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bam_tview_html.c
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bam_tview_html.c
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/* bam_tview_html.c -- HTML tview output.
Copyright (C) 2013 Pierre Lindenbaum, Institut du Thorax, INSERM U1087, Université de Nantes.
Author: Pierre Lindenbaum <plindenbaum@yahoo.fr>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE. */
#include <config.h>
#include <unistd.h>
#include "bam_tview.h"
#define UNDERLINE_FLAG 10
typedef struct HtmlTview {
tview_t view;
int row_count;
tixel_t** screen;
FILE* out;
int attributes;/* color... */
} html_tview_t;
#define FROM_TV(ptr) ((html_tview_t*)ptr)
static void html_destroy(tview_t* base)
{
int i;
html_tview_t* tv=(html_tview_t*)base;
if(tv->screen!=NULL)
{
for(i=0;i< tv->row_count;++i) free(tv->screen[i]);
free(tv->screen);
}
base_tv_destroy(base);
free(tv);
}
/*
void (*my_mvprintw)(struct AbstractTview* ,int,int,const char*,...);
void (*my_)(struct AbstractTview*,int,int,int);
void (*my_attron)(struct AbstractTview*,int);
void (*my_attroff)(struct AbstractTview*,int);
void (*my_clear)(struct AbstractTview*);
int (*my_colorpair)(struct AbstractTview*,int);
*/
static void html_mvprintw(struct AbstractTview* tv,int y ,int x,const char* fmt,...)
{
int i,nchars=0;
unsigned int size=tv->mcol+2;
char* str=malloc(size);
if(str==0) exit(EXIT_FAILURE);
va_list argptr;
va_start(argptr, fmt);
nchars=vsnprintf(str,size, fmt, argptr);
va_end(argptr);
for(i=0;i< nchars;++i)
{
tv->my_mvaddch(tv,y,x+i,str[i]);
}
free(str);
}
static void html_mvaddch(struct AbstractTview* tv,int y,int x,int ch)
{
tixel_t* row=NULL;
html_tview_t* ptr=FROM_TV(tv);
if( x >= tv->mcol ) return; //out of screen
while(ptr->row_count<=y)
{
int x;
row=(tixel_t*)calloc(tv->mcol,sizeof(tixel_t));
if(row==0) exit(EXIT_FAILURE);
for(x=0;x<tv->mcol;++x) {row[x].ch=' ';row[x].attributes=0;}
ptr->screen=(tixel_t**)realloc(ptr->screen,sizeof(tixel_t*)*(ptr->row_count+1));
ptr->screen[ptr->row_count++]=row;
}
row=ptr->screen[y];
row[x].ch=ch;
row[x].attributes=ptr->attributes;
}
static void html_attron(struct AbstractTview* tv,int flag)
{
html_tview_t* ptr=FROM_TV(tv);
ptr->attributes |= flag;
}
static void html_attroff(struct AbstractTview* tv,int flag)
{
html_tview_t* ptr=FROM_TV(tv);
ptr->attributes &= ~(flag);
}
static void html_clear(struct AbstractTview* tv)
{
html_tview_t* ptr=FROM_TV(tv);
if(ptr->screen!=NULL)
{
int i;
for(i=0;i< ptr->row_count;++i) free(ptr->screen[i]);
free(ptr->screen);
ptr->screen=NULL;
}
ptr->row_count=0;
ptr->attributes=0;
}
static int html_colorpair(struct AbstractTview* tv,int flag)
{
return (1 << (flag));
}
static int html_drawaln(struct AbstractTview* tv, int tid, int pos)
{
int y,x;
html_tview_t* ptr=FROM_TV(tv);
html_clear(tv);
base_draw_aln(tv, tid, pos);
fputs("<html><head>",ptr->out);
fprintf(ptr->out,"<title>%s:%d</title>",
tv->header->target_name[tid],
pos+1
);
//style
fputs("<style type='text/css'>\n",ptr->out);
fputs(".tviewbody { margin:5px; background-color:white;text-align:center;}\n",ptr->out);
fputs(".tviewtitle {text-align:center;}\n",ptr->out);
fputs(".tviewpre { margin:5px; background-color:white;}\n",ptr->out);
#define CSS(id,col) fprintf(ptr->out,".tviewc%d {color:%s;}\n.tviewcu%d {color:%s;text-decoration:underline;}\n",id,col,id,col);
CSS(0, "black");
CSS(1, "blue");
CSS(2, "green");
CSS(3, "yellow");
CSS(4, "black");
CSS(5, "green");
CSS(6, "cyan");
CSS(7, "yellow");
CSS(8, "red");
CSS(9, "blue");
#undef CSS
fputs("</style>",ptr->out);
fputs("</head><body>",ptr->out);
fprintf(ptr->out,"<div class='tviewbody'><div class='tviewtitle'>%s:%d</div>",
tv->header->target_name[tid],
pos+1
);
fputs("<pre class='tviewpre'>",ptr->out);
for(y=0;y< ptr->row_count;++y)
{
for(x=0;x< tv->mcol;++x)
{
if(x== 0 || ptr->screen[y][x].attributes != ptr->screen[y][x-1].attributes)
{
int css=0;
fprintf(ptr->out,"<span");
while(css<32)
{
