/**
* Generate a C-Style key and stream it.
*
* This keyset can be used to include as c-code for
* applikations using elektra.
*
* @param key the key object to work with
* @param stream the file pointer where to send the stream
* @param options KDB_O_SHOWINDICES, KDB_O_IGNORE_COMMENT, KDB_O_SHOWINFO
* @retval 1 on success
* @ingroup stream
*/
int keyGenerate(const Key * key, FILE *stream, option_t options)
{
size_t s;
char * str;
size_t c;
char * com;
size_t n;
char * nam;
n = keyGetNameSize (key);
if (n>1)
{
nam = (char*) elektraMalloc (n);
if (nam == NULL) return -1;
keyGetName (key, nam, n);
fprintf(stream,"\tkeyNew (\"%s\"", nam);
elektraFree (nam);
}
s = keyGetValueSize (key);
if (s>1)
{
str = (char*) elektraMalloc (s);
if (str == NULL) return -1;
if (keyIsBinary(key)) keyGetBinary(key, str, s);
else keyGetString (key, str, s);
fprintf(stream,", KEY_VALUE, \"%s\"", str);
elektraFree (str);
}
c = keyGetCommentSize (key);
if (c>1)
{
com = (char*) elektraMalloc (c);
if (com == NULL) return -1;
keyGetComment (key, com, c);
fprintf(stream,", KEY_COMMENT, \"%s\"", com);
elektraFree (com);
}
if (! (keyGetMode(key) == 0664 || (keyGetMode(key) == 0775)))
{
fprintf(stream,", KEY_MODE, 0%3o", keyGetMode(key));
}
fprintf(stream,", KEY_END)");
if (options == 0) return 1; /* dummy to make icc happy */
return 1;
}
void test_comment()
{
Key *key;
char ret[10];
succeed_if (key = keyNew(0), "could not create new key");
succeed_if (strcmp (keyComment(key), "") == 0, "Empty comment problem");
succeed_if (keyGetCommentSize(key) == 1, "Empty comment size problem");
succeed_if (keyValue(keyGetMeta(key, "comment")) == 0, "No comment up to now");
succeed_if (keySetComment (key,0) == 1, "could not remove comment");
succeed_if (keyValue(keyGetMeta(key, "comment")) == 0, "There should be an no comment");
succeed_if (!strcmp (keyComment(key), ""), "Empty comment problem");
succeed_if (keyGetCommentSize(key) == 1, "Empty comment size problem");
succeed_if (keyGetComment(key, ret, 0) == -1, "Could not get empty comment");
succeed_if (keyGetComment(key, ret, 1) == 1, "Could not get empty comment");
succeed_if (ret[0] == 0, "keyGetComment did not return empty comment");
succeed_if (keySetComment (key,"") == 1, "could not remove comment");
succeed_if (keyValue(keyGetMeta(key, "comment")) == 0, "There should be an no comment");
succeed_if (!strcmp (keyComment(key), ""), "Empty comment problem");
succeed_if (keyGetCommentSize(key) == 1, "Empty comment size problem");
succeed_if (keyGetComment(key, ret, 0) == -1, "Could not get empty comment");
succeed_if (keyGetComment(key, ret, 1) == 1, "Could not get empty comment");
succeed_if (ret[0] == 0, "keyGetComment did not return empty comment");
succeed_if (keySetComment (key,"mycom") == sizeof("mycom"), "could not set comment");
succeed_if (!strcmp(keyValue(keyGetMeta(key, "comment")), "mycom"), "There should be my comment");
succeed_if (!strcmp (keyComment(key), "mycom"), "My comment problem");
succeed_if (keyGetCommentSize(key) == sizeof("mycom"), "My comment size problem");
succeed_if (keyGetComment(key, ret, 0) == -1, "Could not get my comment");
succeed_if (keyGetComment(key, ret, 1) == -1, "Could not get my comment");
succeed_if (keyGetComment(key, ret, sizeof("mycom")) == sizeof("mycom"), "Could not get my comment");
succeed_if (!strcmp (ret, "mycom"), "keyGetComment did not return my comment");
succeed_if (keyDel (key) == 0, "could not delete key");
}
/*
* Processes the current <key> node from reader, converting from XML
* to a Key object, and ksAppendKey() it to ks.
*
* See keyToStream() for an example of a <key> node.
*
* This function is completelly dependent on libxml.
