--- a/src/conftree.hxx
+++ b/src/conftree.hxx
@@ -23,23 +23,23 @@
* Configuration files have lines like 'name = value', and/or like '[subkey]'
*
* Lines like '[subkey]' in the file define subsections, with independant
- * configuration namespaces. Only subsections holding at least one variable are
+ * configuration namespaces. Only subsections holding at least one variable are
* significant (empty subsections may be deleted during an update, or not)
*
* Whitespace around name and value is insignificant.
*
* The names are case-sensitive but don't depend on it, this might change
*
- * Values can be queried for, or set.
+ * Values can be queried for, or set.
*
* Any line without a '=' is a comment (a line like #var = value
* actually assigns a variable named '#var', which is not a big issue)
*
* A configuration object can be created empty or by reading from a file or
* a string.
- * All 'set' calls cause an immediate rewrite of the backing object if any
- * (file or string)
- *
+ * All 'set' calls cause an immediate rewrite of the backing object if any
+ * (file or string)
+ *
* The ConfTree derived class interprets the subkeys as file paths and
* lets subdir keys hierarchically inherit the properties from
* parents.
@@ -76,32 +76,30 @@
enum Kind {CFL_COMMENT, CFL_SK, CFL_VAR};
Kind m_kind;
string m_data;
- ConfLine(Kind k, const string& d)
- : m_kind(k), m_data(d)
- {
- }
- bool operator==(const ConfLine& o)
- {
- return o.m_kind == m_kind && o.m_data == m_data;
+ ConfLine(Kind k, const string& d)
+ : m_kind(k), m_data(d) {
+ }
+ bool operator==(const ConfLine& o) {
+ return o.m_kind == m_kind && o.m_data == m_data;
}
};
-/**
+/**
* Virtual base class used to define an interface mostly useful for testing
*/
class ConfNull {
public:
- enum StatusCode {STATUS_ERROR=0, STATUS_RO=1, STATUS_RW=2};
+ enum StatusCode {STATUS_ERROR = 0, STATUS_RO = 1, STATUS_RW = 2};
virtual ~ConfNull() {};
- virtual int get(const string &name, string &value,
- const string &sk = string()) const = 0;
+ virtual int get(const string& name, string& value,
+ const string& sk = string()) const = 0;
virtual bool hasNameAnywhere(const string& nm) const = 0;
- virtual int set(const string &nm, const string &val,
- const string &sk = string()) = 0;
+ virtual int set(const string& nm, const string& val,
+ const string& sk = string()) = 0;
virtual bool ok() const = 0;
- virtual vector<string> getNames(const string &sk, const char* = 0)const = 0;
- virtual int erase(const string &, const string &) = 0;
- virtual int eraseKey(const string &) = 0;
+ virtual vector<string> getNames(const string& sk, const char* = 0)const = 0;
+ virtual int erase(const string&, const string&) = 0;
+ virtual int eraseKey(const string&) = 0;
virtual void showall() const {};
virtual vector<string> getSubKeys() const = 0;
virtual vector<string> getSubKeys(bool) const = 0;
@@ -109,7 +107,7 @@
virtual bool sourceChanged() const = 0;
};
-/**
+/**
* Manages a simple configuration file with subsections.
*/
class ConfSimple : public ConfNull {
@@ -125,7 +123,7 @@
/**
* Build the object by reading content from a string
- * @param data points to the data to parse.
+ * @param data points to the data to parse.
* @param readonly if true open readonly, else rw
* @param tildexp try tilde (home dir) expansion for subsection names
*/
@@ -143,124 +141,122 @@
/** Origin file changed. Only makes sense if we read the data from a file */
virtual bool sourceChanged() const;
- /**
+ /**
* Decide if we actually rewrite the backing-store after modifying the
* tree.
