/*
* $Id$
- *
- * Variable substitution type stuff
- *
+ */
+/**
+ * \defgroup Subst Variable substitution type stuff
+ * \ingroup CitadelConfig
*/
+/*@{*/
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
+#include "sysdep.h"
#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
#include <sys/stat.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
+#include <unistd.h>
+#include <dirent.h>
#include <errno.h>
#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
+#define SHOW_ME_VAPPEND_PRINTF
+
#include "webcit.h"
+#include "webserver.h"
-struct wcsubst *global_subst = NULL;
+extern char *static_dirs[PATH_MAX]; /**< Disk representation */
+HashList *WirelessTemplateCache;
+HashList *WirelessLocalTemplateCache;
+HashList *TemplateCache;
+HashList *LocalTemplateCache;
-/*
- * Clear out the list of substitution variables local to this session
+HashList *GlobalNS;
+HashList *Iterators;
+HashList *Contitionals;
+
+int LoadTemplates = 0;
+
+#define SV_GETTEXT 1
+#define SV_CONDITIONAL 2
+#define SV_NEG_CONDITIONAL 3
+#define SV_CUST_STR_CONDITIONAL 4
+#define SV_SUBTEMPL 5
+
+typedef struct _WCTemplate {
+ StrBuf *Data;
+ StrBuf *FileName;
+ int nTokensUsed;
+ int TokenSpace;
+ WCTemplateToken **Tokens;
+} WCTemplate;
+
+typedef struct _HashHandler {
+ int nMinArgs;
+ int nMaxArgs;
+ WCHandlerFunc HandlerFunc;
+}HashHandler;
+
+void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere);
+
+void RegisterNS(const char *NSName, long len, int nMinArgs, int nMaxArgs, WCHandlerFunc HandlerFunc)
+{
+ HashHandler *NewHandler;
+
+ NewHandler = (HashHandler*) malloc(sizeof(HashHandler));
+ NewHandler->nMinArgs = nMinArgs;
+ NewHandler->nMaxArgs = nMaxArgs;
+ NewHandler->HandlerFunc = HandlerFunc;
+ Put(GlobalNS, NSName, len, NewHandler, NULL);
+}
+
+
+/**
+ * \brief debugging function to print array to log
+ */
+void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
+/**
+ * \brief debugging function to print array to log
+ */
+void VarPrintEntry(const char *Key, void *vSubst, int odd)
+{
+ wcsubst *ptr;
+ lprintf(1,"Subst[%s] : ", Key);
+ ptr = (wcsubst*) vSubst;
+
+ switch(ptr->wcs_type) {
+ case WCS_STRING:
+ lprintf(1, " -> %s\n", ChrPtr(ptr->wcs_value));
+ break;
+ case WCS_SERVCMD:
+ lprintf(1, " -> Server [%s]\n", ChrPtr(ptr->wcs_value));
+ break;
+ case WCS_FUNCTION:
+ lprintf(1, " -> function at [%0xd]\n", ptr->wcs_function);
+ break;
+ default:
+ lprintf(1," WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
+ }
+}
+
+
+
+/**
+ * \brief Clear out the list of substitution variables local to this session
+ */
+void clear_substs(struct wcsession *wc) {
+
+ if (wc->vars != NULL) {
+ DeleteHash(&wc->vars);
+ }
+}
+
+/**
+ * \brief Clear out the list of substitution variables local to this session
*/
void clear_local_substs(void) {
- struct wcsubst *ptr;
+ clear_substs (WC);
+}
- while (WC->vars != NULL) {
- ptr = WC->vars->next;
+int NeedNewBuf(type)
+{
+ switch(type) {
+ case WCS_STRING:
+ case WCS_SERVCMD:
+ case WCS_STRBUF:
+ return 1;
+ case WCS_FUNCTION:
+ case WCS_STRBUF_REF:
+ case WCS_LONG:
+ default:
+ return 0;
+ }
+}
- if ((WC->vars->wcs_type == WCS_STRING)
- || (WC->vars->wcs_type == WCS_SERVCMD)) {
- free(WC->vars->wcs_value);
+void FlushPayload(wcsubst *ptr, int reusestrbuf, int type)
+{
+ int NeedNew = NeedNewBuf(type);
+ switch(ptr->wcs_type) {
+ case WCS_STRING:
+ case WCS_SERVCMD:
+ case WCS_STRBUF:
+ if (reusestrbuf && NeedNew) {
+ FlushStrBuf(ptr->wcs_value);
}
+ else {
+
+ FreeStrBuf(&ptr->wcs_value);
+ ptr->wcs_value = NULL;
+ }
+ break;
+ case WCS_FUNCTION:
+ ptr->wcs_function = NULL;
+ if (reusestrbuf && NeedNew)
+ ptr->wcs_value = NewStrBuf();
+ break;
+ case WCS_STRBUF_REF:
+ ptr->wcs_value = NULL;
+ if (reusestrbuf && NeedNew)
+ ptr->wcs_value = NewStrBuf();
+ break;
+ case WCS_LONG:
+ ptr->lvalue = 0;
+ if (reusestrbuf && NeedNew)
+ ptr->wcs_value = NewStrBuf();
+ break;
+ default:
+ if (reusestrbuf && NeedNew)
+ ptr->wcs_value = NewStrBuf();
+ break;
+ }
+}
+
+/**
+ * \brief destructor; kill one entry.
