636 lines
18 KiB
C++
636 lines
18 KiB
C++
//
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// Code output routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2021 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include "../src/flstring.h"
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#include <stdarg.h>
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#include <FL/Fl.H>
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#include <FL/fl_string.h>
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#include "Fl_Type.h"
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#include "alignment_panel.h"
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static FILE *code_file;
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static FILE *header_file;
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extern char i18n_program[];
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extern int i18n_type;
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extern const char* i18n_include;
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extern const char* i18n_function;
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extern const char* i18n_file;
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extern const char* i18n_set;
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// return true if c can be in a C identifier. I needed this so
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// it is not messed up by locale settings:
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int is_id(char c) {
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return (c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_';
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}
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////////////////////////////////////////////////////////////////
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// Generate unique but human-readable identifiers:
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struct id {
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char* text;
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void* object;
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id *left, *right;
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id (const char* t, void* o) : text(fl_strdup(t)), object(o) {left = right = 0;}
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~id();
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};
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id::~id() {
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delete left;
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free((void *)text);
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delete right;
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}
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static id* id_root;
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const char* unique_id(void* o, const char* type, const char* name, const char* label) {
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char buffer[128];
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char* q = buffer;
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while (*type) *q++ = *type++;
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*q++ = '_';
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const char* n = name;
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if (!n || !*n) n = label;
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if (n && *n) {
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while (*n && !is_id(*n)) n++;
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while (is_id(*n)) *q++ = *n++;
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}
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*q = 0;
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// okay, search the tree and see if the name was already used:
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id** p = &id_root;
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int which = 0;
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while (*p) {
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int i = strcmp(buffer, (*p)->text);
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if (!i) {
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if ((*p)->object == o) return (*p)->text;
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// already used, we need to pick a new name:
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sprintf(q,"%x",++which);
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p = &id_root;
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continue;
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}
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else if (i < 0) p = &((*p)->left);
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else p = &((*p)->right);
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}
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*p = new id(buffer, o);
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return (*p)->text;
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}
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////////////////////////////////////////////////////////////////
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// return current indentation:
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static const char* spaces = " ";
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int indentation;
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const char* indent() {
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int i = indentation; if (i>16) i = 16;
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return spaces+16-i;
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}
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////////////////////////////////////////////////////////////////
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// declarations/include files:
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// Each string generated by write_declare is written only once to
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// the header file. This is done by keeping a binary tree of all
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// the calls so far and not printing it if it is in the tree.
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struct included {
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char *text;
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included *left, *right;
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included(const char *t) {
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text = fl_strdup(t);
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left = right = 0;
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}
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~included();
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};
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included::~included() {
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delete left;
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free((void *)text);
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delete right;
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}
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static included *included_root;
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int write_declare(const char *format, ...) {
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va_list args;
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char buf[1024];
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va_start(args, format);
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vsnprintf(buf, sizeof(buf), format, args);
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va_end(args);
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included **p = &included_root;
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while (*p) {
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int i = strcmp(buf,(*p)->text);
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if (!i) return 0;
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else if (i < 0) p = &((*p)->left);
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else p = &((*p)->right);
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}
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fprintf(header_file,"%s\n",buf);
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*p = new included(buf);
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return 1;
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}
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////////////////////////////////////////////////////////////////
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// silly thing to prevent declaring unused variables:
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// When this symbol is on, all attempts to write code don't write
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// anything, but set a variable if it looks like the variable "o" is used:
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int varused_test;
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int varused;
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// write an array of C characters (adds a null):
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void write_cstring(const char *s, int length) {
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if (varused_test) {
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varused = 1;
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return;
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}
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// if we are rendering to the source code preview window, and the text is
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// longer than four lines, we only render a placeholder.
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if (write_sourceview && ((s==NULL) || (length>300))) {
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if (length>=0)
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fprintf(code_file, "\" ... %d bytes of text... \"", length);
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else
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fprintf(code_file, "\" ... text... \"");
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return;
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}
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if (length==-1 || s==0L) {
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fprintf(code_file, "\n#error string not found\n");
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fprintf(code_file, "\" ... undefined size text... \"");
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return;
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}
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const char *p = s;
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const char *e = s+length;
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int linelength = 1;
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putc('\"', code_file);
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for (; p < e;) {
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int c = *p++;
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switch (c) {
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case '\b': c = 'b'; goto QUOTED;
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case '\t': c = 't'; goto QUOTED;
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case '\n': c = 'n'; goto QUOTED;
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case '\f': c = 'f'; goto QUOTED;
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case '\r': c = 'r'; goto QUOTED;
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case '\"':
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case '\'':
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case '\\':
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QUOTED:
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if (linelength >= 77) {fputs("\\\n",code_file); linelength = 0;}
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putc('\\', code_file);
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putc(c, code_file);
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linelength += 2;
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break;
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case '?': // prevent trigraphs by writing ?? as ?\?
