :
+        impl::tokenizer< std::istream >
+            (is, true, eof_type, nl_type, text_type, curline)
+    {
+        add_delim(';', semicolon_type);
+        add_delim(':', colon_type);
+        add_delim('=', equal_type);
+        add_quote('"', dblquote_type);
+    }
+};
+
+static
+impl::parser< header::tokenizer >&
+read(impl::parser< header::tokenizer >& p, impl::header_entry& he)
+{
+    using namespace header;
+
+    impl::token t = p.expect(text_type, nl_type, "a header name");
+    if (t.type() == nl_type) {
+        he = impl::header_entry();
+        return p;
+    }
+    std::string hdr_name = t.text();
+
+    t = p.expect(colon_type, "`:'");
+
+    t = p.expect(text_type, "a textual value");
+    std::string hdr_value = t.text();
+
+    impl::attrs_map attrs;
+
+    for (;;) {
+        t = p.expect(eof_type, semicolon_type, nl_type,
+                     "eof, `;' or new line");
+        if (t.type() == eof_type || t.type() == nl_type)
+            break;
+
+        t = p.expect(text_type, "an attribute name");
+        std::string attr_name = t.text();
+
+        t = p.expect(equal_type, "`='");
+
+        t = p.expect(text_type, "word or quoted string");
+        std::string attr_value = t.text();
+        attrs[attr_name] = attr_value;
+    }
+
+    he = impl::header_entry(hdr_name, hdr_value, attrs);
+
+    return p;
+}
+
+static
+std::ostream&
+write(std::ostream& os, const impl::header_entry& he)
+{
+    std::string line = he.name() + ": " + he.value();
+    impl::attrs_map as = he.attrs();
+    for (impl::attrs_map::const_iterator iter = as.begin(); iter != as.end();
+         iter++) {
+        assert((*iter).second.find('\"') == std::string::npos);
+        line += "; " + (*iter).first + "=\"" + (*iter).second + "\"";
+    }
+
+    os << line << "\n";
+
+    return os;
+}
+
+} // namespace header
+
+// ------------------------------------------------------------------------
+// Free functions.
+// ------------------------------------------------------------------------
+
+std::pair< size_t, impl::headers_map >
+impl::read_headers(std::istream& is, size_t curline)
+{
+    using impl::format_error;
+
+    headers_map hm;
+
+    //
+    // Grammar
+    //
+    // header = entry+ nl
+    // entry = line nl
+    // line = text colon text
+    //        (semicolon (text equal (text | dblquote string dblquote)))*
+    // string = quoted_string
+    //
+
+    header::tokenizer tkz(is, curline);
+    impl::parser< header::tokenizer > p(tkz);
+
+    bool first = true;
+    for (;;) {
+        try {
+            header_entry he;
+            if (!header::read(p, he).good() || he.name().empty())
+                break;
+
+            if (first && he.name() != "Content-Type")
+                throw format_error("Could not determine content type");
+            else
+                first = false;
+
+            hm[he.name()] = he;
+        } catch (const impl::parse_error& pe) {
+            p.add_error(pe);
+            p.reset(header::nl_type);
+        }
+    }
+
+    if (!is.good())
+        throw format_error("Unexpected end of stream");
+
+    return std::pair< size_t, headers_map >(tkz.lineno(), hm);
+}
+
+void
+impl::write_headers(const impl::headers_map& hm, std::ostream& os)
+{
+    assert(!hm.empty());
+    headers_map::const_iterator ct = hm.find("Content-Type");
+    assert(ct != hm.end());
+    header::write(os, (*ct).second);
+    for (headers_map::const_iterator iter = hm.begin(); iter != hm.end();
+         iter++) {
+        if ((*iter).first != "Content-Type")
+            header::write(os, (*iter).second);
+    }
+    os << "\n";
+}
+
+void
+impl::validate_content_type(const impl::headers_map& hm, const std::string& fmt,
+                            int version)
+{
+    using impl::format_error;
+
+    headers_map::const_iterator iter = hm.find("Content-Type");
+    if (iter == hm.end())
+        throw format_error("Could not determine content type");
+
+    const header_entry& he = (*iter).second;
+    if (he.value() != fmt)
+        throw format_error("Mismatched content type: expected `" + fmt +
+                           "' but got `" + he.value() + "'");
+
+    if (!he.has_attr("version"))
+        throw format_error("Could not determine version");
+    const std::string& vstr = tools::text::to_string(version);
+    if (he.get_attr("version") != vstr)
+        throw format_error("Mismatched version: expected `" +
+                           vstr + "' but got `" +
+                           he.get_attr("version") + "'");
+}