+ */
+void deletevar(void *data)
+{
+ wcsubst *ptr = (wcsubst*)data;
+ FlushPayload(ptr, 0, ptr->wcs_type);
+ free(ptr);
+}
+
+
+wcsubst *NewSubstVar(const char *keyname, int keylen, int type)
+{
+ wcsubst* ptr;
+ struct wcsession *WCC = WC;
+
+ ptr = (wcsubst *) malloc(sizeof(wcsubst));
+ memset(ptr, 0, sizeof(wcsubst));
+
+ ptr->wcs_type = type;
+ safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
+ Put(WCC->vars, keyname, keylen, ptr, deletevar);
- free(WC->vars);
- WC->vars = ptr;
+ switch(ptr->wcs_type) {
+ case WCS_STRING:
+ case WCS_SERVCMD:
+ ptr->wcs_value = NewStrBuf();
+ break;
+ case WCS_STRBUF:
+ case WCS_FUNCTION:
+ case WCS_STRBUF_REF:
+ case WCS_LONG:
+ default:
+ break;
}
+ return ptr;
}
-/*
- * Add a substitution variable (local to this session)
+/**
+ * \brief Add a substitution variable (local to this session) (strlen version...)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
*/
-void svprintf(char *keyname, int keytype, const char *format,...)
+void SVPRINTF(char *keyname, int keytype, const char *format,...)
{
va_list arg_ptr;
- char wbuf[1024];
- struct wcsubst *ptr;
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ size_t keylen;
+ struct wcsession *WCC = WC;
+
+ keylen = strlen(keyname);
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ FlushPayload(ptr, keytype, keytype);
+ ptr->wcs_type = keytype;
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = NewSubstVar(keyname, keylen, keytype);
+ }
+ /** Format the string */
va_start(arg_ptr, format);
- vsprintf(wbuf, format, arg_ptr);
+ StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
va_end(arg_ptr);
+}
- ptr = (struct wcsubst *) malloc(sizeof(struct wcsubst));
- ptr->next = WC->vars;
- ptr->wcs_type = keytype;
- strcpy(ptr->wcs_key, keyname);
- ptr->wcs_value = malloc(strlen(wbuf)+1);
- strcpy(ptr->wcs_value, wbuf);
- WC->vars = ptr;
+/**
+ * \brief Add a substitution variable (local to this session)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
+ */
+void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
+{
+ va_list arg_ptr;
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ struct wcsession *WCC = WC;
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ FlushPayload(ptr, 1, keytype);
+ ptr->wcs_type = keytype;
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = NewSubstVar(keyname, keylen, keytype);
+ }
+
+ /** Format the string and save it */
+ va_start(arg_ptr, format);
+ StrBufVAppendPrintf(ptr->wcs_value, format, arg_ptr);
+ va_end(arg_ptr);
}
-/*
- * Add a substitution variable (local to this session) that does a callback
+/**
+ * \brief Add a substitution variable (local to this session)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
*/
-void svcallback(char *keyname, void (*fcn_ptr)() )
+void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
{
- struct wcsubst *ptr;
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ struct wcsession *WCC = WC;
+
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ FlushPayload(ptr, 1, keytype);
+ ptr->wcs_type = keytype;
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = NewSubstVar(keyname, keylen, keytype);
+ }
+ StrBufAppendBufPlain(ptr->wcs_value, Data, -1, 0);
+}
+
+/**
+ * \brief Add a substitution variable (local to this session)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
+ */
+void SVPutLong(char *keyname, size_t keylen, long Data)
+{
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ struct wcsession *WCC = WC;
+
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ FlushPayload(ptr, 1, WCS_LONG);
+ ptr->wcs_type = WCS_LONG;
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = NewSubstVar(keyname, keylen, WCS_LONG);
+ }
+ ptr->lvalue = Data;
+}
+
+/**
+ * \brief Add a substitution variable (local to this session) that does a callback
+ * \param keyname the keystring to substitute
+ * \param fcn_ptr the function callback to give the substitution string
+ */
+void SVCallback(char *keyname, size_t keylen, var_callback_fptr fcn_ptr)
+{
+ wcsubst *ptr;
+ void *vPtr;
+ struct wcsession *WCC = WC;
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ FlushPayload(ptr, 1, WCS_FUNCTION);
+ ptr->wcs_type = WCS_FUNCTION;
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = NewSubstVar(keyname, keylen, WCS_FUNCTION);
+ }
- ptr = (struct wcsubst *) malloc(sizeof(struct wcsubst));
- ptr->next = WC->vars;
- ptr->wcs_type = WCS_FUNCTION;
- strcpy(ptr->wcs_key, keyname);
ptr->wcs_function = fcn_ptr;
- WC->vars = ptr;
+}
+inline void SVCALLBACK(char *keyname, var_callback_fptr fcn_ptr)
+{
+ SVCallback(keyname, strlen(keyname), fcn_ptr);
}
-/*
- * back end for print_value_of() ... does a server command
+void SVPUTBuf(const char *keyname, int keylen, StrBuf *Buf, int ref)
+{
+ wcsubst *ptr;
+ void *vPtr;
+ struct wcsession *WCC = WC;
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ FlushPayload(ptr, 0, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
+ ptr->wcs_type = (ref)?WCS_STRBUF_REF:WCS_STRBUF;
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = NewSubstVar(keyname, keylen, (ref)?WCS_STRBUF_REF:WCS_STRBUF);
+ }
+ ptr->wcs_value = Buf;
+}
+
+/**
+ * \brief back end for print_value_of() ... does a server command
+ * \param servcmd server command to execute on the citadel server
*/
-void pvo_do_cmd(char *servcmd) {
+void pvo_do_cmd(StrBuf *Target, StrBuf *servcmd) {
char buf[SIZ];
+ int len;
- serv_puts(servcmd);
- serv_gets(buf);
+ serv_puts(ChrPtr(servcmd));
+ len = serv_getln(buf, sizeof buf);
switch(buf[0]) {
case '2':
case '3':
case '5':
- wprintf("%s\n", &buf[4]);
+ StrBufAppendPrintf(Target, "%s\n", &buf[4]);
break;
case '1':
- fmout(NULL);
+ _fmout(Target, "CENTER");
break;
case '4':
- wprintf("%s\n", &buf[4]);
+ StrBufAppendPrintf(Target, "%s\n", &buf[4]);
serv_puts("000");
break;
}
}
-
-
-/*
- * Print the value of a variable
+/**
+ * \brief Print the value of a variable
+ * \param keyname get a key to print
*/
-void print_value_of(char *keyname) {
- struct wcsubst *ptr;
+void print_value_of(StrBuf *Target, const char *keyname, size_t keylen) {
+ struct wcsession *WCC = WC;
+ wcsubst *ptr;
void *fcn();
+ void *vVar;
+
+ /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ /// TODO: debricated!