*
* @param ks where to put the resulting reded key
* @param context a prent key name, so a full name can be calculated
* if the XML node for the current key only provides a basename
* @param reader where to read from
*/
static int consumeKeyNode(KeySet *ks, const char *context, xmlTextReaderPtr reader)
{
xmlChar *nodeName=0;
xmlChar *keyNodeName=0;
xmlChar *buffer=0;
xmlChar *privateContext=0;
Key *newKey=0;
int appended=0;
/* printf("%s", KDB_SCHEMA_PATH); */
keyNodeName=xmlTextReaderName(reader);
if (!strcmp((char *)keyNodeName,"key")) {
mode_t isdir=0;
int isbin=0;
int end=0;
newKey=keyNew(0);
/* a <key> must have one of the following:
- a "name" attribute, used as an absolute name overriding the context
- a "basename" attribute, that will be appended to the current context
- a "parent" plus "basename" attributes, both appended to current context
- only a "parent", appended to current context
*/
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"name");
if (buffer) {
/* set absolute name */
keySetName(newKey,(char *)buffer);
xmlFree(buffer); buffer=0;
} else {
/* logic for relative name calculation */
privateContext=xmlTextReaderGetAttribute(reader,
(const xmlChar *)"parent");
buffer=xmlTextReaderGetAttribute(reader,
(const xmlChar *)"basename");
if (context) keySetName(newKey,context);
if (privateContext) keyAddName(newKey, (char *)privateContext);
if (buffer) keyAddName(newKey,(char *)buffer);
xmlFree(privateContext); privateContext=0;
xmlFree(buffer); buffer=0;
}
/* test for a short value attribute, instead of <value> bellow */
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"value");
if (buffer) {
keySetRaw(newKey,buffer,elektraStrLen((char *)buffer));
xmlFree(buffer); buffer=0;
}
/* Parse UID */
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"uid");
if (buffer) {
int errsave = errno;
char * endptr;
long int uid = strtol ((const char *)buffer, &endptr, 10);
errno = errsave;
if (endptr != '\0' && *endptr == '\0')
{
keySetUID(newKey,uid);
}
xmlFree(buffer); buffer=0;
}
/* Parse GID */
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"gid");
if (buffer) {
int errsave = errno;
char * endptr;
long int gid = strtol ((const char *)buffer, &endptr, 10);
errno = errsave;
if (endptr != '\0' && *endptr == '\0')
{
keySetGID(newKey,gid);
}
xmlFree(buffer); buffer=0;
}
/* Parse mode permissions */
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"mode");
int errsave = errno;
if (buffer) keySetMode(newKey,strtol((char *)buffer,0,0));
errno = errsave;
xmlFree(buffer);
if (xmlTextReaderIsEmptyElement(reader)) {
/* we have a <key ..../> element */
if (newKey && !appended) {
ksAppendKey(ks,newKey);
appended=1;
end=1;
}
}
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"type");
if (buffer)
{
if (!strcmp((char *)buffer,"binary")) isbin = 1;
else if (!strcmp((char *)buffer,"bin")) isbin = 1;
}
xmlFree(buffer);
/* If "isdir" appears, everything different from "0", "false" or "no"
marks it as a dir key */
buffer=xmlTextReaderGetAttribute(reader,(const xmlChar *)"isdir");
if (!isdir && buffer)
{
if ( strcmp((char *)buffer,"0") &&
strcmp((char *)buffer,"false") &&
strcmp((char *)buffer,"no"))
isdir = 1;
else isdir = 0;
}
xmlFree(buffer);
if (isdir) keySetDir(newKey);
if (isbin) keySetMeta (newKey, "binary", "");
// TODO: should parse arbitrary attributes as metadata
/* Parse everything else */
while (!end) {
xmlTextReaderRead(reader);
nodeName=xmlTextReaderName(reader);
if (!strcmp((char *)nodeName,"value")) {
if (xmlTextReaderIsEmptyElement(reader) ||
xmlTextReaderNodeType(reader)==15)
{
xmlFree (nodeName);
continue;
}
xmlTextReaderRead(reader);
buffer=xmlTextReaderValue(reader);
if (buffer) {
/* Key's value type was already set above */
if (keyIsBinary(newKey)) {
/* TODO binary values
char *unencoded=0;
size_t unencodedSize;
unencodedSize=elektraStrLen((char *)buffer)/2;
unencoded=elektraMalloc(unencodedSize);
unencodedSize=kdbbDecode((char *)buffer,unencoded);
if (!unencodedSize) return -1;
keySetRaw(newKey,unencoded,unencodedSize);
elektraFree (unencoded);
*/
} else keySetRaw(newKey,buffer,elektraStrLen((char *)buffer));
}
xmlFree(buffer);
} else if (!strcmp((char *)nodeName,"comment")) {
ssize_t commentSize=0;
if (xmlTextReaderIsEmptyElement(reader) ||
xmlTextReaderNodeType(reader)==15)
{
xmlFree (nodeName);
continue;
}
xmlTextReaderRead(reader);
buffer=xmlTextReaderValue(reader);
if ((commentSize=keyGetCommentSize(newKey)) > 1) {
/*Multiple line comment*/
char *tmpComment=0;
tmpComment=elektraMalloc(commentSize+
xmlStrlen(buffer)*sizeof(xmlChar)+1);
if (tmpComment) {
keyGetComment(newKey,tmpComment,commentSize);
strcat(tmpComment,"\n");
strcat(tmpComment,(char *)buffer);
keySetComment(newKey,tmpComment);
elektraFree (tmpComment); tmpComment=0;
}
} else keySetComment(newKey,(char *)buffer);
xmlFree(buffer);
} else if (!strcmp((char *)nodeName,"key")) {
/* Here we found </key> or a sub <key>.
