// returning an empty string means we could not parse it
//
// note: for now, I ignore double %%
//
// log4net is case sensitive
public static string parse(string syntax)
{
syntax_to_lw_syntax to_lw = new syntax_to_lw_syntax(syntax, "log4net");
try {
var stripped = strip_details(syntax);
var patterns = stripped.Split(new [] { "%" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string pattern_and_suffix in patterns)
{
var pattern = new string( pattern_and_suffix.TakeWhile(x => Char.IsLetterOrDigit(x) || x == '-' || x == '.').ToArray());
var suffix = pattern_and_suffix.Substring(pattern.Length);
// https://logging.apache.org/log4net/log4net-1.2.13/release/sdk/log4net.Layout.PatternLayout.html
// '-' or '.' -> they are padding
var pad = new string( pattern.TakeWhile(x => Char.IsDigit(x) || x == '-' || x == '.').ToArray());
pattern = pattern.Substring(pad.Length);
if (pad.StartsWith("-"))
{
pad = pad.Substring(1);
}
// it can contain padding - but only "." specifies exact number of characters
bool fixed_now = pad.Contains(".");
if (fixed_now)
{
pad = pad.Substring(pad.IndexOf(".") + 1);
}
int min_len = pad != "" ? int.Parse(pad) : -1;
var lw_column = column_to_lw_column(pattern);
if (lw_column == "newline")
{
continue;
}
to_lw.add_column(min_len, fixed_now, pattern, suffix, lw_column);
}
} catch (Exception e) {
to_lw.on_error(e.Message);
}
return(to_lw.lw_syntax);
}
// returning an empty string means we could not parse it
//
// nlog syntax is case-insensitive
public static string parse(string syntax) {
// https://github.com/NLog/NLog/wiki/Pad-Layout-Renderer
// https://github.com/NLog/NLog/wiki/Layout-renderers
syntax_to_lw_syntax to_lw = new syntax_to_lw_syntax(syntax, "nlog");
syntax = syntax.ToLower();
try {
var renderers = split_into_renderers(syntax);
foreach (var renderer_and_suffix in renderers) {
int end_idx = renderer_and_suffix.LastIndexOf("}");
if (end_idx < 0) {
to_lw.on_error("pattern not ending in }");
break;
}
var renderer = renderer_and_suffix.Substring(0, end_idx).Trim();
if (renderer.StartsWith("${"))
renderer = renderer.Substring(2);
var suffix = renderer_and_suffix.Substring(end_idx + 1);
var renderer_and_props = parse_renderer(renderer);
if (need_to_get_inner_renderer(renderer_and_props.Item1))
renderer_and_props = get_inner_renderer(renderer_and_props.Item2);
if (ignore_renderer(renderer_and_props.Item1))
continue;
var inner = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "inner");
if (inner != null && inner.Item2 == "layout")
// applies to full layout, we don't care
continue;
string renderer_name = renderer_and_props.Item1;
if (renderer_name == "newline")
continue;
// here - we have the renderer and its properties
int min_len = -1;
bool fixed_now = false;
if (renderer_name == "pad") {
// care about padding
inner = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "inner");
if (inner == null) {
inner = renderer_and_props.Item2.FirstOrDefault(x => x.Item2.StartsWith("${"));
if (inner == null) {
to_lw.on_error("Invalid padding");
break;
}
}
if (inner.Item1 == "layout")
// applies to all line - we don't care
continue;
renderer_name = parse_renderer(inner.Item2).Item1;
var padding = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "padding");
if (padding != null)
min_len = Math.Abs(int.Parse(padding.Item2));
var fixed_len = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "fixedlength");
fixed_now = fixed_len != null && fixed_len.Item2 == "true" && min_len > 0;
}
var lw_column = column_to_lw_column(renderer_name);
to_lw.add_column(min_len, fixed_now, renderer_name, suffix, lw_column);
}
} catch (Exception e) {
to_lw.on_error(e.Message);
}
return to_lw.lw_syntax;
}
// returning an empty string means we could not parse it
//
// nlog syntax is case-insensitive
public static string parse(string syntax)
{
// https://github.com/NLog/NLog/wiki/Pad-Layout-Renderer
// https://github.com/NLog/NLog/wiki/Layout-renderers
syntax_to_lw_syntax to_lw = new syntax_to_lw_syntax(syntax, "nlog");
syntax = syntax.ToLower();
try {
var renderers = split_into_renderers(syntax);
foreach (var renderer_and_suffix in renderers)
{
int end_idx = renderer_and_suffix.LastIndexOf("}");
if (end_idx < 0)
{
to_lw.on_error("pattern not ending in }");
break;
}
var renderer = renderer_and_suffix.Substring(0, end_idx).Trim();
if (renderer.StartsWith("${"))
{
renderer = renderer.Substring(2);
}
var suffix = renderer_and_suffix.Substring(end_idx + 1);
var renderer_and_props = parse_renderer(renderer);
if (need_to_get_inner_renderer(renderer_and_props.Item1))
{
renderer_and_props = get_inner_renderer(renderer_and_props.Item2);
}
if (ignore_renderer(renderer_and_props.Item1))
{
continue;
}
var inner = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "inner");
if (inner != null && inner.Item2 == "layout")
{
// applies to full layout, we don't care
continue;
}
string renderer_name = renderer_and_props.Item1;
if (renderer_name == "newline")
{
continue;
}
// here - we have the renderer and its properties
int min_len = -1;
bool fixed_now = false;
if (renderer_name == "pad")
{
// care about padding
inner = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "inner");
if (inner == null)
{
inner = renderer_and_props.Item2.FirstOrDefault(x => x.Item2.StartsWith("${"));
if (inner == null)
{
to_lw.on_error("Invalid padding");
break;
}
}
if (inner.Item1 == "layout")
{
// applies to all line - we don't care
continue;
}
renderer_name = parse_renderer(inner.Item2).Item1;
var padding = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "padding");
if (padding != null)
{
min_len = Math.Abs(int.Parse(padding.Item2));
}
var fixed_len = renderer_and_props.Item2.FirstOrDefault(x => x.Item1 == "fixedlength");
fixed_now = fixed_len != null && fixed_len.Item2 == "true" && min_len > 0;
}
var lw_column = column_to_lw_column(renderer_name);
to_lw.add_column(min_len, fixed_now, renderer_name, suffix, lw_column);
}
} catch (Exception e) {
to_lw.on_error(e.Message);
}
return(to_lw.lw_syntax);
}
// returning an empty string means we could not parse it
//
// note: for now, I ignore double %%
//
// log4net is case sensitive
public static string parse(string syntax) {
syntax_to_lw_syntax to_lw = new syntax_to_lw_syntax(syntax, "log4net");
try {
var stripped = strip_details(syntax);
var patterns = stripped.Split( new [] {"%"}, StringSplitOptions.RemoveEmptyEntries);
foreach (string pattern_and_suffix in patterns) {
var pattern = new string( pattern_and_suffix.TakeWhile(x => Char.IsLetterOrDigit(x) || x == '-' || x == '.').ToArray());
var suffix = pattern_and_suffix.Substring(pattern.Length);
// https://logging.apache.org/log4net/log4net-1.2.13/release/sdk/log4net.Layout.PatternLayout.html
// '-' or '.' -> they are padding
var pad = new string( pattern.TakeWhile(x => Char.IsDigit(x) || x == '-' || x == '.').ToArray() );
pattern = pattern.Substring(pad.Length);
if (pad.StartsWith("-"))
pad = pad.Substring(1);
// it can contain padding - but only "." specifies exact number of characters
bool fixed_now = pad.Contains(".");
if (fixed_now)
pad = pad.Substring(pad.IndexOf(".") + 1);
int min_len = pad != "" ? int.Parse(pad) : -1;
var lw_column = column_to_lw_column(pattern);
if (lw_column == "newline")
continue;
to_lw.add_column(min_len, fixed_now, pattern, suffix, lw_column);
}
} catch (Exception e) {
to_lw.on_error(e.Message);
}
return to_lw.lw_syntax;
}
