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authorMatej Cepl <mcepl@redhat.com>2008-02-26 17:27:08 +0100
committerMatej Cepl <mcepl@redhat.com>2008-02-26 17:27:08 +0100
commitc50ce75f2e06b6b8abe49e34775d343b74f7e8cd (patch)
tree14c314e39296b0c3abe781e4dac194949e220136 /wlp/C
downloadpyg-0.9.7.tar.gz
The original upstream from Debian orig.tar.gz tarball.0.9.7
Diffstat (limited to 'wlp/C')
-rw-r--r--wlp/C/Makefile43
-rw-r--r--wlp/C/commands.l75
-rw-r--r--wlp/C/commands.y110
-rw-r--r--wlp/C/macro.h44
-rw-r--r--wlp/C/structs.c164
-rw-r--r--wlp/C/structs.h35
-rw-r--r--wlp/C/test.c113
-rw-r--r--wlp/C/wlp.c183
-rw-r--r--wlp/C/yytest.c25
9 files changed, 792 insertions, 0 deletions
diff --git a/wlp/C/Makefile b/wlp/C/Makefile
new file mode 100644
index 0000000..6bc8fc3
--- /dev/null
+++ b/wlp/C/Makefile
@@ -0,0 +1,43 @@
+CC=gcc
+AR=ar
+FLEX=flex
+YACC=bison
+
+CCOPTS=-Wall -ansi
+CCSHARED=-fPIC
+AROPTS=-rs
+FLEXOPTS=
+YACCOPTS=-d
+
+SRCDIR=.
+BINDIR=.
+
+OBJFILE=structs.o commands.tab.o lex.yy.o
+
+all: archive bin
+
+# archive file for python module
+archive: structs bison flex /usr/lib/libfl.a macro.h structs.h commands.tab.h
+ $(AR) $(AROPTS) $(BINDIR)/wlp.a $(OBJFILE) \
+ /usr/lib/libfl.a
+
+# binary (executable) file for testing
+executable: bin
+
+bin: structs bison flex /usr/lib/libfl.a macro.h structs.h commands.tab.h
+ $(CC) $(CCSHARED) $(CCOPTS) $(OBJFILE) \
+ yytest.c /usr/lib/libfl.a -o ./yytest
+
+flex:
+ $(FLEX) $(FLEXOPTS) commands.l
+ $(CC) $(CCSHARED) -c lex.yy.c -o lex.yy.o
+
+bison:
+ $(YACC) $(YACCOPTS) -d commands.y -b commands
+ $(CC) $(CCSHARED) -c commands.tab.c -o commands.tab.o
+
+structs:
+ $(CC) $(CCSHARED) $(CCOPTS) -c structs.c -o structs.o
+
+clean:
+ -rm $(OBJFILE) lex.yy.c commands.tab.h commands.tab.c wlp.a yytest
diff --git a/wlp/C/commands.l b/wlp/C/commands.l
new file mode 100644
index 0000000..8f0f28e
--- /dev/null
+++ b/wlp/C/commands.l
@@ -0,0 +1,75 @@
+%{
+/* Lex analyzer for bison grammar */
+
+#include "commands.tab.h"
+/*#define DEBUG*/
+#include "macro.h"
+%}
+
+OWNER "<"[a-zA-Z0-9_.+-]+@[a-zA-Z0-9._-]+">"
+VAL ['`"][a-zA-Z0-9@_+.<>() -]+['`"]
+VAR [a-zA-Z0-9_<>-]+[:]?