So include current key in the KeySet. */
if (newKey && !appended) {
ksAppendKey(ks,newKey);
appended=1;
}
if (xmlTextReaderNodeType(reader)==15)
/* found a </key> */
end=1;
else {
/* found a sub <key> */
/* prepare the context (parent) */
consumeKeyNode(ks,newKey->key,reader);
}
}
xmlFree (nodeName);
}
if (privateContext) xmlFree(privateContext);
/* seems like we forgot the key, lets delete it */
if (newKey && !appended) {
keyDel (newKey);
appended=1;
}
}
xmlFree(keyNodeName);
return 0;
}
/**
* Output every information of a single key depending on options.
*
* The format is not very strict and only intend to be read
* by human eyes for debugging purposes. Don't rely on the
* format in your applications.
*
* @param k the key object to work with
* @param stream the file pointer where to send the stream
* @param options see text above
* @see ksOutput()
* @retval 1 on success
* @retval -1 on allocation errors
* @ingroup stream
*/
int keyOutput (const Key * k, FILE *stream, option_t options)
{
time_t t;
size_t s;
char * tmc;
char * str;
size_t c;
char * com;
size_t n;
char * nam;
n = keyGetNameSize (k);
if (n>1)
{
nam = (char*) elektraMalloc (n);
if (nam == NULL) return -1;
keyGetName (k, nam, n);
fprintf(stream,"Name[%d]: %s : ", (int)n, nam);
elektraFree (nam);
}
s = keyGetValueSize (k);
if (options & KEY_VALUE && s>1)
{
str = (char*) elektraMalloc (s);
if (str == NULL) return -1;
if (keyIsBinary(k))
{
/*
char * bin;
bin = (char*) elektraMalloc (s*3+1);
keyGetBinary(k, str, s);
kdbbEncode (str, s, bin);
elektraFree (bin);
*/
keyGetBinary (k, str, s);
fprintf(stream,"Binary[%d]: %s : ", (int)s, str);
} else {
keyGetString (k, str, s);
fprintf(stream,"String[%d]: %s : ", (int)s, str);
}
elektraFree (str);
}
c = keyGetCommentSize (k);
if (options & KEY_COMMENT && c>1)
{
com = (char*) elektraMalloc (c);
if (com == NULL) return -1;
keyGetComment (k, com, c);
fprintf(stream,"Comment[%d]: %s : ", (int)c, com);
elektraFree (com);
}
if (options & KDB_O_SHOWMETA) fprintf(stream," : ");
if (options & KEY_UID) fprintf(stream,"UID: %d : ", (int)keyGetUID (k));
if (options & KEY_GID) fprintf(stream,"GID: %d : ", (int)keyGetGID (k));
if (options & KEY_MODE) fprintf(stream,"Mode: %o : ", (int)keyGetMode (k));
if (options & KEY_ATIME)
{
t=keyGetATime(k);
tmc = ctime (& t);
tmc[24] = '\0';
fprintf(stream,"ATime: %s : ", tmc);
}
if (options & KEY_MTIME)
{
t=keyGetMTime(k);
tmc = ctime (& t);
tmc[24] = '\0';
fprintf(stream,"MTime: %s : ", tmc);
}
if (options & KEY_CTIME)
{
t=keyGetCTime(k);
tmc = ctime (& t);
tmc[24] = '\0';
fprintf(stream,"CTime: %s : ", tmc);
}
if (options & KDB_O_SHOWFLAGS)
{
if (!(options & KDB_O_SHOWMETA)) fprintf(stream, " ");
fprintf (stream,"Flags: ");
if (keyIsBinary(k)) fprintf(stream,"b");
if (keyIsString(k)) fprintf(stream,"s");
if (keyIsInactive(k)) fprintf(stream,"i");
if (keyNeedSync(k)) fprintf(stream,"s");
}
fprintf(stream,"\n");
return 1;
}