+ if (keyname[0] == '=') {
+ DoTemplate(keyname+1, keylen - 1, NULL, NULL);
+ }
+
+//////TODO: if param[1] == "U" -> urlescape
+/// X -> escputs
+ /** Page-local variables */
+ if ((WCC->vars!= NULL) && GetHash(WCC->vars, keyname, keylen, &vVar)) {
+ ptr = (wcsubst*) vVar;
+ switch(ptr->wcs_type) {
+ case WCS_STRING:
+ StrBufAppendBuf(Target, ptr->wcs_value, 0);
+ break;
+ case WCS_SERVCMD:
+ pvo_do_cmd(Target, ptr->wcs_value);
+ break;
+ case WCS_FUNCTION:
+ (*ptr->wcs_function) ();
+ break;
+ case WCS_STRBUF:
+ case WCS_STRBUF_REF:
+ StrBufAppendBuf(Target, ptr->wcs_value, 0);
+ break;
+ case WCS_LONG:
+ StrBufAppendPrintf(Target, "%ld", ptr->lvalue);
+ break;
+ default:
+ lprintf(1,"WARNING: invalid value in SV-Hash at %s!", keyname);
+ }
+ }
+}
+
+
+void PutNewToken(WCTemplate *Template, WCTemplateToken *NewToken)
+{
+ if (Template->nTokensUsed + 1 >= Template->TokenSpace) {
+ if (Template->TokenSpace <= 0) {
+ Template->Tokens = (WCTemplateToken**)malloc(
+ sizeof(WCTemplateToken*) * 10);
+ Template->TokenSpace = 10;
+ }
+ else {
+ WCTemplateToken **NewTokens;
+ NewTokens= (WCTemplateToken**)malloc(
+ sizeof(WCTemplateToken*) *
+ Template->TokenSpace * 2);
+ memcpy(NewTokens, Template->Tokens,
+ sizeof(WCTemplateToken*) * Template->nTokensUsed);
+ free(Template->Tokens);
+ Template->TokenSpace *= 2;
+ Template->Tokens = NewTokens;
+ }
+ }
+ Template->Tokens[(Template->nTokensUsed)++] = NewToken;
+}
- for (ptr = WC->vars; ptr != NULL; ptr = ptr->next) {
- if (!strcasecmp(ptr->wcs_key, keyname)) {
- if (ptr->wcs_type == WCS_STRING) {
- wprintf("%s", ptr->wcs_value);
+TemplateParam *GetNextParameter(StrBuf *Buf, const char **pCh, const char *pe, WCTemplateToken *Token, WCTemplate *pTmpl)
+{
+ const char *pch = *pCh;
+ const char *pchs, *pche;
+ TemplateParam *Parm = (TemplateParam *) malloc(sizeof(TemplateParam));
+ char quote = '\0';
+
+ /* Skip leading whitespaces */
+ while ((*pch == ' ' )||
+ (*pch == '\t')||
+ (*pch == '\r')||
+ (*pch == '\n')) pch ++;
+ if (*pch == '"')
+ quote = '"';
+ else if (*pch == '\'')
+ quote = '\'';
+ if (quote != '\0') {
+ pch ++;
+ pchs = pch;
+ Parm->Type = TYPE_STR;
+ while (pch <= pe &&
+ ((*pch != quote) ||
+ ( (pch > pchs) && (*(pch - 1) == '\\'))
+ )) {
+ pch ++;
+ }
+ pche = pch;
+ if (*pch != quote) {
+ lprintf(1, "Error (in '%s' line %ld); "
+ "evaluating template param [%s] in Token [%s]\n",
+ ChrPtr(pTmpl->FileName),
+ Token->Line,
+ ChrPtr(Token->FlatToken),
+ *pCh);
+ pch ++;
+ free(Parm);
+ return NULL;
+ }
+ else {
+ StrBufPeek(Buf, pch, -1, '\0');
+ if (LoadTemplates > 1) {
+ lprintf(1, "DBG: got param [%s] %ld %ld\n",
+ pchs, pche - pchs, strlen(pchs));
}
- else if (ptr->wcs_type == WCS_SERVCMD) {
- pvo_do_cmd(ptr->wcs_value);
+ Parm->Start = pchs;