*/
- virtual bool holdWrites(bool on)
- {
- m_holdWrites = on;
- if (on == false) {
- return write();
- } else
- return true;
+ virtual bool holdWrites(bool on) {
+ m_holdWrites = on;
+ if (on == false) {
+ return write();
+ } else {
+ return true;
+ }
}
/** Clear, then reparse from string */
void reparse(const string& in);
/** Clear all content */
- void clear()
- {
- m_submaps.clear();
- m_order.clear();
- }
-
- /**
- * Get value for named parameter, from specified subsection (looks in
+ void clear() {
+ m_submaps.clear();
+ m_order.clear();
+ }
+
+ /**
+ * Get value for named parameter, from specified subsection (looks in
* global space if sk is empty).
* @return 0 if name not found, 1 else
*/
- virtual int get(const string &name, string &value,
- const string &sk = string()) const;
-
- /**
+ virtual int get(const string& name, string& value,
+ const string& sk = string()) const;
+
+ /**
* Set value for named parameter in specified subsection (or global)
* @return 0 for error, 1 else
*/
- virtual int set(const string &nm, const string &val,
- const string &sk = string());
+ virtual int set(const string& nm, const string& val,
+ const string& sk = string());
/**
* Remove name and value from config
*/
- virtual int erase(const string &name, const string &sk);
+ virtual int erase(const string& name, const string& sk);
/**
* Erase all names under given subkey (and subkey itself)
*/
- virtual int eraseKey(const string &sk);
+ virtual int eraseKey(const string& sk);
virtual StatusCode getStatus() const;
- virtual bool ok() const {return getStatus() != STATUS_ERROR;}
-
- /**
+ virtual bool ok() const {
+ return getStatus() != STATUS_ERROR;
+ }
+
+ /**
* Walk the configuration values, calling function for each.
- * The function is called with a null nm when changing subsections (the
+ * The function is called with a null nm when changing subsections (the
* value is then the new subsection name)
- * @return WALK_STOP when/if the callback returns WALK_STOP,
+ * @return WALK_STOP when/if the callback returns WALK_STOP,
* WALK_CONTINUE else (got to end of config)
*/
enum WalkerCode {WALK_STOP, WALK_CONTINUE};
- virtual WalkerCode sortwalk(WalkerCode
- (*wlkr)(void *cldata, const string &nm,
- const string &val),
- void *clidata) const;
+ virtual WalkerCode sortwalk(WalkerCode
+ (*wlkr)(void *cldata, const string& nm,
+ const string& val),
+ void *clidata) const;
/** Print all values to stdout */
virtual void showall() const;
/** Return all names in given submap. */
- virtual vector<string> getNames(const string &sk, const char *pattern = 0)
- const;
+ virtual vector<string> getNames(const string& sk, const char *pattern = 0)
+ const;
/** Check if name is present in any submap. This is relatively expensive
* but useful for saving further processing sometimes */
virtual bool hasNameAnywhere(const string& nm) const;
/**
- * Return all subkeys
- */
- virtual vector<string> getSubKeys(bool) const
- {
- return getSubKeys();
- }
- virtual vector<string> getSubKeys_unsorted(bool = false) const
- {
- return m_subkeys_unsorted;
+ * Return all subkeys
+ */
+ virtual vector<string> getSubKeys(bool) const {
+ return getSubKeys();
+ }
+ virtual vector<string> getSubKeys_unsorted(bool = false) const {
+ return m_subkeys_unsorted;
}
virtual vector<string> getSubKeys() const;
/** Test for subkey existence */
- virtual bool hasSubKey(const string& sk) const
- {
- return m_submaps.find(sk) != m_submaps.end();
- }
-
- virtual string getFilename() const
- {return m_filename;}
+ virtual bool hasSubKey(const string& sk) const {
+ return m_submaps.find(sk) != m_submaps.end();
+ }
+
+ virtual string getFilename() const {
+ return m_filename;
+ }
/**
* Copy constructor. Expensive but less so than a full rebuild
*/
- ConfSimple(const ConfSimple &rhs)
- : ConfNull()
- {
- if ((status = rhs.status) == STATUS_ERROR)
