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Diffstat (limited to 'support/nlatexdb/nlatexdb/Processer.cs')
-rw-r--r-- | support/nlatexdb/nlatexdb/Processer.cs | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/support/nlatexdb/nlatexdb/Processer.cs b/support/nlatexdb/nlatexdb/Processer.cs new file mode 100644 index 0000000000..0935cb2c1e --- /dev/null +++ b/support/nlatexdb/nlatexdb/Processer.cs @@ -0,0 +1,516 @@ +// nlatexdb Version 0.03 +// Database Access in LaTeX +// Copyright (C) 2011 Robin Höns, Integranova GmbH +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// +// For more information see the web page http://hoens.net/robin + + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.IO; + + + +namespace nlatexdb +{ + class Processer + { + public Processer() + { + m_verbosity = 0; + m_encoding = Encoding.GetEncoding(1252); + m_commandlineargs = new List<string>(); + + m_activecommand = null; + m_cmds = new List<CommandParser>(); + m_cmds.Add(new CommandParser("texdbconnectionnet", 2, false, texdbconnection)); + m_cmds.Add(new CommandParser("texdbdef", 3, false, texdbdef)); + m_cmds.Add(new CommandParser("texdbfor", 2, true, texdbfor)); + m_cmds.Add(new CommandParser("texdbforfile", 3, true, texdbforfile)); + m_cmds.Add(new CommandParser("texdbif", 2, true, texdbif)); + m_cmds.Add(new CommandParser("texdbcommand", 1, false, texdbcommand)); + + m_qrys = new Dictionary<string, SqlQuery>(); + m_varvalues = new Dictionary<string, SqlQueryVar>(); + m_latexpostprocess_wholefile = true; + + m_cmdlineargvarprefix = "##"; + + SqlQueryVar.ClearLatexReplace(); + SqlQueryVar.AddLatexReplace('\\', @"\ensuremath{\backslash}"); + SqlQueryVar.AddLatexReplace('_', @"\_"); + SqlQueryVar.AddLatexReplace('$', @"\$"); + SqlQueryVar.AddLatexReplace('&', @"\&"); + SqlQueryVar.AddLatexReplace('#', @"\#"); + SqlQueryVar.AddLatexReplace('{', @"\{"); + SqlQueryVar.AddLatexReplace('}', @"\}"); + SqlQueryVar.AddLatexReplace('~', @"\~{}"); + SqlQueryVar.AddLatexReplace('%', @"\%"); + + + ReadAppConfig(); + } + + private void ReadAppConfig() + { + NlatexdbSettings settings = System.Configuration.ConfigurationManager.GetSection("NlatexdbSettings") + as NlatexdbSettings; + if (settings != null) + { + string cmdl2 = settings.CmdLineArgumentVarPrefix; + if (!String.IsNullOrEmpty(cmdl2)) + { + m_cmdlineargvarprefix = cmdl2; + Debug("prefix: {0}", cmdl2); + } + + string regexsplitter = settings.RegexSplitter; + if (!String.IsNullOrEmpty(regexsplitter)) + { + SqlQueryVar.SetRegexSplitter(regexsplitter); + } + + string varsplitter = settings.VariableSplitter; + if (!String.IsNullOrEmpty(varsplitter)) + { + SqlQuery.SetVariableSplitter(varsplitter); + } + + LatexCharReplaceCollection lrcoll = settings.LatexCharReplaceItems; + foreach (LatexCharReplaceElement lrelem in lrcoll) + { + Debug("replace: {0} by: {1}", lrelem.Char[0], lrelem.Replace); + SqlQueryVar.AddLatexReplace(lrelem.Char[0], lrelem.Replace); + } + } + } + + public void setInpath(string path) + { + m_inpath = path; + } + public void setOutpath(string path) + { + m_outpath = path; + } + public void setLatexbefehl(string befehl) + { + m_latexbefehl = befehl; + } + public void setEncoding(string enc) + { + if (enc.Equals("utf-8", StringComparison.InvariantCultureIgnoreCase)) + { + m_encoding = new UTF8EncodingWithoutPreamble(); + } + else + { + try + { + m_encoding = Encoding.GetEncoding(enc); + } + catch (Exception ex) + { + Console.WriteLine(ex.Message); + Debug(ex.ToString()); + } + } + } + + public void incVerbosity() + { + m_verbosity++; + } + + public void addCmdlineArg(string arg) + { + m_commandlineargs.Add(arg); + string key = m_cmdlineargvarprefix + m_commandlineargs.Count.ToString(); + m_varvalues[key] = new SqlQueryVar(key, arg); +; + } + + public int Go() + { + int ergebnis = 0; + try + { + if (String.IsNullOrEmpty(m_inpath)) + { + throw new Exception("No input file given!"); + } + + string outpath = m_outpath; + if (String.IsNullOrEmpty(outpath)) + { + outpath = m_inpath.Replace(".tex", "1.tex"); + if (String.IsNullOrEmpty(outpath)) + { + outpath = String.Concat(m_inpath, "1"); + } + } + + using (StreamReader sr = new StreamReader(m_inpath, m_encoding)) + { + try + { + OpenOutstream(outpath); + + string line; + while ((line = sr.ReadLine()) != null) + { + HandleLine(line); + } + } + finally + { + CloseOutstream(); + } + } + + LatexPostprocess(outpath, true); + + + } + catch (Exception ex) + { + Console.WriteLine(ex.Message); + Debug(ex.ToString()); + ergebnis = 1; + } + finally + { + if (m_conn != null) + { + try + { + m_conn.Close(); + } + catch + { + } + } + + if (m_outstream != null) + { + try + { + m_outstream.Close(); + } + catch + { + } + } + } + return ergebnis; + } + + public void OpenOutstream(string outpath) + { + CloseOutstream(); // just in case + System.IO.FileStream outstream = + new System.IO.FileStream(outpath, System.IO.FileMode.Create, System.IO.FileAccess.Write); + m_outstream = new System.IO.StreamWriter(outstream, m_encoding); + } + + public void CloseOutstream() + { + if (m_outstream != null) + { + m_outstream.Close(); + m_outstream=null; + } + } + + public void LatexPostprocess(string texinputpath, bool renametoinpath) + { + if (renametoinpath && !m_latexpostprocess_wholefile) + { + // If there was a \texdbforfile command, don't postprocess the + // top file: It is expected to be empty. + return; + } + + if (!String.IsNullOrEmpty(m_latexbefehl)) + { + System.Diagnostics.Process p = new System.Diagnostics.Process(); + p.StartInfo.FileName = m_latexbefehl; + p.StartInfo.CreateNoWindow = true; + p.StartInfo.Arguments = texinputpath; + p.Start(); + p.WaitForExit(); + + + string extension = null; + if (m_latexbefehl.Equals("latex")) + { + extension = "dvi"; + } + else if (m_latexbefehl.Equals("pdflatex")) + { + extension = "pdf"; + } + + if (renametoinpath && !String.IsNullOrEmpty(extension)) + { + string filefromlatex = System.IO.Path.ChangeExtension(texinputpath, extension); + string filetorename = System.IO.Path.ChangeExtension(m_inpath, extension); + System.IO.File.Delete(filetorename); + System.IO.File.Move(filefromlatex, filetorename); + } + + + } + + } + + public void ListProviders() + { + System.Data.DataTable providers = System.Data.Common.DbProviderFactories.GetFactoryClasses(); + foreach (System.Data.DataRow provider in providers.Rows) + { + foreach (System.Data.DataColumn c in providers.Columns) + Console.WriteLine(c.ColumnName + ":" + provider[c]); + Console.WriteLine("---"); + } + } + + +// private void HandleLineUnlessEmpty(string line) +// { +// if (!String.IsNullOrEmpty(line)) +// { +// HandleLine(line); +// } +// } + + private void HandleRestOfLine(string line, int hintercmd) + { + if (hintercmd >= 0 && hintercmd < line.Length) + { + HandleLine(line.Substring(hintercmd)); + } + } + + public void HandleLine(string line) + { + if (m_activecommand != null) + { + // Aha, ein Kommando ist aktiv. Sammele die Zeilen. + int hintercmd = m_activecommand.ProcessLine(line); + HandleRestOfLine(line, hintercmd); + return; + } + + // Erstmal schauen nach Kommentar + int prozentsuche = 0; + int prozentindex = -1; + while (prozentsuche >= 0) + { + prozentindex = line.IndexOf('%', prozentsuche); + if (prozentindex > 0 && line[prozentindex - 1] == '\\') + { + // Dieses % ist auskommentiert. Dahinter weitersuchen. + prozentsuche = prozentindex + 1; + prozentindex = -1; + } + else + { + break; + } + } + + int firstcommandindex = line.Length + 1; + foreach (CommandParser c in m_cmds) + { + int cmdindex = c.FirstIndexIn(line, prozentindex); + if (cmdindex >= 0 && cmdindex < firstcommandindex) + { + m_activecommand = c; + firstcommandindex = cmdindex; + } + } + + if (m_activecommand != null) + { + // Aha, Kommando gefunden. + if (firstcommandindex > 0) + { + // Da ist noch Text davor. + HandleLine(line.Substring(0, firstcommandindex)); + } + + // Rufe Kommando auf. Bzw. erstmal die Klammern suchen. + int hintercmd = m_activecommand.StartProcess(line, firstcommandindex); + HandleRestOfLine(line, hintercmd); + } + else + { + // Kein Kommando in dieser Zeile. Einfach ausgeben. Erst aber Variablen einfügen. + line = VariablenEinfuegen(line); + m_outstream.WriteLine(line); + } + } + + public string