+ Parm->len = pche - pchs;
+ pch ++; /* move after trailing quote */
+ }
+ }
+ else {
+ Parm->Type = TYPE_LONG;
+ pchs = pch;
+ while ((pch <= pe) &&
+ (isdigit(*pch) ||
+ (*pch == '+') ||
+ (*pch == '-')))
+ pch ++;
+ pch ++;
+ if (pch - pchs > 1){
+ StrBufPeek(Buf, pch, -1, '\0');
+ Parm->lvalue = atol(pchs);
+ Parm->Start = pchs;
+ pch++;
+ }
+ else {
+ Parm->lvalue = 0;
+ lprintf(1, "Error (in '%s' line %ld); "
+ "evaluating long template param [%s] in Token [%s]\n",
+ ChrPtr(pTmpl->FileName),
+ Token->Line,
+ ChrPtr(Token->FlatToken),
+ *pCh);
+ free(Parm);
+ return NULL;
+ }
+ }
+ while ((*pch == ' ' )||
+ (*pch == '\t')||
+ (*pch == '\r')||
+ (*pch == ',' )||
+ (*pch == '\n')) pch ++;
+
+ *pCh = pch;
+ return Parm;
+}
+
+WCTemplateToken *NewTemplateSubstitute(StrBuf *Buf,
+ const char *pStart,
+ const char *pTmplStart,
+ const char *pTmplEnd,
+ long Line,
+ WCTemplate *pTmpl)
+{
+ const char *pch;
+ TemplateParam *Param;
+ WCTemplateToken *NewToken = (WCTemplateToken*)malloc(sizeof(WCTemplateToken));
+
+ NewToken->Flags = 0;
+ NewToken->Line = Line + 1;
+ NewToken->pTokenStart = pTmplStart;
+ NewToken->TokenStart = pTmplStart - pStart;
+ NewToken->TokenEnd = (pTmplEnd - pStart) - NewToken->TokenStart;
+ NewToken->pTokenEnd = pTmplEnd;
+ NewToken->NameEnd = NewToken->TokenEnd - 2;
+ NewToken->FlatToken = NewStrBufPlain(pTmplStart, pTmplEnd - pTmplStart);
+
+ StrBufPeek(Buf, pTmplStart, + 1, '\0');
+ StrBufPeek(Buf, pTmplEnd, -1, '\0');
+ pch = NewToken->pName = pTmplStart + 2;
+
+ NewToken->HaveParameters = 0;;
+ NewToken->nParameters = 0;
+
+ while (pch < pTmplEnd - 1) {
+ if (*pch == '(') {
+ StrBufPeek(Buf, pch, -1, '\0');
+ NewToken->NameEnd = pch - NewToken->pName;
+ pch ++;
+ while (pch < pTmplEnd - 1) {
+ Param = GetNextParameter(Buf, &pch, pTmplEnd - 1, NewToken, pTmpl);
+ if (Param != NULL) {
+ NewToken->HaveParameters = 1;
+ if (NewToken->nParameters > MAXPARAM) {
+ lprintf(1, "Only %ld Tokens supported!\n", MAXPARAM);
+ free(Param);
+ return NULL;
+ }
+ NewToken->Params[NewToken->nParameters++] = Param;
+ }
+ else break;
}
- else if (ptr->wcs_type == WCS_FUNCTION) {
- (*ptr->wcs_function) ();
+ if((NewToken->NameEnd == 1) &&
+ (NewToken->HaveParameters == 1))
+
+ {
+ if ((NewToken->nParameters == 1) &&
+ (*(NewToken->pName) == '_'))
+ NewToken->Flags = SV_GETTEXT;
+ else if ((NewToken->nParameters == 1) &&
+ (*(NewToken->pName) == '='))
+ NewToken->Flags = SV_SUBTEMPL;
+ else if ((NewToken->nParameters >= 2) &&
+ (*(NewToken->pName) == '%'))
+ NewToken->Flags = SV_CUST_STR_CONDITIONAL;
+ else if ((NewToken->nParameters >= 2) &&
+ (*(NewToken->pName) == '?'))
+ NewToken->Flags = SV_CONDITIONAL;
+ else if ((NewToken->nParameters >=2) &&
+ (*(NewToken->pName) == '!'))
