First version

This commit is contained in:
Marty Kraimer
1997-12-18 16:39:03 +00:00
parent d55e5536d6
commit 9519e92035
8 changed files with 712 additions and 0 deletions

10
Makefile Normal file
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#
# $Id$
#
EPICS=../../..
include $(EPICS)/config/CONFIG_EXTENSIONS
include $(EPICS)/config/RULES_ARCHS

16
Makefile.Unix Normal file
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EPICS = ../../../..
include Target.include
include $(EPICS)/config/CONFIG_EXTENSIONS
DEPLIBS = $(EPICS_BASE_LIB)/libCom.a $(EPICS_EXTENSIONS_LIB)/libpprsyd.a
USR_LDLIBS = -lpprsyd -lCom
USR_INCLUDES = -I$(EPICS_EXTENSIONS_INCLUDE)
USR_CFLAGS = -L$(EPICS_EXTENSIONS_LIB)
#CMPLR = OLD
SRCS.c= ../msi.c
PROD = msi
include $(EPICS)/config/RULES.Unix

654
msi.c Normal file
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/*msi - macro sunstitutions and include */
/*****************************************************************
COPYRIGHT NOTIFICATION
*****************************************************************
(C) COPYRIGHT 1993 UNIVERSITY OF CHICAGO
This software was developed under a United States Government license
described on the COPYRIGHT_UniversityOfChicago file included as part
of this distribution.
**********************************************************************/
/*
* Modification Log:
* -----------------
* .01 08DEC97 mrk Original version
*/
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <macLib.h>
#include <ellLib.h>
#define MAX_BUFFER_SIZE 1024
/*Forward references to local routines*/
static void addMacroReplacements(MAC_HANDLE *macPvt,char *pval);
static void makeSubstitutions(void *inputPvt,void *macPvt,char *templateName);
/*Routines that read the template files */
static void inputConstruct(void **inputPvt);
static void inputDestruct(void *inputPvt);
static void inputAddPath(void *inputPvt, char *pval);
static void inputBegin(void *inputPvt,char *fileName);
static char *inputNextLine(void *inputPvt);
static void inputNewIncludeFile(void *inputPvt,char *name);
static void inputErrPrint(void *inputPvt);
/*Routines that read the substitution file */
static void substituteConstruct(void **substitutePvt);
static void substituteDestruct(void *substitutePvt);
static void substituteOpen(void *substitutePvt,char *substitutionName);
static char *substituteGetReplacements(void *substitutePvt);
#define USAGEEXIT \
{\
fprintf(stderr,"usage: msi -V -Idir ... -Msub ... -Ssubfile template \n");\
exit(1);\
}
int main(int argc,char **argv)
{
void *inputPvt;
MAC_HANDLE *macPvt;
char *pval;
int narg;
char *substitutionName=0;
char *templateName=0;
int i;
inputConstruct(&inputPvt);
macCreateHandle(&macPvt,0);
macSuppressWarning(macPvt,TRUE);
while((argc>1) && (argv[1][0] == '-')) {
narg = (strlen(argv[1])==2) ? 2 : 1;
pval = (narg==1) ? (argv[1]+2) : argv[2];
if(strncmp(argv[1],"-I",2)==0) {
inputAddPath(inputPvt,pval);
} else if(strncmp(argv[1],"-M",2)==0) {
addMacroReplacements(macPvt,pval);
} else if(strncmp(argv[1],"-S",2)==0) {
substitutionName = calloc(strlen(pval)+1,sizeof(char));
strcpy(substitutionName,pval);
} else if(strncmp(argv[1],"-V",2)==0) {
macSuppressWarning(macPvt,FALSE);
narg = 1; /* no argument for this option */
} else {
USAGEEXIT
}
argc -= narg;
for(i=1; i<argc; i++) argv[i] = argv[i + narg];
}
if(argc>2) {
fprintf(stderr,"too many files\n");
USAGEEXIT
}
if(argc==2) templateName = argv[1];
if(!substitutionName) {