- return;
- m_filename = rhs.m_filename;
- m_submaps = rhs.m_submaps;
+ ConfSimple(const ConfSimple& rhs)
+ : ConfNull() {
+ if ((status = rhs.status) == STATUS_ERROR) {
+ return;
+ }
+ m_filename = rhs.m_filename;
+ m_submaps = rhs.m_submaps;
}
/**
* Assignement. This is expensive
*/
- ConfSimple& operator=(const ConfSimple &rhs)
- {
- if (this != &rhs && (status = rhs.status) != STATUS_ERROR) {
- m_filename = rhs.m_filename;
- m_submaps = rhs.m_submaps;
- }
- return *this;
+ ConfSimple& operator=(const ConfSimple& rhs) {
+ if (this != &rhs && (status = rhs.status) != STATUS_ERROR) {
+ m_filename = rhs.m_filename;
+ m_submaps = rhs.m_submaps;
+ }
+ return *this;
}
/**
@@ -273,7 +269,7 @@
StatusCode status;
private:
// Set if we're working with a file
- string m_filename;
+ string m_filename;
time_t m_fmtime;
// Configuration data submaps (one per subkey, the main data has a
// null subkey)
@@ -289,8 +285,8 @@
void parseinput(istream& input);
bool write();
// Internal version of set: no RW checking
- virtual int i_set(const string &nm, const string &val,
- const string &sk, bool init = false);
+ virtual int i_set(const string& nm, const string& val,
+ const string& sk, bool init = false);
bool i_changed(bool upd);
};
@@ -298,7 +294,7 @@
* This is a configuration class which attaches tree-like signification to the
* submap names.
*
- * If a given variable is not found in the specified section, it will be
+ * If a given variable is not found in the specified section, it will be
* looked up the tree of section names, and in the global space.
*
* submap names should be '/' separated paths (ie: /sub1/sub2). No checking
@@ -308,43 +304,42 @@
* designated by '/' but by '' (empty subkey). A '/' subkey will not
* be searched at all.
*
- * Note: getNames() : uses ConfSimple method, this does *not* inherit
+ * Note: getNames() : uses ConfSimple method, this does *not* inherit
* names from englobing submaps.
*/
class ConfTree : public ConfSimple {
public:
- /* The constructors just call ConfSimple's, asking for key tilde
+ /* The constructors just call ConfSimple's, asking for key tilde
* expansion */
- ConfTree(const char *fname, int readonly = 0)
- : ConfSimple(fname, readonly, true) {}
- ConfTree(const string &data, int readonly = 0)
- : ConfSimple(data, readonly, true) {}
+ ConfTree(const char *fname, int readonly = 0)
+ : ConfSimple(fname, readonly, true) {}
+ ConfTree(const string& data, int readonly = 0)
+ : ConfSimple(data, readonly, true) {}
ConfTree(int readonly = 0)
- : ConfSimple(readonly, true) {}
+ : ConfSimple(readonly, true) {}
virtual ~ConfTree() {};
- ConfTree(const ConfTree& r) : ConfSimple(r) {};
- ConfTree& operator=(const ConfTree& r)
- {
- ConfSimple::operator=(r);
- return *this;
- }
-
- /**
- * Get value for named parameter, from specified subsection, or its
+ ConfTree(const ConfTree& r) : ConfSimple(r) {};
+ ConfTree& operator=(const ConfTree& r) {
+ ConfSimple::operator=(r);
+ return *this;
+ }
+
+ /**
+ * Get value for named parameter, from specified subsection, or its
* parents.
* @return 0 if name not found, 1 else
*/
- virtual int get(const string &name, string &value, const string &sk) const;
+ virtual int get(const string& name, string& value, const string& sk) const;
};
-/**
+/**
* Use several config files, trying to get values from each in order. Used to
* have a central config, with possible overrides from more specific
* (ie personal) ones.
*
* Notes: it's ok for some of the files not to exist, but the last
- * one must or we generate an error. We open all trees readonly, except the
+ * one must or we generate an error. We open all trees readonly, except the
* topmost one if requested. All writes go to the topmost file. Note that
* erase() won't work except for parameters only defined in the topmost
* file (it erases only from there).
