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Finish and use an is_like function. Do not filter names before recurs…
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…ion (Fix #2).
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@Poikilos
Poikilos committed Oct 31, 2022
1 parent f9032eb commit 233f85a
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Showing 3 changed files with 214 additions and 73 deletions.
206 changes: 165 additions & 41 deletions DFF.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
using System.Windows.Forms;
using System.Collections;
using System.Threading;
using System.Diagnostics;
using System.Security.AccessControl; //for FileSystemAccessRule in mscorlib as per http://docs.go-mono.com/index.aspx?link=T%3ASystem.Security.AccessControl.FileSystemAccessRule
//using Mono.Unix;
//using System.Diagnostics; //System.Diagnostics.Debug.WriteLine etc
Expand Down Expand Up @@ -51,6 +52,14 @@ public DFF()
public static long NowMS() {
return DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
}
public static string get_indent(int depth, string tab) {
string result = "";
if (depth < 1) return "";
for (int i=0; i<depth; i++) {
result += tab;
}
return result;
}
public bool get_is_content_searchable(string path)
{
//see also etc/deprecated_cs.md for other ideas
Expand Down Expand Up @@ -120,43 +129,100 @@ public static bool get_file_contains(FileInfo this_info, string content_string)
return result;
}

public bool is_like(string haystack, string filter) {
bool result = false;
if (string.IsNullOrEmpty(filter)) {
if (filter == null)
Debug.WriteLine(" true any is_like(\""+haystack+"\", null)");
else
Debug.WriteLine(" true any is_like(\""+haystack+"\", \""+filter+"\")");
return true;
}
if (filter == "*") {
Debug.WriteLine(" true any is_like(\""+haystack+"\", \""+filter+"\")");
return true;
}
if (!options.case_sensitive_enable) {
haystack = haystack.ToLower();
filter = filter.ToLower();
}
if (filter.StartsWith("*") && filter.EndsWith("*")) {
Debug.WriteLine(" true is_like *filter* (\""+haystack+"\", \""+filter+"\")");
return haystack.Contains(filter.Substring(1, filter.Length-2));
}
else if (filter.EndsWith("*")) {
Debug.WriteLine(" true startswith is_like(\""+haystack+"\", \""+filter+"\")");
return haystack.StartsWith(filter.Substring(0, filter.Length-1));
}
else if (filter.StartsWith("*")) {
Debug.WriteLine(" true endswith is_like(\""+haystack+"\", \""+filter+"\")");
return haystack.EndsWith(filter.Substring(1));
}
//else if (!filter.StartsWith("*") && !filter.EndsWith("*")) {
Debug.WriteLine(" "+(haystack.Contains(filter)?"true":"false")+" Contains is_like(\""+haystack+"\", \""+filter+"\")");
return haystack.Contains(filter);
//}
}

public bool get_is_match(FileInfo this_info, bool filenames_prefiltered_enable) {
bool result = false;
if (this_info != null) {
try {
if (
!this_info.Name.EndsWith (":")
&& !this_info.Name.StartsWith ("Singleton")
&& !this_info.Name.EndsWith ("Socket")
) {
Console.WriteLine ("get_is_match(FileInfo,bool) '" + this_info.Name + "'...");
if (options_name_string_tolower==null&&options.name_string!=null) options_name_string_tolower=options.name_string.ToLower();//;throw new ApplicationException("options_name_string_tolower was null but options.name_string was not (this should never happen)");
if (filenames_prefiltered_enable || string.IsNullOrEmpty(options.name_string) || (options.case_sensitive_enable ? this_info.Name.Contains(options.name_string) : this_info.Name.ToLower().Contains(options_name_string_tolower))) {
//below is ok since time was manipulated if !options.endbefore_time_enable
//Console.WriteLine("file: "+this_info.LastWriteTime.ToUniversalTime().ToString(DFF.datetime_sortable_format_string));
//Console.WriteLine("endbefore: "+options.modified_endbefore_datetime_utc.ToUniversalTime().ToString(DFF.datetime_sortable_format_string));
//Console.WriteLine();
if (!options.modified_endbefore_date_enable || (this_info.LastWriteTime.ToUniversalTime () < options.modified_endbefore_datetime_utc.ToUniversalTime ())) {
if (!options.modified_start_date_enable || (this_info.LastWriteTime.ToUniversalTime () >= options.modified_start_datetime_utc.ToUniversalTime ())) {
if (!options.min_size_enable || (this_info.Length >= options.min_size)) {
if (!options.max_size_enable || (this_info.Length <= options.max_size)) {
if (string.IsNullOrEmpty(options.content_string) || (get_is_content_searchable(this_info.FullName)&&get_file_contains(this_info, options.content_string))) {
result = true;
}
}
}
}
}
}
Console.WriteLine ("...done get_is_match(FileInfo,bool)");
} else Console.Error.WriteLine ("get_is_match(FileInfo,bool): non-file-like name skipped");
} catch (IOException ioEx) {
//ignore since probably a permission issue
} catch (Exception exn) {
//Console.Error.WriteLine ("Could not finish get_is_match: " + exn.ToString ());
Console.Error.WriteLine ("Could not finish get_is_match(FileInfo,bool):"+exn.ToString());
if (this_info == null) {
string msg = "get_is_match(FileInfo,bool):null";
Console.Error.WriteLine(msg);
Debug.WriteLine(msg);
return false;
}
if (
this_info.Name.EndsWith(":")
|| this_info.Name.StartsWith("Singleton")
|| this_info.Name.EndsWith("Socket")
) {
Debug.WriteLine("get_is_match(FileInfo,bool): non-file-like name skipped");
return false;
}

try {
Debug.WriteLine("get_is_match(FileInfo,"+(filenames_prefiltered_enable?"true":"false")+") '" + this_info.Name + "'...");
if (options_name_string_tolower==null&&options.name_string!=null) {
options_name_string_tolower=options.name_string.ToLower();
//;throw new ApplicationException("options_name_string_tolower was null but options.name_string was not (this should never happen)");
}

if (!filenames_prefiltered_enable) {
if (!is_like(this_info.Name, options.name_string))
return false;
else {
if (options.name_string != null)
Debug.WriteLine(" name matches \""+options.name_string+"\"");
else
Debug.WriteLine(" name matches null");
}
}
// Comparisons below are ok since time was manipulated if !options.endbefore_time_enable
if (options.modified_endbefore_date_enable && (this_info.LastWriteTime.ToUniversalTime () >= options.modified_endbefore_datetime_utc.ToUniversalTime()))
return false;
if (options.modified_start_date_enable && (this_info.LastWriteTime.ToUniversalTime () < options.modified_start_datetime_utc.ToUniversalTime ()))
return false;
if (options.min_size_enable && (this_info.Length < options.min_size))
return false;
if (options.max_size_enable && (this_info.Length > options.max_size))
return false;
if (string.IsNullOrEmpty(options.content_string) || (get_is_content_searchable(this_info.FullName)&&get_file_contains(this_info, options.content_string))) {
// It has to be a searchable file if content_string is used, and content_string must be found inside.
if (!string.IsNullOrEmpty(options.content_string))
Debug.WriteLine(" content matches \""+options.content_string+"\"");
result = true;
}
} else Console.Error.WriteLine ("get_is_match(FileInfo,bool):null");

} catch (IOException ioEx) {
//ignore since probably a permission issue
Debug.WriteLine(" Error: get_is_match failed with IOException on "+this_info.Name+":"+ioEx.ToString());
} catch (Exception exn) {
//Console.Error.WriteLine ("Could not finish get_is_match: " + exn.ToString ());
Console.Error.WriteLine ("Could not finish get_is_match(FileInfo,bool):"+exn.ToString());
Debug.WriteLine(" Error: get_is_match failed with Exception on "+this_info.Name+":"+exn.ToString());
}
Debug.WriteLine(" "+(result?"true":"false")+"...done get_is_match(FileInfo,bool)");
return result;
}
public bool get_is_match(DirectoryInfo this_info) {
Expand All @@ -165,15 +231,28 @@ public bool get_is_match(DirectoryInfo this_info) {
//Console.Error.WriteLine("get_is_match(DirectoryInfo) '" + this_info.Name + "'...");
//Console.Error.WriteLine(" options.name_string:" + options.name_string);
//Console.Error.WriteLine(" options_name_string_tolower: " + options_name_string_tolower);
if (string.IsNullOrEmpty(options.name_string) || (options.name_string=="*") || (options.case_sensitive_enable ? this_info.Name.Contains(options.name_string) : this_info.Name.ToLower().Contains(options_name_string_tolower))) {
if (is_like(this_info.Name, options.name_string)) {
//below is ok since time was manipulated if !options.endbefore_time_enable
if (!options.modified_endbefore_date_enable || (this_info.LastWriteTime.ToFileTimeUtc () < options.modified_endbefore_datetime_utc.ToFileTimeUtc ())) {
if (!options.modified_start_date_enable || (this_info.LastWriteTime.ToFileTimeUtc () >= options.modified_start_datetime_utc.ToFileTimeUtc ())) {
result = true;
}
else {
Debug.WriteLine("not after start date:");
}
}
else {
Debug.WriteLine("not before end date:");
}
}
} else Console.Error.WriteLine ("get_is_match(DirectoryInfo):null");
else {
Debug.WriteLine("not like "+options.name_string+":");
}
}
else {
Console.Error.WriteLine ("get_is_match(DirectoryInfo):null");
Debug.WriteLine("null:");
}
return result;
}
public static bool ContainsI(ArrayList haystack, string needle) {
Expand Down Expand Up @@ -373,6 +452,7 @@ private string ExecuteSearchRecursively(DirectoryInfo major_di, int depth) {
participle = "getting directory list for '"+major_di.FullName+"'";
foreach (DirectoryInfo this_di in major_di.GetDirectories ()) {
participle = "preparing to check (under major directory) in directory '"+this_di.FullName+"'";
// Debug.WriteLine(participle);
if (!enable) break;
try {
if (options.include_folders_as_results_enable) {
Expand Down Expand Up @@ -403,24 +483,68 @@ private string ExecuteSearchRecursively(DirectoryInfo major_di, int depth) {
}
}
if (this.non_directory_paths == null || Array.IndexOf (this.non_directory_paths, this_di.FullName) <= -1) {
if (get_is_folder_searchable(this_di,false)) {
ExecuteSearchRecursively(this_di, depth+1);
if (get_is_folder_searchable(this_di, false)) {
/*
if (get_is_match(this_di)) {
Debug.WriteLine(get_indent(depth, " ")+"++ "+this_di.Name);
// Add folders, not just directories, if not matching content.
participle = "adding a folder result";
if (this_di==null)
Debug.WriteLine("ERROR: this_di is null");
if (results != null) {
results.Add(this_di.FullName);
}
}
else {
Debug.WriteLine(get_indent(depth, " ")+"+ "+this_di.Name);
}
*/
// ^ already done in the previous case if include_folders_as_results_enable
string subResult = ExecuteSearchRecursively(this_di, depth+1);
if (subResult != null) {
if (err == null) err = subResult;
else err += ". " + subResult;
}

// Debug.WriteLine shows in the SharpDevelop "Output" panel.
// - but only in Debug configuration!
}
else {
Debug.WriteLine(get_indent(depth, " ")+"- (not searchable)"+this_di.Name);
}
}
else {
Debug.WriteLine(get_indent(depth, " ")+"- (non-directory)"+this_di.Name);
}
} catch (Exception exn) {
if (depth==0) err = exn.ToString();
Console.Error.WriteLine ("Could not finish accessing subdirectory while "+participle+" in ExecuteSearchRecursively '" + this_di.FullName + "': " + exn.ToString ());
string msg = "Could not finish accessing subdirectory while "+participle+" in ExecuteSearchRecursively '" + this_di.FullName + "': " + exn.ToString ();
Debug.WriteLine(get_indent(depth, " ")+"- ("+exn.ToString()+")"+this_di.Name);
if (err == null) err = msg;
else err += ". " + msg;
Console.Error.WriteLine(msg);
}
}
}
else {
Debug.WriteLine("- (enable==false) " + major_di.FullName);
}
} catch (Exception exn) {
Debug.WriteLine("- ("+exn.ToString()+") " + major_di.FullName);
if (depth==0) err = exn.ToString();
Console.Error.WriteLine ("Could not finish accessing folder '" + major_di.FullName + "': " + exn.ToString ());
string msg = "Could not finish accessing folder '" + major_di.FullName + "': " + exn.ToString ();
if (err == null) err = msg;
else err += ". " + msg;
Console.Error.WriteLine(msg);
}
}
else {
string msg = "get_is_folder_searchable is false for " + major_di.FullName;
Debug.WriteLine(msg);
//if (depth==0) err = "not a normal folder: '" + major_di.FullName + "'";
Console.Error.WriteLine("get_is_folder_searchable is false for " + major_di.FullName);
if (err == null) err = msg;
else err += ". " + msg;
Console.Error.WriteLine(msg);
}
}//end if get_is_folder_searchable
else {
Expand Down
20 changes: 19 additions & 1 deletion DFFSearchOptions.cs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@
using System.IO;
using System.Windows.Forms;
//using System.Diagnostics; //System.Diagnostics.Debug.WriteLine etc
using System.Reflection; // provides MethodBase
using System.Diagnostics; // provides Tracing

namespace DeepFileFind
{
Expand All @@ -33,7 +35,23 @@ public class DFFSearchOptions
public bool modified_endbefore_time_enable = false;
public ArrayList start_directoryinfos = null;
public ArrayList never_use_names = null;
public string name_string = null;
private string _name_string = null;
public string name_string {
get {
return _name_string;
}
set {
var stackTrace = new StackTrace();
MethodBase method = stackTrace.GetFrame(1).GetMethod();
string methodName = method.Name;
string className = method.ReflectedType.Name;
if (value != null)
Debug.WriteLine("name_string=\""+value+"\" as set by "+className+"."+methodName);
else
Debug.WriteLine("name_string=null as set by "+className+"."+methodName);
_name_string = value;
}
}
public string content_string = null;
public bool recursive_enable = true;
public bool include_folders_as_results_enable = true;
Expand Down
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