From 29cb65585782f71a9c6fa1062eaa0b8de8359604 Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Tue, 2 May 2023 11:10:58 -0400
Subject: Markdown CommandOptions (#2860)

* WIP CommandOptions

* Fix some output issues.

* Simplify word wrapping.

* Add file extensions.

* Change how lookup takes place.
Add appendSplit functions to StringUtil.
Make Categories hold the index range of their options.

* Small improvement.

* Lookup with partial option names.

* Associate user values.

* Encoding flags in the name.

* Refactor setting up of command options.

* Use CommandOptions in slang-options.

* Remove old help text.

* Cache the CommandOptions on the Session.

* Range checking.
Fix bug in the Options handling.

* Extra checks for validity.

* Get categories directly.

* Slight improvements over output.

* Added NameValue types.

* Fix typo.
Remove some now unused diagnostics.
Fix diagnostic in testing, as output has changed.

* Add minimal usage message.

* Remove platform executable extension from diagnostics output.

* Some improvements around getting names from NameValue types.

* Improve some option descriptions.

* Small fixes.

* WIP improvements around CommandOptions.

* Split out CommandOptionsWriter.

* Add links to options.

* Add command line options reference.

* Link to the reference command line information.

* Add quick links.

* Improvements around lookup.
Add categories to linking.

* Small additional fixes.

* Add LinkFlags control.

* Small text fixes.

* Fix typo.

* Fix typo.

* Fix typo.

* Add support for -g and -O using CommandOptions.

* Improve generated doc output/descriptions.
Remove options listed directly in documentation.
---
 source/core/slang-string-util.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'source/core/slang-string-util.cpp')

diff --git a/source/core/slang-string-util.cpp b/source/core/slang-string-util.cpp
index 7de6846d5..ac8a176ad 100644
--- a/source/core/slang-string-util.cpp
+++ b/source/core/slang-string-util.cpp
@@ -35,6 +35,34 @@ namespace Slang {
     return areAllEqual(slicesA, slicesB, equalFn);
 }
 
+/* static */void StringUtil::appendSplitOnWhitespace(const UnownedStringSlice& in, List<UnownedStringSlice>& outSlices)
+{
+    const char* start = in.begin();
+    const char* end = in.end();
+
+    // Skip any at the start
+    while (start < end && CharUtil::isWhitespace(*start)) start++;
+    
+    while (start < end)
+    {
+        // Find all the non white space in a run
+        const char* cur = start;
+        while (cur < end && !CharUtil::isWhitespace(*cur))
+        {
+            cur++;
+        }
+
+        // Add to output
+        outSlices.add(UnownedStringSlice(start, cur));
+
+        // Find the next start
+        start = cur + 1;
+
+        // Skip the split
+        while (start < end && CharUtil::isWhitespace(*start)) start++;
+    }
+}
+
 /* static */void StringUtil::appendSplit(const UnownedStringSlice& in, char splitChar, List<UnownedStringSlice>& outSlices)
 {
     const char* start = in.begin();
@@ -113,6 +141,12 @@ namespace Slang {
     appendSplit(in, splitSlice, outSlices);
 }
 
+/* static */void StringUtil::splitOnWhitespace(const UnownedStringSlice& in, List<UnownedStringSlice>& outSlices)
+{
+    outSlices.clear();
+    appendSplitOnWhitespace(in, outSlices);
+}
+
 /* static */Index StringUtil::split(const UnownedStringSlice& in, char splitChar, Index maxSlices, UnownedStringSlice* outSlices)
 {
     Index index = 0;
-- 
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