@@ -354,172 +349,164 @@
/// Construct from configuration file names. The earler
/// files in have priority when fetching values. Only the first
/// file will be updated if ro is false and set() is used.
- ConfStack(const vector<string> &fns, bool ro = true)
- {
- construct(fns, ro);
+ ConfStack(const vector<string>& fns, bool ro = true) {
+ construct(fns, ro);
}
/// Construct out of single file name and multiple directories
- ConfStack(const string& nm, const vector<string>& dirs, bool ro = true)
- {
- vector<string> fns;
- for (vector<string>::const_iterator it = dirs.begin();
- it != dirs.end(); it++){
- fns.push_back(path_cat(*it, nm));
- }
- ConfStack::construct(fns, ro);
- }
-
- ConfStack(const ConfStack &rhs)
- : ConfNull()
- {
- init_from(rhs);
- }
-
- virtual ~ConfStack()
- {
- clear();
- m_ok = false;
- }
-
- ConfStack& operator=(const ConfStack &rhs)
- {
- if (this != &rhs){
- clear();
- m_ok = rhs.m_ok;
- if (m_ok)
- init_from(rhs);
- }
- return *this;
- }
-
- virtual bool sourceChanged() const
- {
- typename vector<T*>::const_iterator it;
- for (it = m_confs.begin();it != m_confs.end();it++) {
- if ((*it)->sourceChanged())
- return true;
- }
- return false;
- }
-
- virtual int get(const string &name, string &value, const string &sk) const
- {
- typename vector<T*>::const_iterator it;
- for (it = m_confs.begin();it != m_confs.end();it++) {
- if ((*it)->get(name, value, sk))
- return true;
- }
- return false;
- }
-
- virtual bool hasNameAnywhere(const string& nm) const
- {
- typename vector<T*>::const_iterator it;
- for (it = m_confs.begin();it != m_confs.end();it++) {
- if ((*it)->hasNameAnywhere(nm))
- return true;
- }
- return false;
- }
-
- virtual int set(const string &nm, const string &val,
- const string &sk = string())
- {
- if (!m_ok)
- return 0;
- //LOGDEB2(("ConfStack::set [%s]:[%s] -> [%s]\n", sk.c_str(),
- //nm.c_str(), val.c_str()));
- // Avoid adding unneeded entries: if the new value matches the
- // one out from the deeper configs, erase or dont add it
- // from/to the topmost file
- typename vector<T*>::iterator it = m_confs.begin();
- it++;
- while (it != m_confs.end()) {
- string value;
- if ((*it)->get(nm, value, sk)) {
- // This file has value for nm/sk. If it is the same as the new
- // one, no need for an entry in the topmost file. Else, stop
- // looking and add the new entry
- if (value == val) {
- m_confs.front()->erase(nm, sk);
- return true;
- } else {
- break;
- }
- }
- it++;
- }
-
- return m_confs.front()->set(nm, val, sk);
- }
-
- virtual int erase(const string &nm, const string &sk)
- {
- return m_confs.front()->erase(nm, sk);
- }
- virtual int eraseKey(const string &sk)
- {
- return m_confs.front()->eraseKey(sk);
- }
- virtual bool holdWrites(bool on)
- {
- return m_confs.front()->holdWrites(on);
- }
-
- virtual vector<string> getNames(const string &sk, const char *pattern = 0)
- const
- {
- return getNames1(sk, pattern, false);
- }
- virtual vector<string> getNamesShallow(const string &sk,
- const char *patt = 0) const
- {
- return getNames1(sk, patt, true);
- }
-
- virtual vector<string> getNames1(const string &sk, const char *pattern,
- bool shallow) const
- {
- vector<string> nms;
- typename vector<T*>::const_iterator it;
- bool skfound = false;
- for (it = m_confs.begin(); it != m_confs.end(); it++) {
