LAview.LaTeX-Struct/test/parse-test/ParseTest.vala

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using LAview;
public class Main : Object {
static string fname_table = "";
static string fname_etalon = "";
static string fname_write = "";
const OptionEntry [] options = {
{ "table", 't', 0, OptionArg.FILENAME, ref fname_table, "File with a table", null },
{ "etalon", 'e', 0, OptionArg.FILENAME, ref fname_etalon, "File with etalon table", null },
{ "write", 'w', 0, OptionArg.FILENAME, ref fname_write, "File to write", null },
{ null }
};
public static int main (string[] args) {
Intl.setlocale (LocaleCategory.ALL, "");
/* commandline arguments processing */
try {
var opt_context = new OptionContext ("- tests LaTeX parser");
opt_context.set_help_enabled (true);
opt_context.add_main_entries (options, null);
opt_context.parse (ref args);
} catch (OptionError e) {
stderr.printf ("error: %s\n", e.message);
stderr.printf ("Run '%s --help' to see a full list of available command line options.\n", args[0]);
return -1;
}
/* read table */
if (fname_table == null) {
stderr.printf ("Specify file with a table or read help (%s --help)", args[0]);
return -1;
}
/* load file contents */
string contents;
try {
FileUtils.get_contents (fname_table, out contents);
} catch (FileError e) {
stderr.printf ("error: %s\n", e.message);
return -1;
}
/* parse TeX */
Glob doc;
try {
doc = LAview.parse (contents);
stdout.printf ("TeX document successfully parsed\n");
} catch (Parsers.ParseError e) {
stderr.printf ("Error parsing TeX document: %s\n", e.message);
return -1;
}
/* list all objects */
stdout.printf ("list all objects\n");
foreach (var subdoc in doc) {
stdout.printf ("%s\n", subdoc.get_type ().name ());
if (subdoc is Table.Tabular || subdoc is Table.Longtable) {
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unowned Table.Subtable subtable = null;
if (subdoc is Table.Tabular)
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subtable = (subdoc as Table.Tabular).table;
else
subtable = (subdoc as Table.Longtable).table;
foreach (var row in subtable) {
foreach (var cell in row) {
var glob = cell.contents;
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foreach (var glob_subdoc in glob) {
if (!( glob_subdoc is LAview.Text )) {
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stdout.printf (" %s\n", glob_subdoc.get_type ().name ());
}
}
}
}
}
}
stdout.printf ("end of objects\n\n");
/* walk through all objects */
stdout.printf ("Walk through all objects\n");
foreach (var subdoc in doc) {
stdout.printf ("%s\n", subdoc.get_type ().name ());
if (subdoc is LAview.Graphics) {
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var graphics = subdoc as Graphics;
stdout.printf (" width=%f%s, height=%f%s, path=%s,\n gen()=%s\n",
graphics.width, graphics.width_unit, graphics.height, graphics.height_unit,
graphics.path, graphics.generate ());
graphics = graphics.copy () as Graphics;
graphics.width = 1;
graphics.width /= 2;
graphics.width_unit = "pt";
graphics.height *= 2;
graphics.height_unit = "dd";
stdout.printf ("resized gen() = %s\n", graphics.generate ());
}
}
stdout.printf ("end of objects\n\n");
/* generate plain-TeX document */
var generated = doc.generate ();
/* load etalon file */
if (fname_etalon != null) {
try {
FileUtils.get_contents (fname_etalon, out contents);
} catch (FileError e) {
stderr.printf ("error: %s\n", e.message);
return -1;
}
}
if (contents == generated)
stdout.printf ("Original and generated text are EQUAL ;-)\n");
else
stdout.printf ("Original and generated text are NOT EQUAL ;-(\n");
stdout.printf ("--- Generated plain-TeX (generated) ---\n%s", generated);
/* write to file */
if (fname_write != null )
try {
FileUtils.set_contents (fname_write, generated);
} catch (FileError e) {
stderr.printf ("error: %s\n", e.message);
return -1;
}
return 0;
}
}