~ruther/guix-local

75abbd0cbe2c42f07fa104f97bd206891eb576ef — Ludovic Courtès 9 years ago 23aab4a
daemon: Remove unused XML output code.

* nix/local.mk (libutil_a_SOURCES): Remove libutil/xml-writer.cc.
(libutil_headers): Remove libutil/xml-writer.hh.
* nix/libutil/xml-writer.hh, nix/libutil/xml-writer.cc: Remove.
3 files changed, 0 insertions(+), 165 deletions(-)

D nix/libutil/xml-writer.cc
D nix/libutil/xml-writer.hh
M nix/local.mk
D nix/libutil/xml-writer.cc => nix/libutil/xml-writer.cc +0 -94
@@ 1,94 0,0 @@
#include <assert.h>

#include "xml-writer.hh"


namespace nix {
    

XMLWriter::XMLWriter(bool indent, std::ostream & output)
    : output(output), indent(indent)
{
    output << "<?xml version='1.0' encoding='utf-8'?>" << std::endl;
    closed = false;
}


XMLWriter::~XMLWriter()
{
    close();
}


void XMLWriter::close()
{
    if (closed) return;
    while (!pendingElems.empty()) closeElement();
    closed = true;
}


void XMLWriter::indent_(unsigned int depth)
{
    if (!indent) return;
    output << string(depth * 2, ' ');
}


void XMLWriter::openElement(const string & name,
    const XMLAttrs & attrs)
{
    assert(!closed);
    indent_(pendingElems.size());
    output << "<" << name;
    writeAttrs(attrs);
    output << ">";
    if (indent) output << std::endl;
    pendingElems.push_back(name);
}


void XMLWriter::closeElement()
{
    assert(!pendingElems.empty());
    indent_(pendingElems.size() - 1);
    output << "</" << pendingElems.back() << ">";
    if (indent) output << std::endl;
    pendingElems.pop_back();
    if (pendingElems.empty()) closed = true;
}


void XMLWriter::writeEmptyElement(const string & name,
    const XMLAttrs & attrs)
{
    assert(!closed);
    indent_(pendingElems.size());
    output << "<" << name;
    writeAttrs(attrs);
    output << " />";
    if (indent) output << std::endl;
}


void XMLWriter::writeAttrs(const XMLAttrs & attrs)
{
    for (XMLAttrs::const_iterator i = attrs.begin(); i != attrs.end(); ++i) {
        output << " " << i->first << "=\"";
        for (unsigned int j = 0; j < i->second.size(); ++j) {
            char c = i->second[j];
            if (c == '"') output << "&quot;";
            else if (c == '<') output << "&lt;";
            else if (c == '>') output << "&gt;";
            else if (c == '&') output << "&amp;";
            /* Escape newlines to prevent attribute normalisation (see
               XML spec, section 3.3.3. */
            else if (c == '\n') output << "&#xA;";
            else output << c;
        }
        output << "\"";
    }
}


}

D nix/libutil/xml-writer.hh => nix/libutil/xml-writer.hh +0 -69
@@ 1,69 0,0 @@
#pragma once

#include <iostream>
#include <string>
#include <list>
#include <map>


namespace nix {

using std::string;
using std::map;
using std::list;


typedef map<string, string> XMLAttrs;


class XMLWriter
{
private:

    std::ostream & output;

    bool indent;
    bool closed;

    list<string> pendingElems;

public:

    XMLWriter(bool indent, std::ostream & output);
    ~XMLWriter();

    void close();

    void openElement(const string & name,
        const XMLAttrs & attrs = XMLAttrs());
    void closeElement();

    void writeEmptyElement(const string & name,
        const XMLAttrs & attrs = XMLAttrs());

private:
    void writeAttrs(const XMLAttrs & attrs);

    void indent_(unsigned int depth);
};


class XMLOpenElement
{
private:
    XMLWriter & writer;
public:
    XMLOpenElement(XMLWriter & writer, const string & name,
        const XMLAttrs & attrs = XMLAttrs())
        : writer(writer)
    {
        writer.openElement(name, attrs);
    }
    ~XMLOpenElement()
    {
        writer.closeElement();
    }
};


}

M nix/local.mk => nix/local.mk +0 -2
@@ 55,7 55,6 @@ libutil_a_SOURCES =				\
  %D%/libutil/affinity.cc			\
  %D%/libutil/serialise.cc			\
  %D%/libutil/util.cc				\
  %D%/libutil/xml-writer.cc			\
  %D%/libutil/hash.cc				\
  %D%/libutil/gcrypt-hash.cc



@@ 63,7 62,6 @@ libutil_headers =				\
  %D%/libutil/affinity.hh			\
  %D%/libutil/hash.hh				\
  %D%/libutil/serialise.hh			\
  %D%/libutil/xml-writer.hh			\
  %D%/libutil/util.hh				\
  %D%/libutil/archive.hh			\
  %D%/libutil/types.hh				\