+ NewToken->Flags = SV_NEG_CONDITIONAL;
}
}
+ else pch ++;
}
+ return NewToken;
}
+void FreeToken(WCTemplateToken **Token)
+{
+ int i;
+ FreeStrBuf(&(*Token)->FlatToken);
+ if ((*Token)->HaveParameters)
+ for (i = 0; i < (*Token)->nParameters; i++)
+ free((*Token)->Params[i]);
+ free(*Token);
+ *Token = NULL;
+}
-/*
- * Display a variable-substituted template
- */
-void do_template(void *templatename) {
- char filename[PATH_MAX];
- FILE *fp;
- char inbuf[1024];
- char outbuf[sizeof inbuf];
- char key[sizeof inbuf];
- int i, pos;
-
- strcpy(filename, "static/");
- strcat(filename, templatename);
- if (WC->is_wap)
- strcat(filename, ".wml");
- else
- strcat(filename, ".html");
-
- fp = fopen(filename, "r");
- if (fp == NULL) {
- wprintf("<BLINK>ERROR</BLINK> - could not open template ");
- wprintf("'%s' - %s<BR>\n",
- templatename, strerror(errno));
- return;
+
+void FreeWCTemplate(void *vFreeMe)
+{
+ int i;
+ WCTemplate *FreeMe = (WCTemplate*)vFreeMe;
+
+ if (FreeMe->TokenSpace > 0) {
+ for (i = 0; i < FreeMe->nTokensUsed; i ++) {
+ FreeToken(&FreeMe->Tokens[i]);
+ }
+ free(FreeMe->Tokens);
}
+ FreeStrBuf(&FreeMe->FileName);
+ FreeStrBuf(&FreeMe->Data);
+ free(FreeMe);
+}
+
- strcpy(inbuf, "");
+int EvaluateConditional(WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int Neg, int state)
+{
+ void *vConditional;
+ ConditionalStruct *Cond;
- while (fgets(inbuf, sizeof inbuf, fp) != NULL) {
- strcpy(outbuf, "");
+ if ((Token->Params[0]->len == 1) &&
+ (Token->Params[0]->Start[0] == 'X'))
+ return (state != 0)?Token->Params[1]->lvalue:0;
- while (strlen(inbuf) > 0) {
- pos = (-1);
- for (i=strlen(inbuf); i>=0; --i) {
- if ((inbuf[i]=='<')&&(inbuf[i+1]=='?')) pos = i;
- }
- if (pos < 0) {
- wprintf("%s", inbuf);
- strcpy(inbuf, "");
+ if (!GetHash(Contitionals,
+ Token->Params[0]->Start,
+ Token->Params[0]->len,
+ &vConditional)) {
+ lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
+ Token->Params[0]->Start,
+ ChrPtr(pTmpl->FileName),
+ Token->Line,
+ ChrPtr(Token->FlatToken));
+ }
+
+ Cond = (ConditionalStruct *) vConditional;
+
+ if (Cond == NULL) {
+ lprintf(1, "Conditional [%s] (in '%s' line %ld); Not found![%s]\n",
+ Token->Params[0]->Start,
+ ChrPtr(pTmpl->FileName),
+ Token->Line,
+ ChrPtr(Token->FlatToken));
+ return 0;
+ }
+ if (Token->nParameters < Cond->nParams) {
+ lprintf(1, "Conditional [%s] (in '%s' line %ld); needs %ld Params![%s]\n",
+ Token->Params[0]->Start,
+ ChrPtr(pTmpl->FileName),
+ Token->Line,
+ Cond->nParams,
+ ChrPtr(Token->FlatToken));
+ return 0;
+ }
+ if (Cond->CondF(Token, Context) == Neg)
+ return Token->Params[1]->lvalue;
+ return 0;
+}
+
+int EvaluateToken(StrBuf *Target, WCTemplateToken *Token, WCTemplate *pTmpl, void *Context, int state)
+{
+ void *vVar;
+// much output, since pName is not terminated...
+// lprintf(1,"Doing token: %s\n",Token->pName);
+ switch (Token->Flags) {
+ case SV_GETTEXT:
+ TmplGettext(Target, Token->nParameters, Token);
+ break;
+ case SV_CONDITIONAL: /** Forward conditional evaluation */
+ return EvaluateConditional(Token, pTmpl, Context, 1, state);
+ break;
+ case SV_NEG_CONDITIONAL: /** Reverse conditional evaluation */
+ return EvaluateConditional(Token, pTmpl, Context, 0, state);
+ break;
+ case SV_CUST_STR_CONDITIONAL: /** Conditional put custom strings from params */
+ if (Token->nParameters >= 6) {
+ if (EvaluateConditional(Token, pTmpl, Context, 0, state))
+ StrBufAppendBufPlain(Target,
+ Token->Params[5]->Start,
+ Token->Params[5]->len,
+ 0);
+ else
+ StrBufAppendBufPlain(Target,
+ Token->Params[4]->Start,
+ Token->Params[4]->len,
+ 0);
+ }
+ break;
+ case SV_SUBTEMPL:
+ if (Token->nParameters == 1)
+ DoTemplate(Token->Params[0]->Start, Token->Params[0]->len, NULL, NULL);
+ break;
+ default:
+ if (GetHash(GlobalNS, Token->pName, Token->NameEnd, &vVar)) {
+ HashHandler *Handler;
+ Handler = (HashHandler*) vVar;
