move comphelper::string::toInt32 to o3tl

so we can use it in places where we cannot include comphelper

Change-Id: Iba0ba3e4c0dcf0f9d1f09092a77c3b2010ec4f6d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132732
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 26 insertions, 0 deletions

diff --git a/include/o3tl/string_view.hxx b/include/o3tl/string_view.hxx
index c62fa5f23283..b14258c14d39 100644
--- a/include/o3tl/string_view.hxx
+++ b/include/o3tl/string_view.hxx
@@ -304,6 +304,32 @@ inline std::string_view trim(std::string_view str)
     return std::string_view{ str.data() + nPreSpaces,
                              static_cast<size_t>(nLen - nPostSpaces - nPreSpaces) };
 }
+
+// Like OString::toInt32, but for std::string_view:
+inline sal_Int32 toInt32(std::u16string_view str, sal_Int16 radix = 10)
+{
+    sal_Int64 n = rtl_ustr_toInt64_WithLength(str.data(), radix, str.size());
+    if (n < SAL_MIN_INT32 || n > SAL_MAX_INT32)
+        n = 0;
+    return n;
+}
+inline sal_Int32 toInt32(std::string_view str, sal_Int16 radix = 10)
+{
+    sal_Int64 n = rtl_str_toInt64_WithLength(str.data(), radix, str.size());
+    if (n < SAL_MIN_INT32 || n > SAL_MAX_INT32)
+        n = 0;
+    return n;
+}
+
+// Like OString::toInt64, but for std::string_view:
+inline sal_Int64 toInt64(std::u16string_view str, sal_Int16 radix = 10)
+{
+    return rtl_ustr_toInt64_WithLength(str.data(), radix, str.size());
+}
+inline sal_Int64 toInt64(std::string_view str, sal_Int16 radix = 10)
+{
+    return rtl_str_toInt64_WithLength(str.data(), radix, str.size());
+}
 }
 
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