#289 Only use the --stdin-display-name flag if the flake8 version supports it

1 files changed, 29 insertions, 0 deletions

diff --git a/autoload/ale/semver.vim b/autoload/ale/semver.vim
new file mode 100644
index 00000000..b153dd1d
--- /dev/null
+++ b/autoload/ale/semver.vim
@@ -0,0 +1,29 @@
+" Given some text, parse a semantic versioning string from the text
+" into a triple of integeers [major, minor, patch].
+"
+" If no match can be performed, then an empty List will be returned instead.
+function! ale#semver#Parse(text) abort
+    let l:match = matchlist(a:text, '^ *\(\d\+\)\.\(\d\+\)\.\(\d\+\)')
+
+    if empty(l:match)
+        return []
+    endif
+
+    return [l:match[1] + 0, l:match[2] + 0, l:match[3] + 0]
+endfunction
+
+" Given two triples of integers [major, minor, patch], compare the triples
+" and return 1 if the lhs is greater than or equal to the rhs.
+function! ale#semver#GreaterOrEqual(lhs, rhs) abort
+    if a:lhs[0] > a:rhs[0]
+        return 1
+    elseif a:lhs[0] == a:rhs[0]
+        if a:lhs[1] > a:rhs[1]
+            return 1
+        elseif a:lhs[1] == a:rhs[1]
+            return a:lhs[2] >= a:rhs[2]
+        endif
+    endif
+
+    return 0
+endfunction