+ if ((Token->nParameters < Handler->nMinArgs) ||
+ (Token->nParameters > Handler->nMaxArgs)) {
+ lprintf(1, "Handler [%s] doesn't work with %ld params",
+ Token->pName,
+ Token->nParameters);
}
else {
- strncpy(outbuf, inbuf, pos);
- outbuf[pos] = 0;
- wprintf("%s", outbuf);
- strcpy(inbuf, &inbuf[pos]);
- pos = 1;
- for (i=strlen(inbuf); i>=0; --i) {
- if (inbuf[i]=='>') pos = i;
+ Handler->HandlerFunc(Target,
+ Token->nParameters,
+ Token,
+ Context); /*TODO: subset of that */
+
+
+ }
+ }
+ else {
+ print_value_of(Target, Token->pName, Token->NameEnd);
+ }
+ }
+ return 0;
+}
+
+void ProcessTemplate(WCTemplate *Tmpl, StrBuf *Target, void *Context)
+{
+ WCTemplate *pTmpl = Tmpl;
+ int done = 0;
+ int i, state;
+ const char *pData, *pS;
+ long len;
+
+ if (LoadTemplates != 0) {
+ if (LoadTemplates > 1)
+ lprintf(1, "DBG: ----- loading: [%s] ------ \n",
+ ChrPtr(Tmpl->FileName));
+ pTmpl = load_template(Tmpl->FileName, NULL, NULL);
+ }
+
+ pS = pData = ChrPtr(pTmpl->Data);
+ len = StrLength(pTmpl->Data);
+ i = 0;
+ state = 0;
+ while (!done) {
+ if (i >= pTmpl->nTokensUsed) {
+ StrBufAppendBufPlain(Target,
+ pData,
+ len - (pData - pS), 0);
+ done = 1;
+ }
+ else {
+ StrBufAppendBufPlain(
+ Target, pData,
+ pTmpl->Tokens[i]->pTokenStart - pData, 0);
+ state = EvaluateToken(Target, pTmpl->Tokens[i], pTmpl, Context, state);
+ while ((state != 0) && (i+1 < pTmpl->nTokensUsed)) {
+ /* condition told us to skip till its end condition */
+ i++;
+ if ((pTmpl->Tokens[i]->Flags == SV_CONDITIONAL) ||
+ (pTmpl->Tokens[i]->Flags == SV_NEG_CONDITIONAL)) {
+ if (state == EvaluateConditional(pTmpl->Tokens[i],
+ pTmpl,
+ Context,
+ pTmpl->Tokens[i]->Flags,
+ state))
+ state = 0;
}
- strncpy(key, &inbuf[2], pos-2);
- key[pos-2] = 0;
- print_value_of(key);
- strcpy(inbuf, &inbuf[pos+1]);
}
+ pData = pTmpl->Tokens[i++]->pTokenEnd + 1;
+ if (i > pTmpl->nTokensUsed)
+ done = 1;
}
}
+ if (LoadTemplates != 0) {
+ FreeWCTemplate(pTmpl);
+ }
+}
+
+
+/**
+ * \brief Display a variable-substituted template
+ * \param templatename template file to load
+ */
+void *prepare_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
+{
+ WCTemplate *NewTemplate;
+ NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
+ NewTemplate->Data = NULL;
+ NewTemplate->FileName = NewStrBufDup(filename);
+ NewTemplate->nTokensUsed = 0;
+ NewTemplate->TokenSpace = 0;
+ NewTemplate->Tokens = NULL;
- fclose(fp);
+ Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
+ return NewTemplate;
}
+
+/**
+ * \brief Display a variable-substituted template
+ * \param templatename template file to load
+ */
+void *load_template(StrBuf *filename, StrBuf *Key, HashList *PutThere)
+{
+ int fd;
+ struct stat statbuf;
+ const char *pS, *pE, *pch, *Err;
+ long Line;
+ int pos;
+ WCTemplate *NewTemplate;
+
+ fd = open(ChrPtr(filename), O_RDONLY);
+ if (fd <= 0) {
+ lprintf(1, "ERROR: could not open template '%s' - %s\n",
+ ChrPtr(filename), strerror(errno));
+ return NULL;
+ }
+
+ if (fstat(fd, &statbuf) == -1) {
+ lprintf(1, "ERROR: could not stat template '%s' - %s\n",
+ ChrPtr(filename), strerror(errno));
+ return NULL;
+ }
+
+ NewTemplate = (WCTemplate *) malloc(sizeof(WCTemplate));
+ NewTemplate->Data = NewStrBufPlain(NULL, statbuf.st_size);
+ NewTemplate->FileName = NewStrBufDup(filename);
+ NewTemplate->nTokensUsed = 0;
+ NewTemplate->TokenSpace = 0;
+ NewTemplate->Tokens = NULL;
+ if (StrBufReadBLOB(NewTemplate->Data, &fd, 1, statbuf.st_size, &Err) < 0) {
+ close(fd);
+ FreeWCTemplate(NewTemplate);
+ lprintf(1, "ERROR: reading template '%s' - %s<br />\n",
+ ChrPtr(filename), strerror(errno));
+ return NULL;
+ }
+ close(fd);
+
+ Line = 0;
+ pS = pch = ChrPtr(NewTemplate->Data);
+ pE = pS + StrLength(NewTemplate->Data);
+ while (pch < pE) {
+ const char *pts, *pte;
+ int InQuotes = 0;
+ int InDoubleQuotes = 0;
+ pos = (-1);
+ for (; pch < pE; pch ++) {
+ if ((*pch=='<')&&(*(pch + 1)=='?'))