+
+%option noyywrap
+
+%%
+
+
+
+
+{OWNER} {
+ DBG("OWNER %s\n",yytext);
+ yylval.text=yytext;
+ return(OWNERID);
+ }
+
+
+{VAL} {
+ DBG("VAL %s\n",yytext);
+ yylval.text=yytext;
+ return(VALID);
+ }
+
+{VAR} {
+ DBG("VAR %s\n",yytext);
+ yylval.text=yytext;
+ return(VARID);
+ }
+
+
+"{" |
+"}" |
+"=" {
+ yylval.text=yytext;
+ return(*yytext);
+ }
+
+
+"#"[^\n]* |
+"\n" |
+[[:space:]] ; /* comments 'til EOL and strip all spaces and \n */
+
+
+"." {
+ DBG("NOTSTR %s\n",yytext);
+ yylval.text=yytext;
+ return(ERROR);
+ }
+
+
+%%
+
+#include "structs.h"
+
+extern struct wlp_list_t *list;
+
+int parse(FILE *file)
+{
+ struct wlp_node_t *tmp;
+ int count;
+ yyin=file;
+
+ DBG("go!\n");
+ yyparse();
+ DBG("EOF found\n");
+}
diff --git a/wlp/C/commands.y b/wlp/C/commands.y
new file mode 100644
index 0000000..8b720d7
--- /dev/null
+++ b/wlp/C/commands.y
@@ -0,0 +1,110 @@
+
+%{
+/*#define YYSTYPE char**/
+/*#define DEBUG*/
+#include "macro.h"
+%}
+
+%union {
+ char *text;
+ char c;
+}
+
+%token <text> VARID
+%token <text> VALID
+%token <text> OWNERID
+
+%token ERROR
+%token EOFTOK
+
+
+%{
+char left[80], right[80], owner[80];
+char type = 0; /*unused*/
+%}
+
+%%
+
+
+block:
+ blockstatement
+ | block blockstatement
+ ;
+
+blockstatement:
+ owner '{' commandline '}'
+ ;
+
+commandline:
+ command | commandline command
+ ;
+
+command:
+ varpart '=' valpart { found(left,right,owner); }
+ ;
+
+owner:
+ OWNERID {
+ DBG("Owner %s\n",$1);
+ strncpy(owner,$1,strlen($1)+1);
+ }
+ ;
+
+varpart:
+ VARID {
+ DBG("Left %s\n",$1);
+ strncpy(left,$1,strlen($1)+1);
+ }
+ ;
+
+valpart:
+ VALID {
+ DBG("Right %s\n",$1);
+ strncpy(right,$1,strlen($1)+1);
+ }
+ ;
+
+%%
+
+#include <ctype.h>
+#include <stdio.h>
+#include "structs.h"
+
+extern struct wlp_list_t *list;
+
+int yyerror (char *s) /* Called by yyparse on error */
+{
+ printf ("error: %s\n", s);
+ return 1;
+}
+
+int found(const char* left, const char* right, const char *owner)
+{
+ static struct wlp_node_t *node;
+
+ /* alloc node with non-empty fields (ie alloc them too)*/
+ node = wlpn_alloc(FALSE);
+ if(!node) {
+ DBG("wlpn_alloc in found returned NULL\n");
+ }
+
+ strncpy(node->right,right,strlen(right));
+ strncpy(node->left,left,strlen(left));
+ strncpy(node->owner,owner,strlen(owner));
+
+ #ifndef WITHQUOTES
+ /* remove quotes of value part */
+ node->right += 1;
+ node->right[strlen(node->right)-1] = '\0';
+ #endif
+ #ifndef WITHANGBRACKETS
+ /* remove angle brackets of owner part */
+ node->owner += 1;
+ node->owner[strlen(node->owner)-1] = '\0';
+ #endif
+
+ if(!list)
+ list = wlpl_init(node);
+ else
+ wlpn_add(list,node);
+}
diff --git a/wlp/C/macro.h b/wlp/C/macro.h
new file mode 100644
index 0000000..303b3c6
--- /dev/null
+++ b/wlp/C/macro.h
@@ -0,0 +1,44 @@
+/*
+ * macro.h - Copyright 2000, 2001 Cosimo Alfarano <Alfarano@CS.UniBo.It>
+ * You can use this software under the terms of the GPL. If we meet some day,
+ * and you think this stuff is worth it, you can buy me a beer in return.
+ *
+ * Thanks to md for this useful formula. Beer is beer.
