diff options
| -rw-r--r-- | include/PropSet.h | 1 | ||||
| -rw-r--r-- | src/PropSet.cxx | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/include/PropSet.h b/include/PropSet.h index 0b4c2f58d..2766b542a 100644 --- a/include/PropSet.h +++ b/include/PropSet.h @@ -45,6 +45,7 @@ public: ~PropSet(); void Set(const char *key, const char *val, int lenKey=-1, int lenVal=-1); void Set(const char *keyVal); + void Unset(const char *key, int lenKey=-1); void SetMultiple(const char *s); SString Get(const char *key); SString GetExpanded(const char *key); diff --git a/src/PropSet.cxx b/src/PropSet.cxx index bf345145f..6c7145f02 100644 --- a/src/PropSet.cxx +++ b/src/PropSet.cxx @@ -383,6 +383,33 @@ void PropSet::Set(const char *keyVal) { } } +void PropSet::Unset(const char *key, int lenKey) { + if (!*key) // Empty keys are not supported + return; + if (lenKey == -1) + lenKey = static_cast<int>(strlen(key)); + unsigned int hash = HashString(key, lenKey); + Property *pPrev = NULL; + for (Property *p = props[hash % hashRoots]; p; p = p->next) { + if ((hash == p->hash) && + ((strlen(p->key) == static_cast<unsigned int>(lenKey)) && + (0 == strncmp(p->key, key, lenKey)))) { + if (pPrev) + pPrev->next = p->next; + else + props[hash % hashRoots] = p->next; + if (p == enumnext) + enumnext = p->next; // Not that anyone should mix enum and Set / Unset. + delete [](p->key); + delete [](p->val); + delete p; + return; + } else { + pPrev = p; + } + } +} + void PropSet::SetMultiple(const char *s) { const char *eol = strchr(s, '\n'); while (eol) { |