+ break;
+ if (*pch=='\n') Line ++;
+ }
+ if (pch >= pE)
+ continue;
+ pts = pch;
+ for (; pch < pE - 1; pch ++) {
+ if (*pch == '"')
+ InDoubleQuotes = ! InDoubleQuotes;
+ else if (*pch == '\'')
+ InQuotes = ! InQuotes;
+ else if ((!InQuotes && !InDoubleQuotes) &&
+ ((*pch!='\\')&&(*(pch + 1)=='>'))) {
+ pch ++;
+ break;
+ }
+ }
+ if (pch + 1 >= pE)
+ continue;
+ pte = pch;
+ PutNewToken(NewTemplate,
+ NewTemplateSubstitute(NewTemplate->Data, pS, pts, pte, Line, NewTemplate));
+ pch ++;
+ }
+ if (LoadTemplates == 0)
+ Put(PutThere, ChrPtr(Key), StrLength(Key), NewTemplate, FreeWCTemplate);
+ return NewTemplate;
+}
+
+
+///void PrintTemplate(const char *Key, void *vSubst, int odd)
+const char* PrintTemplate(void *vSubst)
+{
+ WCTemplate *Tmpl = vSubst;
+
+ return ChrPtr(Tmpl->FileName);
+
+}
+
+
+/**
+ * \brief Display a variable-substituted template
+ * \param templatename template file to load
+ */
+void DoTemplate(const char *templatename, long len, void *Context, StrBuf *Target)
+{
+ HashList *Static;
+ HashList *StaticLocal;
+ void *vTmpl;
+
+ if (Target == NULL)
+ Target = WC->WBuf;
+ if (WC->is_mobile) {
+ Static = WirelessTemplateCache;
+ StaticLocal = WirelessLocalTemplateCache;
+ }
+ else {
+ Static = TemplateCache;
+ StaticLocal = LocalTemplateCache;
+ }
+
+ if (!GetHash(StaticLocal, templatename, len, &vTmpl) &&
+ !GetHash(Static, templatename, len, &vTmpl)) {
+ printf ("didn't find %s %ld %ld\n", templatename, len , (long)strlen(templatename));
+/// dbg_PrintHash(Static, PrintTemplate, NULL);
+// PrintHash(Static, VarPrintTransition, PrintTemplate);
+ return;
+ }
+ if (vTmpl == NULL)
+ return;
+ ProcessTemplate(vTmpl, Target, Context);
+}
+
+int LoadTemplateDir(const char *DirName, HashList *wireless, HashList *big)
+{
+ StrBuf *FileName;
+ StrBuf *Tag;
+ StrBuf *Dir;
+ DIR *filedir = NULL;
+ struct dirent *filedir_entry;
+ int d_namelen;
+ int d_without_ext;
+ int IsMobile;
+
+ Dir = NewStrBuf();
+ StrBufPrintf(Dir, "%s/t", DirName);
+ filedir = opendir (ChrPtr(Dir));
+ if (filedir == NULL) {
+ return 0;
+ }
+
+ FileName = NewStrBuf();
+ Tag = NewStrBuf();
+ while ((filedir_entry = readdir(filedir)))
+ {
+ char *MinorPtr;
+ char *PStart;
+#ifdef _DIRENT_HAVE_D_NAMELEN
+ d_namelen = filedir_entry->d_namelen;
+#else
+ d_namelen = strlen(filedir_entry->d_name);
+#endif
+ d_without_ext = d_namelen;
+ while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
+ d_without_ext --;
+ if ((d_without_ext == 0) || (d_namelen < 3))
+ continue;
+
+ IsMobile = (strstr(filedir_entry->d_name, ".m.html")!= NULL);
+ PStart = filedir_entry->d_name;
+ StrBufPrintf(FileName, "%s/%s", ChrPtr(Dir), filedir_entry->d_name);
+ MinorPtr = strchr(filedir_entry->d_name, '.');
+ if (MinorPtr != NULL)
+ *MinorPtr = '\0';
+ StrBufPlain(Tag, filedir_entry->d_name, MinorPtr - filedir_entry->d_name);
+
+
+ printf("%s %d %s\n",ChrPtr(FileName), IsMobile, ChrPtr(Tag));
+ if (LoadTemplates == 0)
+ load_template(FileName, Tag, (IsMobile)?wireless:big);
+ else
+ prepare_template(FileName, Tag, (IsMobile)?wireless:big);
+ }
+ closedir(filedir);
+ FreeStrBuf(&FileName);
+ FreeStrBuf(&Tag);
+ FreeStrBuf(&Dir);
+ return 1;
+}
+
+void InitTemplateCache(void)
+{
+ LoadTemplateDir(static_dirs[0],
+ WirelessTemplateCache,
+ TemplateCache);
+ LoadTemplateDir(static_dirs[1],
+ WirelessLocalTemplateCache,
+ LocalTemplateCache);
+}
+
+void tmplput_serv_ip(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
+}
+
+void tmplput_serv_nodename(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, serv_info.serv_nodename, 0, 0);
+}
+
+void tmplput_serv_humannode(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, serv_info.serv_humannode, 0, 0);
+}
+
+void tmplput_serv_fqdn(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, serv_info.serv_fqdn, 0, 0);
+}
+
+void tmmplput_serv_software(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, serv_info.serv_software, 0, 0);
+}
+
+void tmplput_serv_rev_level(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrBufAppendPrintf(Target, "%d.%02d",
+ serv_info.serv_rev_level / 100,
+ serv_info.serv_rev_level % 100);
+}
+
+void tmmplput_serv_bbs_city(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, serv_info.serv_bbs_city, 0, 0);
+}
+
+void tmplput_current_user(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, WC->wc_fullname, 0, 0);
+}
+
+void tmplput_current_room(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrEscAppend(Target, NULL, WC->wc_roomname, 0, 0);
+}
+
+
+typedef struct _HashIterator {
+ HashList *StaticList;
+ RetrieveHashlistFunc GetHash;
+ HashDestructorFunc Destructor;
+ SubTemplFunc DoSubTemplate;
+} HashIterator;
+
