diff options
Diffstat (limited to 'fluid/io/String_Writer.cxx')
| -rw-r--r-- | fluid/io/String_Writer.cxx | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/fluid/io/String_Writer.cxx b/fluid/io/String_Writer.cxx new file mode 100644 index 000000000..6b70ec1f3 --- /dev/null +++ b/fluid/io/String_Writer.cxx @@ -0,0 +1,142 @@ +// +// String File Writer code for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2025 by Bill Spitzak and others. +// +// This library is free software. Distribution and use rights are outlined in +// the file "COPYING" which should have been included with this file. If this +// file is missing or damaged, see the license at: +// +// https://www.fltk.org/COPYING.php +// +// Please see the following page on how to report bugs and issues: +// +// https://www.fltk.org/bugs.php +// + +#include "io/String_Writer.h" + +#include "Fluid.h" +#include "Project.h" +#include "nodes/Window_Node.h" +#include "nodes/Function_Node.h" + +using namespace fld; +using namespace fld::io; + +/** + Write a string to a file, replacing all non-ASCII characters with octal codes. + \param[in] out output file + \param[in] text write this NUL terminated utf-8 string + \return EOF if any of the file access calls failed, 0 if OK + */ +static int write_escaped_strings(FILE *out, const char *text) { + int ret = 0; + const unsigned char *utf8_text = (const unsigned char *)text; + for (const unsigned char *s = utf8_text; *s; ++s) { + unsigned char c = *s; + // escape control characters, delete, all utf-8, and the double quotes + // note: we should have an option in the project settings to allow utf-8 + // characters in the output text and not escape them + if (c < 32 || c > 126 || c == '\"') { + if (c == '\r') { + ret = fputs("\\r", out); + } else if (c == '\n') { + ret = fputs("\\n", out); + } else { + ret = fprintf(out, "\\%03o", c); + } + } else { + ret = putc((int)c, out); + } + } + return ret; +} + +/** + Write a file that contains all label and tooltip strings for internationalization. + The user is responsible to set the right file name extension. The file format + is determined by `proj_.i18n_type`. + \param[in] filename file path and name to a file that will hold the strings + \return 1 if the file could not be opened for writing, or the result of `fclose`. + */ +int fld::io::write_strings(Project &proj, const std::string &filename) { + Node *p; + Widget_Node *w; + int i; + + FILE *fp = fl_fopen(filename.c_str(), "wb"); + if (!fp) return 1; + + switch (proj.i18n_type) { + case fld::I18n_Type::NONE : /* None, just put static text out */ + fprintf(fp, "# generated by Fast Light User Interface Designer (fluid) version %.4f\n", + FL_VERSION); + for (auto w: proj.tree.all_widgets()) { + if (w->label()) { + write_escaped_strings(fp, w->label()); + putc('\n', fp); + } + if (w->tooltip()) { + write_escaped_strings(fp, w->tooltip()); + putc('\n', fp); + } + } + break; + case fld::I18n_Type::GNU : /* GNU gettext, put a .po file out */ + fprintf(fp, "# generated by Fast Light User Interface Designer (fluid) version %.4f\n", + FL_VERSION); + for (p = proj.tree.first; p; p = p->next) { + if (p->is_widget()) { + w = (Widget_Node *)p; + + if (w->label()) { + fputs("msgid \"", fp); + write_escaped_strings(fp, w->label()); + fputs("\"\n", fp); + + fputs("msgstr \"", fp); + write_escaped_strings(fp, w->label()); + fputs("\"\n", fp); + } + + if (w->tooltip()) { + fputs("msgid \"", fp); + write_escaped_strings(fp, w->tooltip()); + fputs("\"\n", fp); + + fputs("msgstr \"", fp); + write_escaped_strings(fp, w->tooltip()); + fputs("\"\n", fp); + } + } + } + break; + case fld::I18n_Type::POSIX : /* POSIX catgets, put a .msg file out */ + fprintf(fp, "$ generated by Fast Light User Interface Designer (fluid) version %.4f\n", + FL_VERSION); + fprintf(fp, "$set %s\n", proj.i18n_pos_set.c_str()); + fputs("$quote \"\n", fp); + + for (i = 1, p = proj.tree.first; p; p = p->next) { + if (p->is_widget()) { + w = (Widget_Node *)p; + + if (w->label()) { + fprintf(fp, "%d \"", i ++); + write_escaped_strings(fp, w->label()); + fputs("\"\n", fp); + } + + if (w->tooltip()) { + fprintf(fp, "%d \"", i ++); + write_escaped_strings(fp, w->tooltip()); + fputs("\"\n", fp); + } + } + } + break; + } + + return fclose(fp); +} |