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if (p-2 >= s && *(p-2) == '?') goto QUOTED;
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// else fall through:
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default:
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if (c >= ' ' && c < 127) {
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// a legal ASCII character
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if (linelength >= 78) {fputs("\\\n",code_file); linelength = 0;}
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putc(c, code_file);
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linelength++;
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break;
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}
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// otherwise we must print it as an octal constant:
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c &= 255;
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if (c < 8) {
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if (linelength >= 76) {fputs("\\\n",code_file); linelength = 0;}
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fprintf(code_file, "\\%o",c);
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linelength += 2;
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} else if (c < 64) {
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if (linelength >= 75) {fputs("\\\n",code_file); linelength = 0;}
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fprintf(code_file, "\\%o",c);
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linelength += 3;
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} else {
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if (linelength >= 74) {fputs("\\\n",code_file); linelength = 0;}
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fprintf(code_file, "\\%o",c);
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linelength += 4;
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}
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// We must not put more numbers after it, because some C compilers
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// consume them as part of the quoted sequence. Use string constant
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// pasting to avoid this:
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c = *p;
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if (p < e && ( (c>='0'&&c<='9') || (c>='a'&&c<='f') || (c>='A'&&c<='F') )) {
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putc('\"', code_file); linelength++;
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if (linelength >= 79) {fputs("\n",code_file); linelength = 0;}
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putc('\"', code_file); linelength++;
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}
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break;
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}
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}
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putc('\"', code_file);
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}
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// write a C string, quoting characters if necessary:
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void write_cstring(const char *s) {write_cstring(s, (int)strlen(s));}
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// write an array of C binary data (does not add a null):
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void write_cdata(const char *s, int length) {
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if (varused_test) {
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varused = 1;
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return;
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}
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if (write_sourceview) {
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if (length>=0)
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fprintf(code_file, "{ /* ... %d bytes of binary data... */ }", length);
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else
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fprintf(code_file, "{ /* ... binary data... */ }");
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return;
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}
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if (length==-1) {
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fprintf(code_file, "\n#error data not found\n");
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fprintf(code_file, "{ /* ... undefined size binary data... */ }");
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return;
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}
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const unsigned char *w = (const unsigned char *)s;
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const unsigned char *e = w+length;
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int linelength = 1;
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putc('{', code_file);
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for (; w < e;) {
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unsigned char c = *w++;
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if (c>99) linelength += 4;
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else if (c>9) linelength += 3;
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else linelength += 2;
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if (linelength >= 77) {fputs("\n",code_file); linelength = 0;}
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fprintf(code_file, "%d", c);
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if (w<e) putc(',', code_file);
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}
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putc('}', code_file);
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}
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void vwrite_c(const char* format, va_list args) {
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if (varused_test) {
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varused = 1;
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return;
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}
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vfprintf(code_file, format, args);
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}
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void write_c(const char* format,...) {
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va_list args;
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va_start(args, format);
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vwrite_c(format, args);
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va_end(args);
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}
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// write code (c) of size (n) to C file, with optional comment (com) w/o trailing space
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void write_cc(const char *indent, int n, const char *c, const char *com) {
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if (*com)
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write_c("%s%.*s; %s\n", indent, n, c, com);
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else
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write_c("%s%.*s;\n", indent, n, c);
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}
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void write_h(const char* format,...) {
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if (varused_test) return;
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va_list args;
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va_start(args, format);
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vfprintf(header_file, format, args);
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va_end(args);
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}
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// write code (c) of size (n) to H file, with optional comment (com) w/o trailing space
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void write_hc(const char *indent, int n, const char* c, const char *com) {
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if (*com)
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write_h("%s%.*s; %s\n", indent, n, c, com);
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else
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write_h("%s%.*s;\n", indent, n, c);
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}
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#include <FL/filename.H>
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int write_number;
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int write_sourceview;
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extern Fl_Widget_Class_Type *current_widget_class;
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// recursively dump code, putting children between the two parts
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// of the parent code:
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static Fl_Type* write_code(Fl_Type* p) {
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if (write_sourceview) {
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p->code_position = (int)ftell(code_file);
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if (p->header_position_end==-1)
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p->header_position = (int)ftell(header_file);
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}
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// write all code that come before the children code
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// (but don't write the last comment until the very end)
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if (!(p==Fl_Type::last && p->is_comment()))
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p->write_code1();
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// recursively write the code of all children
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Fl_Type* q;
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if (p->is_widget() && p->is_class()) {
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// Handle widget classes specially
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for (q = p->next; q && q->level > p->level;) {
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if (strcmp(q->type_name(), "Function")) q = write_code(q);
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else {
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int level = q->level;
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do {
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q = q->next;
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} while (q && q->level > level);
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}
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}
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// write all code that come after the children
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p->write_code2();
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for (q = p->next; q && q->level > p->level;) {
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if (!strcmp(q->type_name(), "Function")) q = write_code(q);
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else {
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int level = q->level;
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do {
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q = q->next;
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} while (q && q->level > level);
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}
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}
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write_h("};\n");
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current_widget_class = 0L;
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} else {
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for (q = p->next; q && q->level > p->level;) q = write_code(q);
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// write all code that come after the children
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p->write_code2();
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}
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if (write_sourceview) {
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p->code_position_end = (int)ftell(code_file);
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if (p->header_position_end==-1)
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p->header_position_end = (int)ftell(header_file);
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}
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return q;
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}
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extern const char* header_file_name;
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extern Fl_Class_Type *current_class;
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/** \brief Write the source and header files for the current design.