VariablenEinfuegen(string inputline) + { + string line = inputline; + foreach (KeyValuePair<string, SqlQueryVar> var in m_varvalues) + { + line = line.Replace(var.Key, var.Value.getValueLatex()); + } + return line; + } + + private string listtostr(List<string> lines) + { + StringBuilder sb = new StringBuilder(); + foreach (string s in lines) + { + if (sb.Length > 0) + { + sb.Append(" "); + } + sb.Append(s); + } + return sb.ToString(); + } + + private void texdbconnection(List<List<string>> pars) + { + m_activecommand = null; + string provider = listtostr(pars[0]); + string connstring = listtostr(pars[1]); + Debug("texdbconnection provider: {0} connstring: {1}", provider, connstring); + System.Data.Common.DbProviderFactory dbfac = System.Data.Common.DbProviderFactories.GetFactory(provider); + m_conn = dbfac.CreateConnection(); + m_conn.ConnectionString = connstring; + m_conn.Open(); + } + + private void texdbdef(List<List<string>> pars) + { + m_activecommand = null; + string queryname = listtostr(pars[0]); + string querytext = listtostr(pars[1]); + string queryvars = listtostr(pars[2]); + Debug("texdbdef name: {0} sql: {1} vars: {2}", queryname, querytext, queryvars); + m_qrys.Add(queryname, new SqlQuery(querytext, queryvars)); + } + + private void texdbfor(List<List<string>> pars) + { + m_activecommand = null; + string queryname = listtostr(pars[0]); + List<string> texstuff = pars[1]; + Debug("texdbfor query: {0} tex lines: {1}", queryname, texstuff.Count); + SqlQuery qry = m_qrys[queryname]; + if (qry == null) + { + throw new Exception("Query " + queryname + " not found"); + } + qry.Execute(texstuff, m_conn, m_varvalues, this, null); + } + + private void texdbforfile(List<List<string>> pars) + { + m_activecommand = null; + m_latexpostprocess_wholefile = false; + string queryname = listtostr(pars[0]); + string filepattern = listtostr(pars[1]); + List<string> texstuff = pars[2]; + Debug("texdbforfile query: {0} filepattern: {1} tex lines: {2}", queryname, filepattern, texstuff.Count); + SqlQuery qry = m_qrys[queryname]; + if (qry == null) + { + throw new Exception("Query " + queryname + " not found"); + } + qry.Execute(texstuff, m_conn, m_varvalues, this, filepattern); + } + + private void texdbif(List<List<string>> pars) + { + m_activecommand = null; + string queryname = listtostr(pars[0]); + List<string> texstuff = pars[1]; + Debug("texdbif query: {0} tex lines: {1}", queryname, texstuff.Count); + SqlQuery qry = m_qrys[queryname]; + if (qry == null) + { + throw new Exception("Query " + queryname + " not found"); + } + qry.ExecuteIf(texstuff, m_conn, m_varvalues, this); + } + + private void texdbcommand(List<List<string>> pars) + { + m_activecommand = null; + string cmd = listtostr(pars[0]); + Debug("texdbcommand sql: {0}", cmd); + using (System.Data.Common.DbCommand comm = m_conn.CreateCommand()) + { + comm.CommandText = cmd; + comm.ExecuteNonQuery(); + } + } + + public static void Debug(string format, params object[] pars) + { + if (m_verbosity >= 1) + { + Console.WriteLine(format, pars); + } + } + + private string m_cmdlineargvarprefix; + + private static int m_verbosity = 0; + private string m_outpath; + private string m_latexbefehl; + private bool m_latexpostprocess_wholefile; + private Encoding m_encoding; + private string m_inpath; + private List<string> m_commandlineargs; + private System.Data.Common.DbConnection m_conn; + + private List<CommandParser> m_cmds; + private CommandParser m_activecommand; + private System.IO.StreamWriter m_outstream; + + private System.Collections.Generic.Dictionary<string, SqlQuery> m_qrys; + private System.Collections.Generic.Dictionary<string, SqlQueryVar> m_varvalues; + + } +} + + +// Latex can't handle the BOM (EF BB BF) that is prepended to UTF-8 by default. +// So here's a UTF-8 encoding without BOM. + +public class UTF8EncodingWithoutPreamble : System.Text.UTF8Encoding +{ + public static UTF8EncodingWithoutPreamble Instance = new + UTF8EncodingWithoutPreamble(); + + private static byte[] _preamble = new byte[0]; + + public override byte[] GetPreamble() + { + return _preamble; + } +} |