- if ((*it)->hasSubKey(sk)) {
- skfound = true;
- vector<string> lst = (*it)->getNames(sk, pattern);
- nms.insert(nms.end(), lst.begin(), lst.end());
- }
- if (shallow && skfound)
- break;
- }
- sort(nms.begin(), nms.end());
- vector<string>::iterator uit = unique(nms.begin(), nms.end());
- nms.resize(uit - nms.begin());
- return nms;
- }
-
- virtual vector<string> getSubKeys() const
- {
- return getSubKeys(false);
- }
- virtual vector<string> getSubKeys(bool shallow) const
- {
- vector<string> sks;
- typename vector<T*>::const_iterator it;
- for (it = m_confs.begin(); it != m_confs.end(); it++) {
- vector<string> lst;
- lst = (*it)->getSubKeys();
- sks.insert(sks.end(), lst.begin(), lst.end());
- if (shallow)
- break;
- }
- sort(sks.begin(), sks.end());
- vector<string>::iterator uit = unique(sks.begin(), sks.end());
- sks.resize(uit - sks.begin());
- return sks;
- }
-
- virtual bool ok() const {return m_ok;}
+ ConfStack(const string& nm, const vector<string>& dirs, bool ro = true) {
+ vector<string> fns;
+ for (vector<string>::const_iterator it = dirs.begin();
+ it != dirs.end(); it++) {
+ fns.push_back(path_cat(*it, nm));
+ }
+ ConfStack::construct(fns, ro);
+ }
+
+ ConfStack(const ConfStack& rhs)
+ : ConfNull() {
+ init_from(rhs);
+ }
+
+ virtual ~ConfStack() {
+ clear();
+ m_ok = false;
+ }
+
+ ConfStack& operator=(const ConfStack& rhs) {
+ if (this != &rhs) {
+ clear();
+ m_ok = rhs.m_ok;
+ if (m_ok) {
+ init_from(rhs);
+ }
+ }
+ return *this;
+ }
+
+ virtual bool sourceChanged() const {
+ typename vector<T*>::const_iterator it;
+ for (it = m_confs.begin(); it != m_confs.end(); it++) {
+ if ((*it)->sourceChanged()) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ virtual int get(const string& name, string& value, const string& sk) const {
+ typename vector<T*>::const_iterator it;
+ for (it = m_confs.begin(); it != m_confs.end(); it++) {
+ if ((*it)->get(name, value, sk)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ virtual bool hasNameAnywhere(const string& nm) const {
+ typename vector<T*>::const_iterator it;
+ for (it = m_confs.begin(); it != m_confs.end(); it++) {
+ if ((*it)->hasNameAnywhere(nm)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ virtual int set(const string& nm, const string& val,
+ const string& sk = string()) {
+ if (!m_ok) {
+ return 0;
+ }
+ //LOGDEB2(("ConfStack::set [%s]:[%s] -> [%s]\n", sk.c_str(),
+ //nm.c_str(), val.c_str()));
+ // Avoid adding unneeded entries: if the new value matches the
+ // one out from the deeper configs, erase or dont add it
+ // from/to the topmost file
+ typename vector<T*>::iterator it = m_confs.begin();
+ it++;
+ while (it != m_confs.end()) {
+ string value;
+ if ((*it)->get(nm, value, sk)) {
+ // This file has value for nm/sk. If it is the same as the new
+ // one, no need for an entry in the topmost file. Else, stop
+ // looking and add the new entry
+ if (value == val) {
+ m_confs.front()->erase(nm, sk);
+ return true;
+ } else {
+ break;
+ }
+ }
+ it++;
+ }
+
+ return m_confs.front()->set(nm, val, sk);
+ }
+
+ virtual int erase(const string& nm, const string& sk) {
+ return m_confs.front()->erase(nm, sk);
+ }
+ virtual int eraseKey(const string& sk) {
+ return m_confs.front()->eraseKey(sk);
+ }
+ virtual bool holdWrites(bool on) {