makeSubstitutions(inputPvt,macPvt,templateName);
} else {
void *substitutePvt;
if(!templateName) {
fprintf(stderr,"stdin not legal with substitution file\n");
USAGEEXIT
}
substituteConstruct(&substitutePvt);
substituteOpen(substitutePvt,substitutionName);
while(pval = substituteGetReplacements(substitutePvt)){
addMacroReplacements(macPvt,pval);
makeSubstitutions(inputPvt,macPvt,templateName);
}
substituteDestruct(substitutePvt);
}
inputDestruct(inputPvt);
return(0);
}
static void addMacroReplacements(MAC_HANDLE *macPvt,char *pval)
{
char **pairs;
long status;
status = macParseDefns(macPvt,pval,&pairs);
status = macInstallMacros(macPvt,pairs);
free((void *)pairs);
}
#define cmdNumberOf 2
typedef enum {cmdInclude,cmdSubstitute} cmdType;
static char *cmdName[cmdNumberOf] = {"include","substitute"};
static void makeSubstitutions(void *inputPvt,void *macPvt,char *templateName)
{
char *input;
static char buffer[MAX_BUFFER_SIZE];
int n;
char *subStringLocation;
inputBegin(inputPvt,templateName);
while(input = inputNextLine(inputPvt)) {
int expand=TRUE;
char *p;
char *command = 0;
p = input;
/*skip whitespace at beginning of line*/
while(*p && (isspace(*p))) ++p;
/*Look for i or s */
if(*p && (*p=='i' || *p=='s')) command = p;
if(command) {
char *pstart;
char *pend;
char *copy;
int cmdind=-1;
int i;
for(i=0; i< cmdNumberOf; i++) {
if(strstr(command,cmdName[i])) {
cmdind = i;
}
}
if(cmdind<0) goto endif;
p = command + strlen(cmdName[cmdind]);
/*skip whitespace after command*/
while(*p && (isspace(*p))) ++p;
/*Next character must be quote*/
if((*p==0) || (*p!='"')) goto endif;
pstart = ++p;
/*Look for end quote*/
while(*p && (*p!='"')) {
/*allow escape for imbeded quote*/
if((*p=='\\') && *(p+1)=='"') {
p += 2; continue;
} else {
if(*p=='"') break;
}
++p;
}
if(*p==0) goto endif;
pend = p;
copy = calloc(pend-pstart+1,sizeof(char));
strncpy(copy,pstart,pend-pstart);
switch(cmdind) {
case cmdInclude:
inputNewIncludeFile(inputPvt,copy);
break;
case cmdSubstitute:
addMacroReplacements(macPvt,copy);
break;
default:
fprintf(stderr,"Logic Error: makeSubstitutions\n");
inputErrPrint(inputPvt);
exit(1);
}
free(copy);
expand = FALSE;
}
endif:
if(expand) {
n = macExpandString(macPvt,input,buffer,MAX_BUFFER_SIZE-1);
if(n<0) {
inputErrPrint(inputPvt);
} else {
printf("%s",buffer);
}
}
}
}
typedef struct inputFile{
ELLNODE node;
char *filename;
FILE *fp;
int lineNum;
}inputFile;
typedef struct pathNode {
ELLNODE node;
char *directory;
} pathNode;
typedef struct inputData {
ELLLIST inputFileList;
ELLLIST pathList;
char inputBuffer[MAX_BUFFER_SIZE];
}inputData;
static char *inputOpenFile(inputData *pinputData,char *filename);
static void inputCloseFile(inputData *pinputData);
static void inputCloseAllFiles(inputData *pinputData);
static void inputConstruct(void **ppvt)
{
inputData *pinputData;
pinputData = calloc(1,sizeof(inputData));
ellInit(&pinputData->inputFileList);
ellInit(&pinputData->pathList);
*ppvt = pinputData;
}
static void inputDestruct(void *pvt)
{
inputData *pinputData = (inputData *)pvt;
pathNode *ppathNode;
inputCloseAllFiles(pinputData);
while(ppathNode = (pathNode *)ellFirst(&pinputData->pathList)) {
ellDelete(&pinputData->pathList,&ppathNode->node);
free((void *)ppathNode->directory);
free((void *)ppathNode);
}
free(pvt);
}
static void inputAddPath(void *pvt, char *path)
{
inputData *pinputData = (inputData *)pvt;
ELLLIST *ppathList = &pinputData->pathList;
pathNode *ppathNode;
const char *pcolon;