+ */
+
+
+#ifndef _macro_h_
+#define _macro_h_
+
+#define LINELEN 2048
+#define TRUE 1
+#define FALSE 0
+
+/*
+#define WITHQUOTES
+#define WITHANGBRACKETS
+*/
+
+#define ERR(a,b...) fprintf(stderr, a, ## b)
+
+/* Define it for debug info on stderr (better if in .c module ...) */
+/*
+#ifndef DEBUG
+ #define DEBUG
+#endif
+*/
+
+
+#ifdef DEBUG
+ #define DBG(a...) fprintf(stderr, ## a)
+ /* for a verbose debug*/
+ #define VDBG(a,b...) fprintf(stderr, "%s(): " a, __FUNCTION__ , ## b)
+#else
+ #define DBG(a...)
+ #define VDBG(a...)
+#endif
+
+
+#endif
+
+/* EOF */
diff --git a/wlp/C/structs.c b/wlp/C/structs.c
new file mode 100644
index 0000000..8c33443
--- /dev/null
+++ b/wlp/C/structs.c
@@ -0,0 +1,164 @@
+/*
+ * structs.c - Copyright 2000 by Cosimo Alfarano <Alfarano@CS.UniBo.It>
+ * You can use this software under the terms of the GPL. If we meet some day,
+ * and you think this stuff is worth it, you can buy me a beer in return.
+ *
+ * Thanks to md for this useful formula. Beer is beer.
+ */
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include "structs.h"
+#include "macro.h"
+
+struct wlp_node_t *wlpn_add(struct wlp_list_t *list,struct wlp_node_t *node)
+{
+ struct wlp_node_t *ret;
+
+ if(node) {
+ node->next = list->head;
+ node->prev = list->tail;
+
+ list->tail->next = node;
+ list->head->prev = node;
+
+ list->tail = node;
+
+ list->count++;
+
+ ret = node;
+ } else {
+ DBG("cannot add %s %s to list. NULL pointer?\n",
+ node->left,node->right);
+ ret = NULL;
+ }
+
+ return ret;
+}
+
+void wlpn_free(struct wlp_node_t *node)
+{
+ free(node->left);
+ free(node->right);
+ free(node->owner);
+ free(node);
+}
+
+
+struct wlp_node_t *wlpn_alloc(const char empty)
+{
+ static struct wlp_node_t *node;
+
+ node = calloc(sizeof(struct wlp_node_t),1);
+
+ if (!node) {
+ perror("wlpn_create malloc");
+
+ /* calloc set *node to zero, it I don't want alloc anything,
+ leave it untouched, else alloc fields */
+ } else if (!empty) {
+ node->left = calloc(LINELEN+1,1);
+ if (!node->left) {
+ perror("wlpn_create malloc (left)");
+ free(node);
+ node = NULL;
+ }
+
+ /*if node is NULL, previous calloc returned error...*/
+ if(node && !(node->right = calloc(LINELEN+1,1))) {
+ perror("wlpn_create malloc (right)");
+ free(node);
+ node = NULL;
+ }
+
+ if(node && !(node->owner = calloc(LINELEN+1,1))) {
+ perror("wlpn_create malloc (owner)");
+ free(node);
+ node = NULL;
+ }
+ }
+ return node;
+}
+
+struct wlp_list_t *wlpl_init(struct wlp_node_t *node)
+{
+ static struct wlp_list_t *list;
+
+ list = malloc(sizeof(struct wlp_list_t));
+
+ if (list) {
+ list->head = node;
+ list->tail = list->head;
+
+ list->head->next = list->head;
+ list->head->prev = list->head;
+
+ list->count=1;
+ } else {
+ perror("wlpl_init malloc");
+ return NULL;
+ }
+
+ return list;
+}
+
+
+struct wlp_node_t *wlpn_searchowner(struct wlp_list_t *mbl,const char *owner)