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If the files already exist, they will be overwritten.
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\param[in] s filename of source code file
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\param[in] t filename of the header file
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\return 0 if the operation failed, 1 if it was successful
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*/
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int write_code(const char *s, const char *t) {
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const char *filemode = "w";
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if (write_sourceview)
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filemode = "wb";
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write_number++;
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delete id_root; id_root = 0;
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indentation = 0;
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current_class = 0L;
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current_widget_class = 0L;
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if (!s) code_file = stdout;
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else {
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FILE *f = fl_fopen(s, filemode);
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if (!f) return 0;
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code_file = f;
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}
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if (!t) header_file = stdout;
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else {
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FILE *f = fl_fopen(t, filemode);
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if (!f) {fclose(code_file); return 0;}
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header_file = f;
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}
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// if the first entry in the Type tree is a comment, then it is probably
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// a copyright notice. We print that before anything else in the file!
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Fl_Type* first_type = Fl_Type::first;
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if (first_type && first_type->is_comment()) {
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if (write_sourceview) {
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first_type->code_position = (int)ftell(code_file);
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first_type->header_position = (int)ftell(header_file);
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}
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// it is ok to write non-recusive code here, because comments have no children or code2 blocks
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first_type->write_code1();
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if (write_sourceview) {
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first_type->code_position_end = (int)ftell(code_file);
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first_type->header_position_end = (int)ftell(header_file);
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}
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first_type = first_type->next;
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}
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const char *hdr = "\
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// generated by Fast Light User Interface Designer (fluid) version %.4f\n\n";
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fprintf(header_file, hdr, FL_VERSION);
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fprintf(code_file, hdr, FL_VERSION);
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{char define_name[102];
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const char* a = fl_filename_name(t);
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char* b = define_name;
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if (!isalpha(*a)) {*b++ = '_';}
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while (*a) {*b++ = isalnum(*a) ? *a : '_'; a++;}
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*b = 0;
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fprintf(header_file, "#ifndef %s\n", define_name);
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fprintf(header_file, "#define %s\n", define_name);
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}
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write_declare("#include <FL/Fl.H>");
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if (i18n_type && i18n_include[0]) {
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if (i18n_include[0] != '<' &&
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i18n_include[0] != '\"')
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write_c("#include \"%s\"\n", i18n_include);
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else
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write_c("#include %s\n", i18n_include);
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if (i18n_type == 2) {
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if (i18n_file[0]) write_c("extern nl_catd %s;\n", i18n_file);
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else {
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write_c("// Initialize I18N stuff now for menus...\n");
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write_c("#include <locale.h>\n");
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write_c("static char *_locale = setlocale(LC_MESSAGES, \"\");\n");
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write_c("static nl_catd _catalog = catopen(\"%s\", 0);\n",
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i18n_program);
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}
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}
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}
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if (t && include_H_from_C) {