const char *pdir;
int len;
pdir = path;
while(pdir) {
if(*pdir == ':') {
pdir++;
continue;
}
ppathNode = (pathNode *)calloc(1,sizeof(pathNode));
ellAdd(ppathList,&ppathNode->node);
pcolon = strchr(pdir,':');
len = (pcolon ? (pcolon - pdir) : strlen(pdir));
ppathNode->directory = (char *)calloc(1,len+1);
strncpy(ppathNode->directory,pdir,len);
pdir = (pcolon ? (pcolon+1) : 0);
}
return;
}
static void inputBegin(void *pvt,char *fileName)
{
inputData *pinputData = (inputData *)pvt;
inputFile *pinputFile;
inputCloseAllFiles(pinputData);
inputOpenFile(pinputData,fileName);
}
static char *inputNextLine(void *pvt)
{
inputData *pinputData = (inputData *)pvt;
inputFile *pinputFile;
char *pline;
while(pinputFile = (inputFile *)ellFirst(&pinputData->inputFileList)) {
pline = fgets(pinputData->inputBuffer,MAX_BUFFER_SIZE,pinputFile->fp);
if(pline) {
++pinputFile->lineNum;
return(pline);
}
inputCloseFile(pinputData);
}
return(0);
}
static void inputNewIncludeFile(void *pvt,char *name)
{
inputData *pinputData = (inputData *)pvt;
inputOpenFile(pinputData,name);
}
static void inputErrPrint(void *pvt)
{
inputData *pinputData = (inputData *)pvt;
inputFile *pinputFile;
fprintf(stderr,"input: %s which is ",pinputData->inputBuffer);
pinputFile = (inputFile *)ellFirst(&pinputData->inputFileList);
while(pinputFile) {
fprintf(stderr,"line %d of ",pinputFile->lineNum);
if(pinputFile->filename) {
fprintf(stderr," file %s\n",pinputFile->filename);
} else {
fprintf(stderr,"stdin:\n");
}
pinputFile = (inputFile *)ellNext(&pinputFile->node);
if(pinputFile) {
fprintf(stderr," which is included from ");
} else {
fprintf(stderr,"\n");
}
}
fprintf(stderr,"\n");
}
static char *inputOpenFile(inputData *pinputData,char *filename)
{
ELLLIST *ppathList = &pinputData->pathList;
pathNode *ppathNode = 0;
inputFile *pinputFile;
char *fullname;
FILE *fp = 0;
if(!filename) {
fp = stdin;
} else if((ellCount(ppathList)==0) || strchr(filename,'/')){
fp = fopen(filename,"r");
} else {
ppathNode = (pathNode *)ellFirst(ppathList);
while(ppathNode) {
fullname = calloc(strlen(filename)+strlen(ppathNode->directory) +2,
sizeof(char));
strcpy(fullname,ppathNode->directory);
strcat(fullname,"/");
strcat(fullname,filename);
fp = fopen(fullname,"r");
if(fp) break;
free((void *)fullname);
ppathNode = (pathNode *)ellNext(&ppathNode->node);
}
}
if(!fp) {
fprintf(stderr,"Could not open %s\n",filename);
return(0);
}
pinputFile = calloc(1,sizeof(inputFile));
if(ppathNode) {
pinputFile->filename = calloc(1,strlen(fullname)+1);
strcpy(pinputFile->filename,fullname);
free((void *)fullname);
} else if(filename) {
pinputFile->filename = calloc(1,strlen(filename)+1);
strcpy(pinputFile->filename,filename);
} else {
pinputFile->filename = calloc(1,strlen("stdin")+1);
strcpy(pinputFile->filename,"stdin");
}
pinputFile->fp = fp;
ellInsert(&pinputData->inputFileList,0,&pinputFile->node);
return(0);
}
static void inputCloseFile(inputData *pinputData)
{
inputFile *pinputFile;
pinputFile = (inputFile *)ellFirst(&pinputData->inputFileList);
if(!pinputFile) return;
ellDelete(&pinputData->inputFileList,&pinputFile->node);
if(fclose(pinputFile->fp))
fprintf(stderr,"fclose failed: file %s\n",pinputFile->filename);
free(pinputFile->filename);
free(pinputFile);
}
static void inputCloseAllFiles(inputData *pinputData)
{
inputFile *pinputFile;
while(pinputFile=(inputFile *)ellFirst(&pinputData->inputFileList)){
inputCloseFile(pinputData);
}
}
/*start of code that handles substitution file*/
