File: rev_output.cc

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// Copyright (C) 2010 Derek Scherger <derek@echologic.com>
//
// This program is made available under the GNU GPL version 2.0 or
// greater. See the accompanying file COPYING for details.
//
// This program is distributed WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE.

#include "base.hh"
#include <map>
#include <set>
#include <sstream>
#include <vector>

#include "cert.hh"
#include "cset.hh"
#include "dates.hh"
#include "project.hh"
#include "rev_output.hh"
#include "revision.hh"

using std::map;
using std::ostringstream;
using std::pair;
using std::set;
using std::string;
using std::vector;

void
revision_header(revision_id const rid, revision_t const & rev,
                string const & author, date_t const date,
                branch_name const & branch, utf8 const & changelog,
                string const & date_fmt, utf8 & header)
{
  vector<cert> certs;
  key_id empty_key;
  certs.push_back(cert(rid, author_cert_name, 
                       cert_value(author, origin::user), empty_key));
  certs.push_back(cert(rid, date_cert_name, 
                       cert_value(date.as_iso_8601_extended(), origin::user),
                       empty_key));
  certs.push_back(cert(rid, branch_cert_name, 
                       cert_value(branch(), origin::user), empty_key));

  if (!changelog().empty())
    certs.push_back(cert(rid, changelog_cert_name, 
                         cert_value(changelog(), origin::user), empty_key));

  revision_header(rid, rev, certs, date_fmt, header);
}

void
revision_header(revision_id const rid, revision_t const & rev,
                vector<cert> const & certs, string const & date_fmt,
                utf8 & header)
{
  ostringstream out;

  out << string(70, '-') << '\n'
      << _("Revision: ") << rid << '\n';

  for (edge_map::const_iterator i = rev.edges.begin(); i != rev.edges.end(); ++i)
    {
      revision_id parent = edge_old_revision(*i);
      if (!null_id(parent))
        out << _("Parent:   ") << parent << '\n';
    }

  cert_name const author(author_cert_name);
  cert_name const date(date_cert_name);
  cert_name const branch(branch_cert_name);
  cert_name const tag(tag_cert_name);
  cert_name const changelog(changelog_cert_name);
  cert_name const comment(comment_cert_name);

  for (vector<cert>::const_iterator i = certs.begin(); i != certs.end(); ++i)
    if (i->name == author)
      out << _("Author:   ") << i->value << '\n';

  for (vector<cert>::const_iterator i = certs.begin(); i != certs.end(); ++i)
    if (i->name == date)
      {
        if (date_fmt.empty())
          out << _("Date:     ") << i->value << '\n';
        else
          {
            date_t date(i->value());
            out << _("Date:     ") << date.as_formatted_localtime(date_fmt) << '\n';
          }
      }

  for (vector<cert>::const_iterator i = certs.begin(); i != certs.end(); ++i)
    if (i->name == branch)
      out << _("Branch:   ") << i->value << '\n';

  for (vector<cert>::const_iterator i = certs.begin(); i != certs.end(); ++i)
    if (i->name == tag)
      out << _("Tag:      ") << i->value << '\n';

  out << "\n";

  for (vector<cert>::const_iterator i = certs.begin(); i != certs.end(); ++i)
    if (i->name == changelog)
      {
        out << _("Changelog: ") << "\n\n" << i->value << '\n';
        if (!i->value().empty() && i->value()[i->value().length()-1] != '\n')
          out << '\n';
      }

  for (vector<cert>::const_iterator i = certs.begin(); i != certs.end(); ++i)
    if (i->name == comment)
      {
        out << _("Comments: ") << "\n\n" << i->value << '\n';
        if (!i->value().empty() && i->value()[i->value().length()-1] != '\n')
          out << '\n';
      }

  header = utf8(out.str(), origin::internal);
}

void
revision_summary(revision_t const & rev, utf8 & summary)
{
  // We intentionally do not collapse the final \n into the format
  // strings here, for consistency with newline conventions used by most
  // other format strings.

  ostringstream out;
  revision_id rid;
  calculate_ident(rev, rid);

  for (edge_map::const_iterator i = rev.edges.begin(); i != rev.edges.end(); ++i)
    {
      revision_id parent = edge_old_revision(*i);
      cset const & cs = edge_changes(*i);

      // A colon at the end of this string looked nicer, but it made
      // double-click copying from terminals annoying.
      if (null_id(parent))
        out << _("Changes") << "\n\n";
      else
        out << _("Changes against parent ") << parent << "\n\n";

      // presumably a merge rev could have an empty edge if one side won
      if (cs.empty())
        out << _("no changes") << '\n';

      for (set<file_path>::const_iterator i = cs.nodes_deleted.begin();
            i != cs.nodes_deleted.end(); ++i)
        out << (F("  dropped  %s") %*i) << '\n';

      for (map<file_path, file_path>::const_iterator
            i = cs.nodes_renamed.begin();
            i != cs.nodes_renamed.end(); ++i)
        out << (F("  renamed  %s\n"
                  "       to  %s") % i->first % i->second) << '\n';

      for (set<file_path>::const_iterator i = cs.dirs_added.begin();
            i != cs.dirs_added.end(); ++i)
        out << (F("  added    %s") % *i) << '\n';

      for (map<file_path, file_id>::const_iterator i = cs.files_added.begin();
            i != cs.files_added.end(); ++i)
        out << (F("  added    %s") % i->first) << '\n';

      for (map<file_path, pair<file_id, file_id> >::const_iterator
              i = cs.deltas_applied.begin(); i != cs.deltas_applied.end(); ++i)
        out << (F("  patched  %s") % i->first) << '\n';

      for (map<pair<file_path, attr_key>, attr_value >::const_iterator
             i = cs.attrs_set.begin(); i != cs.attrs_set.end(); ++i)
        out << (F("  attr on  %s\n"
                  "      set  %s\n"
                  "       to  %s")
                % i->first.first % i->first.second % i->second) << '\n';

      // FIXME: naming here could not be more inconsistent
      // the cset calls it attrs_cleared
      // the command is attr drop
      // here it is called unset
      // the revision text uses attr clear 

      for (set<pair<file_path, attr_key> >::const_iterator
             i = cs.attrs_cleared.begin(); i != cs.attrs_cleared.end(); ++i)
        out << (F("  attr on  %s\n"
                  "    unset  %s") % i->first % i->second) << '\n';

      out << '\n';
    }
  summary = utf8(out.str(), origin::internal);
}

// Local Variables:
// mode: C++
// fill-column: 76
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
// vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s: