Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add function Strings.contains #4493

Merged
merged 6 commits into from
Nov 11, 2024
Merged

Add function Strings.contains #4493

Show file tree
Hide file tree
Changes from 5 commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
b6069c3
Add function Strings.contains
m-kessler Apr 8, 2020
9ff162b
Return true for empty search strings of Strings.contains
m-kessler Apr 15, 2020
774aec9
Add tests for Strings.contains
m-kessler Apr 15, 2020
93f22af
Fix documentation
beutlich Oct 28, 2024
b255690
Fix documentation
beutlich Oct 28, 2024
253a3e4
Update documentation
beutlich Oct 29, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
47 changes: 47 additions & 0 deletions Modelica/Utilities/Strings.mo
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -185,6 +185,53 @@ isEmpty(\"a\"); // returns false
</html>"));
end isEmpty;

function contains "Check if a string contains a substring"

extends Modelica.Icons.Function;

input String string "String to check";
input String searchString "Substring to look for";
input Boolean caseSensitive=true
"= false, if lower and upper case are ignored for the search";
output Boolean result "= true, if searchString can be found anywhere in string";

algorithm
if length(searchString) > 0 then
result := find(string, searchString, 1, caseSensitive) > 0;
else
result := true;
end if;

annotation (Documentation(info="<html>

<h4>Syntax</h4>
beutlich marked this conversation as resolved.
Show resolved Hide resolved
<blockquote><pre>
result = Strings.<strong>contains</strong>(string, searchString);
result = Strings.<strong>contains</strong>(string, searchString, caseSensitive);
</pre></blockquote>

<h4>Description</h4>
<p>
Returns true if \"searchString\" is a substring of \"string\". Otherwise, false is returned.
The optional argument \"caseSensitive\" controls if substrings match, which differ in case only.
</p>
<p>
Empty strings are treated as substring of all strings. Therefore, the result is always true if \"searchString\" is empty.
</p>

<h4>Example</h4>
<blockquote><pre>
import Modelica.Utilities.Strings.contains;

contains(\"foobar\", \"OO\"); // returns false
contains(\"foobar\", \"OO\", false); // returns true
contains(\"foo\", \"bar\"); // returns false
contains(\"\", \"\"); // returns true
contains(\"foo\", \"\"); // returns true
</pre></blockquote>
</html>"));
end contains;

function count "Count the number of non-overlapping occurrences of a string"
extends Modelica.Icons.Function;
input String string "String that is analyzed";
Expand Down
11 changes: 11 additions & 0 deletions ModelicaTest/Utilities.mo
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -215,6 +215,17 @@ extends Modelica.Icons.ExamplesPackage;
assert(hash1 <> Strings.hashString("this is a tes1"), "Strings.hashString 1 failed");
assert(hash1 <> Strings.hashString("this is a tes2"), "Strings.hashString 1 failed");

// Strings.contains
assert(Strings.contains("", ""), "Strings.contains 1 failed (empty strings)");
assert(Strings.contains("foo bar", "o"), "Strings.contains 2 failed (multiple occurences)");
assert(Strings.contains("foo bar", "o ba"), "Strings.contains 3 failed (occurrence at middle)");
assert(Strings.contains("foo bar", "fo"), "Strings.contains 4 failed (occurrence at start)");
assert(Strings.contains("foo bar", "ar"), "Strings.contains 5 failed (occurrence at end)");
assert(not Strings.contains("foo bar", "x"), "Strings.contains 6 failed (no occurrence)");
assert(Strings.contains("foo", ""), "Strings.contains 7 failed (empty search string)");
assert(not Strings.contains("foo bar", "O"), "Strings.contains 8 failed (case sensitive)");
assert(Strings.contains("foo bar", "O", false), "Strings.contains 9 failed (case insensitive)");

ok := true;
end Strings;

Expand Down