+ return m_confs.front()->holdWrites(on);
+ }
+
+ virtual vector<string> getNames(const string& sk, const char *pattern = 0)
+ const {
+ return getNames1(sk, pattern, false);
+ }
+ virtual vector<string> getNamesShallow(const string& sk,
+ const char *patt = 0) const {
+ return getNames1(sk, patt, true);
+ }
+
+ virtual vector<string> getNames1(const string& sk, const char *pattern,
+ bool shallow) const {
+ vector<string> nms;
+ typename vector<T*>::const_iterator it;
+ bool skfound = false;
+ for (it = m_confs.begin(); it != m_confs.end(); it++) {
+ if ((*it)->hasSubKey(sk)) {
+ skfound = true;
+ vector<string> lst = (*it)->getNames(sk, pattern);
+ nms.insert(nms.end(), lst.begin(), lst.end());
+ }
+ if (shallow && skfound) {
+ break;
+ }
+ }
+ sort(nms.begin(), nms.end());
+ vector<string>::iterator uit = unique(nms.begin(), nms.end());
+ nms.resize(uit - nms.begin());
+ return nms;
+ }
+
+ virtual vector<string> getSubKeys() const {
+ return getSubKeys(false);
+ }
+ virtual vector<string> getSubKeys(bool shallow) const {
+ vector<string> sks;
+ typename vector<T*>::const_iterator it;
+ for (it = m_confs.begin(); it != m_confs.end(); it++) {
+ vector<string> lst;
+ lst = (*it)->getSubKeys();
+ sks.insert(sks.end(), lst.begin(), lst.end());
+ if (shallow) {
+ break;
+ }
+ }
+ sort(sks.begin(), sks.end());
+ vector<string>::iterator uit = unique(sks.begin(), sks.end());
+ sks.resize(uit - sks.begin());
+ return sks;
+ }
+
+ virtual bool ok() const {
+ return m_ok;
+ }
private:
bool m_ok;
@@ -527,44 +514,44 @@
/// Reset to pristine
void clear() {
- typename vector<T*>::iterator it;
- for (it = m_confs.begin();it != m_confs.end();it++) {
- delete (*it);
- }
- m_confs.clear();
+ typename vector<T*>::iterator it;
+ for (it = m_confs.begin(); it != m_confs.end(); it++) {
+ delete(*it);
+ }
+ m_confs.clear();
}
/// Common code to initialize from existing object
- void init_from(const ConfStack &rhs) {
- if ((m_ok = rhs.m_ok)) {
- typename vector<T*>::const_iterator it;
- for (it = rhs.m_confs.begin();it != rhs.m_confs.end();it++) {
- m_confs.push_back(new T(**it));
- }
- }
+ void init_from(const ConfStack& rhs) {
+ if ((m_ok = rhs.m_ok)) {
+ typename vector<T*>::const_iterator it;
+ for (it = rhs.m_confs.begin(); it != rhs.m_confs.end(); it++) {
+ m_confs.push_back(new T(**it));
+ }
+ }
}
/// Common construct from file names code
- void construct(const vector<string> &fns, bool ro) {
- vector<string>::const_iterator it;
- bool lastok = false;
- for (it = fns.begin(); it != fns.end(); it++) {
- T* p = new T(it->c_str(), ro);
- if (p && p->ok()) {
- m_confs.push_back(p);
- lastok = true;
- } else {
- delete p;
- lastok = false;
- if (!ro) {
- // For rw acccess, the topmost file needs to be ok
- // (ro is set to true after the first file)
- break;
- }
- }
- ro = true;
- }
- m_ok = lastok;
+ void construct(const vector<string>& fns, bool ro) {
+ vector<string>::const_iterator it;
+ bool lastok = false;
+ for (it = fns.begin(); it != fns.end(); it++) {
+ T* p = new T(it->c_str(), ro);
+ if (p && p->ok()) {
+ m_confs.push_back(p);
+ lastok = true;
+ } else {
+ delete p;
+ lastok = false;
+ if (!ro) {
+ // For rw acccess, the topmost file needs to be ok
+ // (ro is set to true after the first file)
+ break;
+ }
+ }
+ ro = true;
+ }
+ m_ok = lastok;
}
};