X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/87550f881db0f6583709f7797becb3eef7d5f254..b27841d687ec9e84983340b5581376dfb24010ea:/projects/stargazer/plugins/other/smux/types.cpp

diff --git a/projects/stargazer/plugins/other/smux/types.cpp b/projects/stargazer/plugins/other/smux/types.cpp
index f8eb5209..8132bca0 100644
--- a/projects/stargazer/plugins/other/smux/types.cpp
+++ b/projects/stargazer/plugins/other/smux/types.cpp
@@ -1,12 +1,19 @@
+#include "types.h"
+
 #include <stdexcept>
 #include <algorithm>
+#include <iterator>
 #include <sstream>
 
-#include "types.h"
+namespace
+{
 
-bool StringToArcs(const char * str, size_t length, std::vector<unsigned> & arcs)
+bool ParseArcs(const char * str, ptrdiff_t length, unsigned * a, size_t * pos);
+bool StringToArcs(const char * str, size_t length, std::vector<unsigned> & arcs);
+bool AppendToArcs(const char * str, size_t length, std::vector<unsigned> & arcs);
+
+bool ParseArcs(const char * str, ptrdiff_t length, unsigned * a, size_t * pos)
 {
-unsigned a[1024];
 if (length == 0)
     return false;
 const char * left = str;
@@ -15,28 +22,54 @@ if (*left == '.')
 size_t arcPos = 0;
 while ((left - str) < length)
     {
-    char * pos = NULL;
-    unsigned arc = strtoul(left, &pos, 10);
-    if (pos == left)
+    char * p = NULL;
+    unsigned arc = static_cast<unsigned int>(strtoul(left, &p, 10));
+    if (p == left)
         return false;
     a[arcPos++] = arc;
     if (arcPos >= 1024)
         return false;
-    left = pos + 1;
+    left = p + 1;
     }
+*pos = arcPos;
+return true;
+}
 
-std::vector<unsigned> newArcs(a, a + arcPos);
-arcs.swap(newArcs);
+bool StringToArcs(const char * str, size_t length, std::vector<unsigned> & arcs)
+{
+unsigned a[1024];
+size_t pos = 0;
+
+if (!ParseArcs(str, length, a, &pos))
+    return false;
+
+arcs.assign(a, a + pos);
 return true;
 }
 
+bool AppendToArcs(const char * str, size_t length, std::vector<unsigned> & arcs)
+{
+unsigned a[1024];
+size_t pos = 0;
+
+if (!ParseArcs(str, length, a, &pos))
+    return false;
+
+std::copy(&a[0], &a[pos], std::back_inserter(arcs));
+return true;
+}
+
+}
+
 OID::OID(const std::string & str)
+    : arcs()
 {
 if (!StringToArcs(str.c_str(), str.length(), arcs))
     throw std::runtime_error("Invalid oid");
 }
 
 OID::OID(const char * str, size_t length)
+    : arcs()
 {
 if (!StringToArcs(str, length, arcs))
     throw std::runtime_error("Invalid oid");
@@ -48,12 +81,14 @@ OID::OID(const std::vector<unsigned> & a)
 }
 
 OID::OID(const unsigned * a, size_t length)
+    : arcs()
 {
 std::vector<unsigned> newArcs(a, a + length);
 arcs.swap(newArcs);
 }
 
 OID::OID(OBJECT_IDENTIFIER_t * oid)
+    : arcs()
 {
 unsigned a[1024];
 int count = OBJECT_IDENTIFIER_get_arcs(oid, a, sizeof(a[0]), 1024);
@@ -74,6 +109,78 @@ OID::~OID()
 {
 }
 
+bool OID::addSuffix(const char * suffix, size_t length)
+{
+if (!AppendToArcs(suffix, length, arcs))
+    return false;
+return true;
+}
+
+bool OID::addSuffix(const std::string & suffix)
+{
+if (!AppendToArcs(suffix.c_str(), suffix.length(), arcs))
+    return false;
+return true;
+}
+
+bool OID::addSuffix(const unsigned * suffix, size_t length)
+{
+std::copy(suffix, suffix + length, std::back_inserter(arcs));
+return true;
+}
+
+bool OID::addSuffix(const std::vector<unsigned> & suffix)
+{
+std::copy(suffix.begin(), suffix.end(), std::back_inserter(arcs));
+return true;
+}
+
+bool OID::addSuffix(unsigned a, unsigned b)
+{
+arcs.push_back(a);
+arcs.push_back(b);
+return true;
+}
+
+OID OID::copyWithSuffix(const char * suffix, size_t length) const
+{
+OID oid(*this);
+if (!oid.addSuffix(suffix, length))
+    throw std::runtime_error("Invalid suffix");
+return oid;
+}
+
+OID OID::copyWithSuffix(const std::string & suffix) const
+{
+OID oid(*this);
+if (!oid.addSuffix(suffix))
+    throw std::runtime_error("Invalid suffix");
+return oid;
+}
+
+OID OID::copyWithSuffix(const unsigned * suffix, size_t length) const
+{
+OID oid(*this);
+if (!oid.addSuffix(suffix, length))
+    throw std::runtime_error("Invalid suffix");
+return oid;
+}
+
+OID OID::copyWithSuffix(const std::vector<unsigned> & suffix) const
+{
+OID oid(*this);
+if (!oid.addSuffix(suffix))
+    throw std::runtime_error("Invalid suffix");
+return oid;
+}
+
+OID OID::copyWithSuffix(unsigned a, unsigned b) const
+{
+OID oid(*this);
+oid.addSuffix(a, b);
+return oid;
+}
+
 std::string OID::ToString() const
 {
 std::stringstream stream;
@@ -84,7 +191,7 @@ return stream.str();
 
 void OID::ToOID(OBJECT_IDENTIFIER_t * oid) const
 {
-OBJECT_IDENTIFIER_set_arcs(oid, &arcs.front(), sizeof(unsigned), arcs.size());
+OBJECT_IDENTIFIER_set_arcs(oid, &arcs.front(), sizeof(unsigned), static_cast<unsigned int>(arcs.size()));
 }
 
 OID & OID::operator=(const OID & rvalue)
@@ -105,12 +212,36 @@ return true;
 
 bool OID::operator<(const OID & rvalue) const
 {
-for (size_t i = 0; i < std::min(arcs.size(), rvalue.arcs.size()); ++i)
-    if (arcs[i] > rvalue.arcs[i])
-        return false;
-if (rvalue.arcs.size() < arcs.size())
+size_t i = 0;
+size_t min = std::min(arcs.size(), rvalue.arcs.size());
+while (i < min &&
+       arcs[i] == rvalue.arcs[i])
+    ++i;
+if (i == min)
+    {
+    if (rvalue.arcs.size() > arcs.size())
+        return true;
     return false;
-return true;
+    }
+
+if (arcs[i] < rvalue.arcs[i])
+    return true;
+
+return false;
+}
+
+bool OID::PrefixLess(const OID & rvalue) const
+{
+size_t i = 0;
+size_t min = std::min(arcs.size(), rvalue.arcs.size());
+while (i < min &&
+       arcs[i] == rvalue.arcs[i])
+    ++i;
+if (i == min)
+    return false;
+if (arcs[i] < rvalue.arcs[i])
+    return true;
+return false;
 }
 
 std::ostream & operator<<(std::ostream & stream, const OID & oid)