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if (*header_file_name == '.' && strchr(header_file_name, '/') == NULL) {
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write_c("#include \"%s\"\n", fl_filename_name(t));
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} else {
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write_c("#include \"%s\"\n", t);
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}
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}
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for (Fl_Type* p = first_type; p;) {
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// write all static data for this & all children first
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if (write_sourceview) p->header_position = (int)ftell(header_file);
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p->write_static();
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if (write_sourceview) {
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p->header_position_end = (int)ftell(header_file);
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if (p->header_position==p->header_position_end) p->header_position_end = -1;
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}
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for (Fl_Type* q = p->next; q && q->level > p->level; q = q->next) {
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if (write_sourceview) q->header_position = (int)ftell(header_file);
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q->write_static();
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if (write_sourceview) {
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q->header_position_end = (int)ftell(header_file);
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if (q->header_position==q->header_position_end) q->header_position_end = -1;
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}
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}
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// then write the nested code:
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p = write_code(p);
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}
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delete included_root; included_root = 0;
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if (!s) return 1;
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fprintf(header_file, "#endif\n");
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Fl_Type* last_type = Fl_Type::last;
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if (last_type && last_type->is_comment()) {
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if (write_sourceview) {
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last_type->code_position = (int)ftell(code_file);
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last_type->header_position = (int)ftell(header_file);
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}
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last_type->write_code1();
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if (write_sourceview) {
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last_type->code_position_end = (int)ftell(code_file);
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last_type->header_position_end = (int)ftell(header_file);
|
|
}
|
|
}
|
|
|
|
int x = fclose(code_file);
|
|
code_file = 0;
|
|
int y = fclose(header_file);
|
|
header_file = 0;
|
|
return x >= 0 && y >= 0;
|
|
}
|
|
|
|
int write_strings(const char *sfile) {
|
|
FILE *fp = fl_fopen(sfile, "w");
|
|
Fl_Type *p;
|
|
Fl_Widget_Type *w;
|
|
int i;
|
|
|
|
if (!fp) return 1;
|
|
|
|
switch (i18n_type) {
|
|
case 0 : /* None, just put static text out */
|
|
fprintf(fp, "# generated by Fast Light User Interface Designer (fluid) version %.4f\n",
|
|
FL_VERSION);
|
|
for (p = Fl_Type::first; p; p = p->next) {
|
|
if (p->is_widget()) {
|
|
w = (Fl_Widget_Type *)p;
|
|
|
|
if (w->label()) {
|
|
for (const char *s = w->label(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
putc('\n', fp);
|
|
}
|
|
|
|
if (w->tooltip()) {
|
|
for (const char *s = w->tooltip(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
putc('\n', fp);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 1 : /* GNU gettext, put a .po file out */
|
|
fprintf(fp, "# generated by Fast Light User Interface Designer (fluid) version %.4f\n",
|
|
FL_VERSION);
|
|
for (p = Fl_Type::first; p; p = p->next) {
|
|
if (p->is_widget()) {
|
|
w = (Fl_Widget_Type *)p;
|
|
|
|
if (w->label()) {
|
|
const char *s;
|
|
|
|
fputs("msgid \"", fp);
|
|
for (s = w->label(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
fputs("\"\n", fp);
|
|
|
|
fputs("msgstr \"", fp);
|
|
for (s = w->label(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
fputs("\"\n", fp);
|
|
}
|
|
|
|
if (w->tooltip()) {
|
|
const char *s;
|
|
|
|
fputs("msgid \"", fp);
|
|
for (s = w->tooltip(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
fputs("\"\n", fp);
|
|
|
|
fputs("msgstr \"", fp);
|
|
for (s = w->tooltip(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
fputs("\"\n", fp);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 2 : /* POSIX catgets, put a .msg file out */
|
|
fprintf(fp, "$ generated by Fast Light User Interface Designer (fluid) version %.4f\n",
|
|
FL_VERSION);
|
|
fprintf(fp, "$set %s\n", i18n_set);
|
|
fputs("$quote \"\n", fp);
|
|
|
|
for (i = 1, p = Fl_Type::first; p; p = p->next) {
|
|
if (p->is_widget()) {
|
|
w = (Fl_Widget_Type *)p;
|
|
|
|
if (w->label()) {
|
|
fprintf(fp, "%d \"", i ++);
|
|
for (const char *s = w->label(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
fputs("\"\n", fp);
|
|
}
|
|
|
|
if (w->tooltip()) {
|
|
fprintf(fp, "%d \"", i ++);
|
|
for (const char *s = w->tooltip(); *s; s ++)
|
|
if (*s < 32 || *s > 126 || *s == '\"')
|
|
fprintf(fp, "\\%03o", *s);
|
|
else
|
|
putc(*s, fp);
|
|
fputs("\"\n", fp);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return fclose(fp);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////
|
|
|
|
void Fl_Type::write_static() {}
|
|
void Fl_Type::write_code1() {
|
|
write_h("// Header for %s\n", title());
|
|
write_c("// Code for %s\n", title());
|
|
}
|
|
void Fl_Type::write_code2() {}
|