//if(y>1) fprintf(stderr,"css=%d pow2=%d vs %d\n",css,(1 << (css)),ptr->screen[y][x].attributes);
if(( (ptr->screen[y][x].attributes) & (1 << (css)))!=0)
{
fprintf(ptr->out," class='tviewc%s%d'",
(( (ptr->screen[y][x].attributes) & (1 << (UNDERLINE_FLAG)) )!=0?"u":""),
css);
break;
}
++css;
}
fputs(">",ptr->out);
}
int ch=ptr->screen[y][x].ch;
switch(ch)
{
case '<': fputs("<",ptr->out);break;
case '>': fputs(">",ptr->out);break;
case '&': fputs("&",ptr->out);break;
default: fputc(ch,ptr->out); break;
}
if(x+1 == tv->mcol || ptr->screen[y][x].attributes!=ptr->screen[y][x+1].attributes)
{
fputs("</span>",ptr->out);
}
}
if(y+1 < ptr->row_count) fputs("<br/>",ptr->out);
}
fputs("</pre></div></body></html>",ptr->out);
return 0;
}
#define ANSI_COLOR_RED "\x1b[31m"
#define ANSI_COLOR_GREEN "\x1b[32m"
#define ANSI_COLOR_YELLOW "\x1b[33m"
#define ANSI_COLOR_BLUE "\x1b[34m"
#define ANSI_COLOR_MAGENTA "\x1b[35m"
#define ANSI_COLOR_CYAN "\x1b[36m"
#define ANSI_COLOR_BLACK "\x1b[0m"
#define ANSI_COLOR_RESET ANSI_COLOR_BLACK
#define ANSI_UNDERLINE_SET "\033[4m"
#define ANSI_UNDERLINE_UNSET "\033[0m"
static int text_drawaln(struct AbstractTview* tv, int tid, int pos)
{
int y,x;
html_tview_t* ptr=FROM_TV(tv);
html_clear(tv);
base_draw_aln(tv, tid, pos);
int is_term= isatty(fileno(ptr->out));
for(y=0;y< ptr->row_count;++y)
{
for(x=0;x< tv->mcol;++x)
{
if(is_term)
{
int css=0;
while(css<32)
{
if(( (ptr->screen[y][x].attributes) & (1 << (css)))!=0)
{
break;
}
++css;
}
switch(css)
{
//CSS(0, "black");
case 1: fputs(ANSI_COLOR_BLUE,ptr->out); break;
case 2: fputs(ANSI_COLOR_GREEN,ptr->out); break;
case 3: fputs(ANSI_COLOR_YELLOW,ptr->out); break;
//CSS(4, "black");
case 5: fputs(ANSI_COLOR_GREEN,ptr->out); break;
case 6: fputs(ANSI_COLOR_CYAN,ptr->out); break;
case 7: fputs(ANSI_COLOR_YELLOW,ptr->out); break;
case 8: fputs(ANSI_COLOR_RED,ptr->out); break;
case 9: fputs(ANSI_COLOR_BLUE,ptr->out); break;
default:break;
}
if(( (ptr->screen[y][x].attributes) & (1 << (UNDERLINE_FLAG)))!=0)
{
fputs(ANSI_UNDERLINE_SET,ptr->out);
}
}
int ch=ptr->screen[y][x].ch;
fputc(ch,ptr->out);
if(is_term)
{
fputs(ANSI_COLOR_RESET,ptr->out);
if(( (ptr->screen[y][x].attributes) & (1 << (UNDERLINE_FLAG)))!=0)
{
fputs(ANSI_UNDERLINE_UNSET,ptr->out);
}
}
}
fputc('\n',ptr->out);
}
return 0;
}
static int html_loop(tview_t* tv)
{
//tv->my_drawaln(tv, tv->curr_tid, tv->left_pos);
return 0;
}
static int html_underline(tview_t* tv)
{
return (1 << UNDERLINE_FLAG);
}
/*
static void init_pair(html_tview_t *tv,int id_ge_1, const char* pen, const char* paper)
{
}
*/
tview_t* html_tv_init(const char *fn, const char *fn_fa, const char *fn_idx, const char *samples,
const htsFormat *fmt)
{
char* colstr=getenv("COLUMNS");
html_tview_t *tv = (html_tview_t*)calloc(1, sizeof(html_tview_t));
tview_t* base=(tview_t*)tv;
if(tv==0)
{
fprintf(stderr,"Calloc failed\n");
return 0;
}
tv->row_count=0;
tv->screen=NULL;
tv->out=stdout;
tv->attributes=0;
base_tv_init(base,fn,fn_fa,fn_idx,samples,fmt);
/* initialize callbacks */
#define SET_CALLBACK(fun) base->my_##fun=html_##fun;
SET_CALLBACK(destroy);
SET_CALLBACK(mvprintw);
SET_CALLBACK(mvaddch);
SET_CALLBACK(attron);
SET_CALLBACK(attroff);
SET_CALLBACK(clear);
SET_CALLBACK(colorpair);
SET_CALLBACK(drawaln);
SET_CALLBACK(loop);
SET_CALLBACK(underline);
#undef SET_CALLBACK
if(colstr!=0)
{
base->mcol=atoi(colstr);
if(base->mcol<10) base->mcol=80;
}
base->mrow=99999;
/*
init_pair(tv,1, "blue", "white");
init_pair(tv,2, "green", "white");
init_pair(tv,3, "yellow", "white");
init_pair(tv,4, "white", "white");
init_pair(tv,5, "green", "white");
init_pair(tv,6, "cyan", "white");
init_pair(tv,7, "yellow", "white");
init_pair(tv,8, "red", "white");
init_pair(tv,9, "blue", "white");
*/
return base;
}
tview_t* text_tv_init(const char *fn, const char *fn_fa, const char *fn_idx, const char *samples,
const htsFormat *fmt)
{
tview_t* tv=html_tv_init(fn,fn_fa,fn_idx,samples,fmt);
tv->my_drawaln=text_drawaln;
return tv;
}