+{
+ struct wlp_node_t *ret;
+
+ DBG("searching for %s\n",owner);
+
+ if(!mbl)
+ ret = NULL;
+ else {
+ int found = FALSE;
+ ret = mbl->head;
+
+ do {
+ if(!strcmp(owner,ret->owner)) {
+ DBG("found!\n");
+ found = TRUE;
+ } else {
+ DBG("not found: %s\n",ret->onwer);
+ ret = ret->next;
+ }
+ } while(ret != mbl->head && !found);
+
+ if(!found)
+ ret = NULL;
+ }
+
+ DBG("%s\n", (ret)?ret->owner:"not found");
+
+ return ret;
+}
+
+
+struct wlp_node_t *wlpn_extract(struct wlp_list_t *list,struct wlp_node_t *node)
+{
+ struct wlp_node_t *ret;
+
+ if(list && node) {
+ node->prev->next = node->next;
+ node->next->prev = node->prev;
+
+ if(list->tail == node)
+ list->tail = node->prev;
+ if(list->head == node)
+ list->head = node->next;
+
+ list->count--;
+
+ ret = node;
+ } else {
+ DBG("wlpn_extract: list addr %l and node %l (one is NULL)\n",list,addr)
+ ret = NULL;
+ }
+
+ return ret;
+}
diff --git a/wlp/C/structs.h b/wlp/C/structs.h
new file mode 100644
index 0000000..92036a7
--- /dev/null
+++ b/wlp/C/structs.h
@@ -0,0 +1,35 @@
+/*
+ * structs.h - Copyright 2000, 2001 by Cosimo Alfarano <Alfarano@CS.UniBo.It>
+ * You can use this software under the terms of the GPL. If we meet some day,
+ * and you think this stuff is worth it, you can buy me a beer in return.
+ *
+ * Thanks to md for this useful formula. Beer is beer.
+ */
+
+#ifndef _structs_h_
+#define _structs_h_
+
+typedef struct wlp_node_t {
+ char *left,*right;
+ char *owner;
+ char type; /* unused */
+ struct wlp_node_t *next, *prev;
+} wlp_node_t;
+
+typedef struct wlp_list_t {
+ int count;
+ struct wlp_node_t *head, *tail;
+} wlp_list_t;
+
+
+/* white list parser data structure manipulation */
+struct wlp_list_t *wlpl_init(struct wlp_node_t *node);
+struct wlp_node_t *wlpn_alloc(const char empty);
+void wlpn_free(struct wlp_node_t *node);
+struct wlp_node_t *wlpn_add(struct wlp_list_t *wlpl,struct wlp_node_t *wlpn);
+struct wlp_node_t *wlpn_extract(struct wlp_list_t *wlpl,struct wlp_node_t *wlpn);
+/*struct wlp_node_t *wlpn_search(struct wlp_list_t *wlpl,const char id);*/
+
+#endif /* _structs_h_ */
+
+/* EOF */
diff --git a/wlp/C/test.c b/wlp/C/test.c
new file mode 100644
index 0000000..47717b5
--- /dev/null
+++ b/wlp/C/test.c
@@ -0,0 +1,113 @@
+#include <python2.1/Python.h> /* should be modified to be pythonX.Y */
+#include <stdio.h>
+#include <unistd.h>
+
+#include "structs.h"
+#include "macro.h"
+
+/* first declare static functions */
+
+struct wlp_list_t *list;
+
+static FILE *fd = NULL;
+
+static PyObject *node2dict(struct wlp_node_t *node);
+
+static PyObject *wlp_setfilebyname(PyObject *self, PyObject *args) {
+ char *file;
+
+ DBG("setfilebyname\n");
+ if (!PyArg_ParseTuple(args, "s", &file))
+ return NULL;
+
+ fd = fopen(file,"r");
+
+ return Py_None;
+}
+
+static PyObject *wlp_setfilebyfd(PyObject *self, PyObject *args) {
