/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*
Copyright 2013-2021 The Libfossil Authors, see LICENSES/BSD-2-Clause.txt
SPDX-License-Identifier: BSD-2-Clause-FreeBSD
SPDX-FileCopyrightText: 2021 The Libfossil Authors
SPDX-ArtifactOfProjectName: Libfossil
SPDX-FileType: Code
*/
/**
This is a template application for libfossil fcli client apps, with
commentary explaining how to do various common things with the
API. Copy/paste this and modify it to suit.
*/
#include "libfossil.h"
// Only for testing/debugging..
#define MARKER(pfexp) \
do{ printf("MARKER: %s:%d:%s():\t",__FILE__,__LINE__,__func__); \
printf pfexp; \
} while(0)
// Global app state.
struct App_ {
char const * lineLHS;
char const * lineRHS;
} App = {
NULL,//lineLHS
NULL//lineRHS
};
static int app_stuff(void){
fsl_dline a = fsl_dline_empty;
fsl_dline b = fsl_dline_empty;
fsl_dline_change chng = fsl_dline_change_empty;
int i, j, x;
a.z = App.lineLHS;
a.n = (int)fsl_strlen(a.z);
b.z = App.lineRHS;
b.n = (int)fsl_strlen(b.z);
fsl_dline_change_spans(&a, &b, &chng);
f_out("left: [%s]\n", a.z);
for(i=x=0; i<chng.n; i++){
int ofst = chng.a[i].iStart1;
int len = chng.a[i].iLen1;
if( len ){
if( x==0 ){ f_out("%*s", 8, ""); }
while( ofst > x ){
if( (a.z[x]&0xc0)!=0x80 ) f_out(" ");
x++;
}
for(j=0; j<len; j++, x++){
if( (a.z[x]&0xc0)!=0x80 ) f_out("%d",i);
}
}
}
if( x ) f_out("\n");
f_out("right: [%s]\n", b.z);
for(i=x=0; i<chng.n; i++){
int ofst = chng.a[i].iStart2;
int len = chng.a[i].iLen2;
if( len ){
if( x==0 ){ f_out("%*s", 8, ""); }
while( ofst > x ){
if( (b.z[x]&0xc0)!=0x80 ) f_out(" ");
x++;
}
for(j=0; j<len; j++, x++){
if( (b.z[x]&0xc0)!=0x80 ) f_out("%d",i);
}
}
}
if( x ) f_out("\n");
return 0;
}
int main(int argc, const char * const * argv ){
const fcli_cliflag FCliFlags[] = {
fcli_cliflag_empty_m // list MUST end with this (or equivalent)
};
const fcli_help_info FCliHelp = {
"Tests diff calculation between two lines "
"using the 2021-era diff APIs.",
"lineLHS lineRHS",
NULL
};
fcli.clientFlags.checkoutDir = NULL; // same effect as global -C flag.
int rc = fcli_setup_v2(argc, argv, FCliFlags, &FCliHelp);
if(rc) goto end;
App.lineLHS = fcli_next_arg(true);
App.lineRHS = fcli_next_arg(true);
if(!App.lineRHS){
rc =fcli_err_set(FSL_RC_MISUSE,
"Expecting two one-line strings to diff.");
goto end;
}
if((rc=fcli_has_unused_args(false))) goto end;
rc = app_stuff();
end:
return fcli_end_of_main(rc);
}