typedef enum {
tokenLBrace,tokenRBrace,tokenSeparater,tokenString,tokenEOF
}tokenType;
typedef struct subFile {
FILE *fp;
int lineNum;
char inputBuffer[MAX_BUFFER_SIZE];
char *pnextChar;
tokenType token;
char string[MAX_BUFFER_SIZE];
} subFile;
typedef struct patternNode {
ELLNODE node;
char *var;
}patternNode;
typedef struct subInfo {
subFile *psubFile;
int isPattern;
ELLLIST patternList;
char macroReplacements[MAX_BUFFER_SIZE];
}subInfo;
static char *subGetNextLine(subFile *psubFile);
static tokenType subGetNextToken(subFile *psubFile);
static void subFileErrPrint(subFile *psubFile,char * message);
static void substituteConstruct(void **pvt)
{
subFile *psubFile;
subInfo *psubInfo;
psubInfo = calloc(1,sizeof(subInfo));
psubFile = calloc(1,sizeof(subFile));
ellInit(&psubInfo->patternList);
psubInfo->psubFile = psubFile;
*pvt = psubInfo;
return;
}
static void substituteDestruct(void *pvt)
{
subInfo *psubInfo = (subInfo *)pvt;
subFile *psubFile = psubInfo->psubFile;
patternNode *ppatternNode;
if(fclose(psubFile->fp))
fprintf(stderr,"fclose failed on substitution file\n");
while(ppatternNode = (patternNode *)ellFirst(&psubInfo->patternList)) {
ellDelete(&psubInfo->patternList,&ppatternNode->node);
free(ppatternNode->var);
free(ppatternNode);
}
free((void *)psubFile);
free((void *)psubInfo);
return;
}
static void substituteOpen(void *pvt,char *substitutionName)
{
subInfo *psubInfo = (subInfo *)pvt;
subFile *psubFile = psubInfo->psubFile;
FILE *fp;
patternNode *ppatternNode;
fp = fopen(substitutionName,"r");
if(!fp) {
fprintf(stderr,"Could not open %s\n",substitutionName);
exit(1);
}
psubFile->fp = fp;
psubFile->lineNum = 0;
psubFile->inputBuffer[0] = 0;
psubFile->pnextChar = &psubFile->inputBuffer[0];
while(subGetNextToken(psubFile)==tokenSeparater);
if(psubFile->token!=tokenString
|| strcmp(psubFile->string,"pattern")!=0) {
psubInfo->isPattern = FALSE;
return;
}
psubInfo->isPattern = TRUE;
while(subGetNextToken(psubFile)==tokenSeparater);
if(psubFile->token!=tokenLBrace) {
subFileErrPrint(psubFile,"Expecting {");
exit(1);
}
while(TRUE) {
subGetNextToken(psubFile);
if(psubFile->token==tokenSeparater) continue;
if(psubFile->token==tokenString) {
ppatternNode = calloc(1,sizeof(patternNode));
ellAdd(&psubInfo->patternList,&ppatternNode->node);
ppatternNode->var = calloc(strlen(psubFile->string)+1,sizeof(char));
strcpy(ppatternNode->var,psubFile->string);
continue;
}
break;
}
if(psubFile->token!=tokenRBrace) {
subFileErrPrint(psubFile,"Expecting }");
exit(1);
}
return;
}
static char *substituteGetReplacements(void *pvt)
{
subInfo *psubInfo = (subInfo *)pvt;
subFile *psubFile = psubInfo->psubFile;
char *pNext;
patternNode *ppatternNode;
pNext = &psubInfo->macroReplacements[0];
psubInfo->macroReplacements[0] = 0;
if(psubFile->token!=tokenLBrace)
while(subGetNextToken(psubFile)==tokenSeparater);
if(psubFile->token==tokenEOF) return(0);
if(psubFile->token!=tokenLBrace) {
subFileErrPrint(psubFile,"Expecting {");
exit(1);
}
if(psubInfo->isPattern) {
int gotFirstPattern = FALSE;
ppatternNode = (patternNode *)ellFirst(&psubInfo->patternList);
if(!ppatternNode) {
subFileErrPrint(psubFile,"No patterns");
exit(1);
}
while(TRUE) {
switch(subGetNextToken(psubFile)) {
case tokenSeparater: continue;
case tokenRBrace: return(psubInfo->macroReplacements);
case tokenString:
if(gotFirstPattern) {
strcat(psubInfo->macroReplacements,",");
}
gotFirstPattern = TRUE;
strcat(psubInfo->macroReplacements,ppatternNode->var);