+ PyObject *file = NULL;
+
+ if (!PyArg_ParseTuple(args, "O", &file))
+ return NULL;
+
+ if(!file)
+ return NULL;
+
+ if(!PyFile_Check(file))
+ return NULL;
+
+ fd = PyFile_AsFile(file);
+
+ return Py_None;
+
+}
+
+
+
+static PyObject *wlp_mklist(PyObject *self, PyObject *args) {
+ struct wlp_node_t *tmp;
+ int count;
+
+ PyObject *pylist = NULL;
+
+ DBG("a\n");
+ parse(fd);
+
+ DBG("count %d\n"list->count);
+ pylist = PyList_New(0);
+
+ DBG("a\n");
+ if(!pylist)
+ return NULL;
+
+ DBG("a\n");
+ if(list)
+ for(tmp = list->head, count=0;
+ tmp != list->head || count == 0;
+ tmp = tmp->next, count++) {
+ DBG("FOUND(%d) '%s' ('%s': '%s')\n",count,tmp->owner,tmp->left,tmp->right);
+ if(PyList_Append(pylist,node2dict(tmp))==-1) {
+ DBG("List failed\n");
+ return NULL;
+ }
+ DBG("a\n");
+ }
+
+ return pylist;
+}
+
+
+static PyObject *node2dict(struct wlp_node_t *node) {
+ PyObject *dict = PyDict_New();
+
+ if(!dict)
+ return NULL;
+
+ PyDict_SetItem(dict,
+ Py_BuildValue("s","owner"),
+ Py_BuildValue("s",node->owner));
+
+ PyDict_SetItem(dict,
+ Py_BuildValue("s",node->left),
+ Py_BuildValue("s",node->right));
+
+ return dict;
+
+}
+
+/* second a table with methods/functions matching */
+
+static PyMethodDef wlp_methods[] = {
+ {"mklist", wlp_mklist, METH_VARARGS},
+ {"setfilebyname", wlp_setfilebyname, METH_VARARGS},
+ {"setfilebyfd", wlp_setfilebyfd, METH_VARARGS},
+ {NULL,NULL}
+};
+
+
+/* last the init function, the only one non-static */
+
+void initwlp() {
+ (void) Py_InitModule("wlp",wlp_methods);
+}
diff --git a/wlp/C/wlp.c b/wlp/C/wlp.c
new file mode 100644
index 0000000..8c0779d
--- /dev/null
+++ b/wlp/C/wlp.c
@@ -0,0 +1,183 @@
+/*
+ * wlp.c - Copyright 2000, 2001 by Cosimo Alfarano <Alfarano@CS.UniBo.It>
+ * You can use this software under the terms of the GPL. If we meet some day,
+ * and you think this stuff is worth it, you can buy me a beer in return.
+ *
+ * Thanks to md for this useful formula. Beer is beer.
+ */
+
+//#include <python/Python.h>
+#include <Python.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "structs.h"
+#include "macro.h"
+
+
+static FILE *fd = NULL;
+
+struct wlp_list_t *list;
+
+static PyObject *node2dict(struct wlp_node_t *node);
+static PyObject *node2dict2(struct wlp_node_t *node);
+
+
+
+
+/*
+ * wlp_setfilebyname(): get FILE* fd from filename string.
+ */
+
+static PyObject *wlp_setfilebyname(PyObject *self, PyObject *args) {
+ char *file;
+
+
+ DBG("setfilebyname\n");
+ if (!PyArg_ParseTuple(args, "s", &file))
+ return NULL;
+
+ if(fd = fopen(file,"r")) {
+ return Py_None;
+ } else {
+ PyErr_SetFromErrno(PyExc_Exception);
+/*
+ PyErr_SetString(PyExc_Exception,
+ (errno<=sys_nerr-1)?
+ sys_errlist[errno]:
+ "Unknown Error on fopen() of confifuration file");
+*/
+ return NULL;
+ }
+}
+
+
+
+/*
+ * wlp_setfilebydf(): get FILE* fd from FileObject.