+void tmpl_iterate_subtmpl(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ void *vIt;
+ HashIterator *It;
+ HashList *List;
+ HashPos *it;
+ long len;
+ const char *Key;
+ void *vContext;
+ StrBuf *SubBuf;
+ int oddeven = 0;
+
+ if (!GetHash(Iterators,
+ Tokens->Params[0]->Start,
+ Tokens->Params[0]->len,
+ &vIt))
+ return;
+ It = (HashIterator*) vIt;
+ if (It->StaticList == NULL)
+ List = It->GetHash();
+ else
+ List = It->StaticList;
+
+ SubBuf = NewStrBuf();
+ it = GetNewHashPos();
+ while (GetNextHashPos(List, it, &len, &Key, &vContext)) {
+ svprintf(HKEY("ITERATE:ODDEVEN"), WCS_STRING, "%s", (oddeven)?"odd":"even");
+ It->DoSubTemplate(SubBuf, vContext);
+ DoTemplate(Tokens->Params[1]->Start,
+ Tokens->Params[1]->len,
+ vContext, SubBuf);
+
+ StrBufAppendBuf(Target, SubBuf, 0);
+ FlushStrBuf(SubBuf);
+ oddeven = ~ oddeven;
+ }
+ FreeStrBuf(&SubBuf);
+ DeleteHashPos(&it);
+ It->Destructor(List);
+}
+
+int ConditionalVar(WCTemplateToken *Tokens, void *Context)
+{
+ void *vsubst;
+ wcsubst *subst;
+
+ if (!GetHash(WC->vars,
+ Tokens->Params[2]->Start,
+ Tokens->Params[2]->len,
+ &vsubst))
+ return 0;
+ subst = (wcsubst*) vsubst;
+ switch(subst->wcs_type) {
+ case WCS_FUNCTION:
+ return (subst->wcs_function!=NULL);
+ case WCS_SERVCMD:
+ lprintf(1, " -> Server [%s]\n", subst->wcs_value);////todo
+ return 1;
+ case WCS_STRING:
+ case WCS_STRBUF:
+ case WCS_STRBUF_REF:
+ if (Tokens->nParameters < 4)
+ return 1;
+ return (strcmp(Tokens->Params[3]->Start, ChrPtr(subst->wcs_value)) == 0);
+ case WCS_LONG:
+ if (Tokens->nParameters < 4)
+ return (subst->lvalue != 0);
+ return (subst->lvalue == Tokens->Params[3]->lvalue);
+ default:
+ lprintf(1," WARNING: invalid type: [%ld]!\n", subst->wcs_type);
+ }
+ return 0;
+}
+
+void RegisterITERATOR(const char *Name, long len,
+ HashList *StaticList,
+ RetrieveHashlistFunc GetHash,
+ SubTemplFunc DoSubTempl,
+ HashDestructorFunc Destructor)
+{
+ HashIterator *It = (HashIterator*)malloc(sizeof(HashIterator));
+ It->StaticList = StaticList;
+ It->GetHash = GetHash;
+ It->DoSubTemplate = DoSubTempl;
+ It->Destructor = Destructor;
+ Put(Iterators, Name, len, It, NULL);
+}
+
+void RegisterConditional(const char *Name, long len,
+ int nParams,
+ WCConditionalFunc CondF)
+{
+ ConditionalStruct *Cond = (ConditionalStruct*)malloc(sizeof(ConditionalStruct));
+ Cond->nParams = nParams;
+ Cond->CondF = CondF;
+ Put(Contitionals, Name, len, Cond, NULL);
+}
+
+void tmpl_do_boxed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ if (nArgs == 2) {
+ StrBuf *Headline = NewStrBuf();
+ DoTemplate(Tokens->Params[1]->Start,
+ Tokens->Params[1]->len,
+ Context,
+ Headline);
+ SVPutBuf("BOXTITLE", Headline, 0);
+ }
+
+ DoTemplate(HKEY("beginbox"), Context, Target);
+ DoTemplate(Tokens->Params[0]->Start,
+ Tokens->Params[0]->len,
+ Context,
+ Target);
+ DoTemplate(HKEY("endbox"), Context, Target);
+}
+
+void tmpl_do_tabbed(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context)
+{
+ StrBuf **TabNames;
+ int i, ntabs, nTabs;
+
+ nTabs = ntabs = Tokens->nParameters / 2;
+ TabNames = (StrBuf **) malloc(ntabs * sizeof(StrBuf*));
+
+ for (i = 0; i < ntabs; i++) {
+ TabNames[i] = NewStrBuf();
+ if (Tokens->Params[i * 2]->len > 0) {
+ DoTemplate(Tokens->Params[i * 2]->Start,
+ Tokens->Params[i * 2]->len,
+ Context,
+ TabNames[i]);
+ }
+ else {
+ /** A Tab without subject? we can't count that, add it as silent */
+ nTabs --;
+ }
+ }
+
+ StrTabbedDialog(Target, nTabs, TabNames);
+ for (i = 0; i < ntabs; i++) {
+ StrBeginTab(Target, i, nTabs);
+
+ DoTemplate(Tokens->Params[i * 2 + 1]->Start,
+ Tokens->Params[i * 2 + 1]->len,
+ Context,
+ Target);
+ StrEndTab(Target, i, nTabs);
+ }
+}
+
+void
+InitModule_SUBST
+(void)
+{
+ RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip);
+ RegisterNamespace("SERV:NODENAME", 0, 0, tmplput_serv_nodename);
+ RegisterNamespace("SERV:HUMANNODE", 0, 0, tmplput_serv_humannode);
+ RegisterNamespace("SERV:FQDN", 0, 0, tmplput_serv_fqdn);
+ RegisterNamespace("SERV:SOFTWARE", 0, 0, tmmplput_serv_software);
+ RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level);
+ RegisterNamespace("SERV:BBS_CITY", 0, 0, tmmplput_serv_bbs_city);
+/// RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmmplput_serv_ldap_enabled);
+ RegisterNamespace("CURRENT_USER", 0, 0, tmplput_current_user);
+ RegisterNamespace("CURRENT_ROOM", 0, 0, tmplput_current_room);
+ RegisterNamespace("ITERATE", 2, 4, tmpl_iterate_subtmpl);
+ RegisterNamespace("DOBOXED", 1, 2, tmpl_do_boxed);
+ RegisterNamespace("DOTABBED", 2, 100, tmpl_do_tabbed);
+ RegisterConditional(HKEY("COND:SUBST"), 3, ConditionalVar);
+}
+
+/*@}*/
projects / citadel.git / blobdiff