strcat(psubInfo->macroReplacements,"=");
strcat(psubInfo->macroReplacements,psubFile->string);
break;
default:
subFileErrPrint(psubFile,"Illegal token");
exit(1);
}
ppatternNode = (patternNode *)ellNext(&ppatternNode->node);
}
} else while(TRUE) {
switch(subGetNextToken(psubFile)) {
case tokenRBrace: return(psubInfo->macroReplacements);
case tokenSeparater:
strcat(psubInfo->macroReplacements,",");
break;
case tokenString:
strcat(psubInfo->macroReplacements,psubFile->string);
break;
default:
subFileErrPrint(psubFile,"Illegal token");
exit(1);
}
}
}
static char *subGetNextLine(subFile *psubFile)
{
char *pline;
pline = fgets(psubFile->inputBuffer,MAX_BUFFER_SIZE,psubFile->fp);
while(pline && psubFile->inputBuffer[0]=='#')
pline = fgets(psubFile->inputBuffer,MAX_BUFFER_SIZE,psubFile->fp);
if(!pline) {
psubFile->token = tokenEOF;
psubFile->inputBuffer[0] = 0;
psubFile->pnextChar = 0;
return(0);
}
psubFile->pnextChar = &psubFile->inputBuffer[0];
++psubFile->lineNum;
return(&psubFile->inputBuffer[0]);
}
static void subFileErrPrint(subFile *psubFile,char * message)
{
fprintf(stderr,"substitution file line %d: %s",
psubFile->lineNum,psubFile->inputBuffer);
fprintf(stderr,"%s\n",message);
}
static tokenType subGetNextToken(subFile *psubFile)
{
char *p;
char *pto;
p = psubFile->pnextChar;
if(!p) return(tokenEOF);
if(*p==0 || *p=='\n') {
p = subGetNextLine(psubFile);
if(!p) return(tokenEOF);
}
if(*p=='{') {
psubFile->token = tokenLBrace;
psubFile->pnextChar = ++p;
return(tokenLBrace);
}
if(*p=='}') {
psubFile->token = tokenRBrace;
psubFile->pnextChar = ++p;
return(tokenRBrace);
}
if(isspace(*p) || *p==',') {
while(isspace(*p) || *p==',') p++;
psubFile->token = tokenSeparater;
psubFile->pnextChar = p;
return(tokenSeparater);
}
/*now handle quoted strings*/
if(*p=='"') {
pto = &psubFile->string[0];
*pto++ = *p++;
while(*p!='"') {
if(*p==0) {
subFileErrPrint(psubFile,"Strings must be on single line\n");
exit(1);
}
/*allow escape for imbeded quote*/
if((*p=='\\') && *(p+1)=='"') {
*pto++ = *p++;
*pto++ = *p++;
continue;
}
*pto++ = *p++;
}
*pto++ = *p++;
psubFile->pnextChar = p;
*pto = 0;
psubFile->token = tokenString;
return(tokenString);
}
/*Now take anything up to next non String token*/
pto = &psubFile->string[0];
while(!isspace(*p) && (strspn(p,"\",{}")==0)) *pto++ = *p++;
*pto = 0;
psubFile->pnextChar = p;
psubFile->token = tokenString;
return(tokenString);
}

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pattern Normal file
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#test of a pattern
pattern {a,b}
{xxx,"yyy"}
{zzz , ttt}
{
vvv
zzz
}

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substitute Normal file
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{a=xxx,b="yyy"}
{a=zzz , b=ttt}

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template Normal file
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# comment line
$(a)
this is a test $(b)
$(d)

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testfile Normal file
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This is a test file
This is second line
include "testfile1"
a=${a}
b=$(b)
substitute "a=aaa,b=bbb"
a=${a}
b=$(b)
substitute "a=\"aa\""
${a}
$(a)
This is last line
%report

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testfile1 Normal file
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This is testfile1
in testfile1 $(a)=a
in testfile1 $(b)=b
end of testfile1