+ */
+
+static PyObject *wlp_setfilebyfd(PyObject *self, PyObject *args) {
+ PyObject *file = NULL;
+
+ if(!PyArg_ParseTuple(args, "O", &file))
+ return NULL;
+
+ if(!file)
+ return NULL;
+
+ if(!PyFile_Check(file))
+ return NULL;
+
+ fd = PyFile_AsFile(file);
+
+ return Py_None;
+}
+
+/*
+ * wlp_mkdict(): make a dictonary of the form
+ * {ownername: {var1: val1, var2: val2,...}}
+ */
+
+static PyObject *wlp_mkdict(PyObject *self, PyObject *args) {
+ PyObject *pydicttmp = NULL;
+ PyObject *pydict = PyDict_New();
+ struct wlp_node_t *tmp;
+ int count;
+
+ if(!pydict)
+ return NULL;
+
+ /* fopen()*/
+ if(fd)
+ parse(fd);
+ else
+ return Py_None;
+
+ if(list)
+ for(tmp = list->head, count = 0;
+ tmp != list->head || count == 0;
+ tmp = tmp->next, count++) {
+ DBG("FOUND(%d) '%s' ('%s': '%s')\n",count,tmp->owner,tmp->left,tmp->right);
+ pydicttmp = PyDict_GetItem(pydict,
+ PyString_FromString(tmp->owner));
+
+ if(!pydicttmp) {
+ DBG("%s: owner not found, create new item\n",
+ tmp->owner);
+ PyDict_SetItemString(pydict,
+ tmp->owner,
+ node2dict(tmp));
+ } else {
+ DBG("%s: owner found,appendig items\n",
+ tmp->owner);
+ PyDict_SetItemString(pydicttmp,
+ tmp->left,
+ Py_BuildValue("s",tmp->right));
+ PyDict_SetItemString(pydict,
+ tmp->owner,
+ pydicttmp);
+ }
+ }
+
+ return pydict;
+}
+
+/*
+ * node2dict(): transoform a wlp_node_t node in a python dictionary of the form
+ * { var: val }
+ * to be used by mkdict()
+ */
+
+static PyObject *node2dict(struct wlp_node_t *node) {
+ PyObject *dict = PyDict_New();
+
+ if(!dict)
+ dict = Py_None;
+ else {
+ PyDict_SetItem(dict,
+ Py_BuildValue("s",node->left),
+ Py_BuildValue("s",node->right));
+ }
+
+ return dict;
+
+}
+
+
+/*
+ * node2dict2(): transoform a wlp_node_t node in a python dictionary of the form
+ * { 'owner': ownername, var: val}
+ * it's currently unused (obsoleted)
+ */
+
+static PyObject *node2dict2(struct wlp_node_t *node) {
+ PyObject *dict = PyDict_New();
+
+ if(!dict)
+ dict = Py_None;
+ else {
+ PyDict_SetItem(dict,
+ Py_BuildValue("s","owner"),
+ Py_BuildValue("s",node->owner));
+
+ PyDict_SetItem(dict,
+ Py_BuildValue("s",node->left),
+ Py_BuildValue("s",node->right));
+ }
+
+ return dict;
+
+}
+
+static PyMethodDef wlp_methods[] = {
+ {"mkdict", wlp_mkdict, METH_VARARGS},
+ {"setfilebyname", wlp_setfilebyname, METH_VARARGS},
+ {"setfilebyfd", wlp_setfilebyfd, METH_VARARGS},
+ {NULL,NULL}
+};
+
+
+void initwlp() {
+ (void) Py_InitModule("wlp",wlp_methods);
+}
diff --git a/wlp/C/yytest.c b/wlp/C/yytest.c
new file mode 100644
index 0000000..74c6fe7
--- /dev/null
+++ b/wlp/C/yytest.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+
+#include "structs.h"
+#include "macro.h"
+
+
+
+int parse(FILE *file);
+
+struct wlp_list_t *list;
+
+int main(int argc,char **argv) {
+ struct wlp_node_t *tmp;
+ int count;
+
+ parse(NULL);
+
+ if(list)
+ for(tmp = list->head, count=0;
+ tmp != list->head || count == 0;
+ tmp = tmp->next, count++)
+ printf("FOUND(%d) '%s' '%s' '%s'\n",count,tmp->left,tmp->right,tmp->owner);
+
+ return(0);
+}