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LibPDF: Rename Command to Operator

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This is the correct name, according to the spec
This commit is contained in:
Matthew Olsson 2022-03-25 15:00:11 -07:00 • committed by Andreas Kling
parent 49cb040c27
commit 468ceb1b48
5 changed files with 65 additions and 65 deletions
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187
Userland/Libraries/LibPDF/Operator.h Normal file
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/*
* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Format.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/Vector.h>
#include <LibPDF/Value.h>
#define ENUMERATE_OPERATORS(V) \
V(SaveState, save_state, q) \
V(RestoreState, restore_state, Q) \
V(ConcatenateMatrix, concatenate_matrix, cm) \
V(SetLineWidth, set_line_width, w) \
V(SetLineCap, set_line_cap, J) \
V(SetLineJoin, set_line_join, j) \
V(SetMiterLimit, set_miter_limit, M) \
V(SetDashPattern, set_dash_pattern, d) \
V(SetColorRenderingIntent, set_color_rendering_intent, ri) \
V(SetFlatnessTolerance, set_flatness_tolerance, i) \
V(SetGraphicsStateFromDict, set_graphics_state_from_dict, gs) \
V(PathMove, path_move, m) \
V(PathLine, path_line, l) \
V(PathCubicBezierCurve, path_cubic_bezier_curve, c) \
V(PathCubicBezierCurveNoFirstControl, path_cubic_bezier_curve_no_first_control, v) \
V(PathCubicBezierCurveNoSecondControl, path_cubic_bezier_curve_no_second_control, y) \
V(PathClose, path_close, h) \
V(PathAppendRect, path_append_rect, re) \
V(PathStroke, path_stroke, S) \
V(PathCloseAndStroke, path_close_and_stroke, s) \
V(PathFillNonZero, path_fill_nonzero, f) \
V(PathFillNonZeroDeprecated, path_fill_nonzero_deprecated, F) \
V(PathFillEvenOdd, path_fill_evenodd, f*) \
V(PathFillStrokeNonZero, path_fill_stroke_nonzero, B) \
V(PathFillStrokeEvenOdd, path_fill_stroke_evenodd, B*) \
V(PathCloseFillStrokeNonZero, path_close_fill_stroke_nonzero, b) \
V(PathCloseFillStrokeEvenOdd, path_close_fill_stroke_evenodd, b*) \
V(PathEnd, path_end, n) \
V(PathIntersectClipNonZero, path_intersect_clip_nonzero, W) \
V(PathIntersectClipEvenOdd, path_intersect_clip_evenodd, W*) \
V(TextBegin, text_begin, BT) \
V(TextEnd, text_end, ET) \
V(TextSetCharSpace, text_set_char_space, Tc) \
V(TextSetWordSpace, text_set_word_space, Tw) \
V(TextSetHorizontalScale, text_set_horizontal_scale, Tz) \
V(TextSetLeading, text_set_leading, TL) \
V(TextSetFont, text_set_font, Tf) \
V(TextSetRenderingMode, text_set_rendering_mode, Tr) \
V(TextSetRise, text_set_rise, Ts) \
V(TextNextLineOffset, text_next_line_offset, Td) \
V(TextNextLineAndSetLeading, text_next_line_and_set_leading, TD) \
V(TextSetMatrixAndLineMatrix, text_set_matrix_and_line_matrix, Tm) \
V(TextNextLine, text_next_line, T*) \
V(TextShowString, text_show_string, Tj) \
V(TextShowStringArray, text_show_string_array, TJ) \
V(Type3FontSetGlyphWidth, type3_font_set_glyph_width, d0) \
V(Type3FontSetGlyphWidthAndBBox, type3_font_set_glyph_width_and_bbox, d1) \
V(SetStrokingSpace, set_stroking_space, CS) \
V(SetPaintingSpace, set_painting_space, cs) \
V(SetStrokingColor, set_stroking_color, SC) \
V(SetStrokingColorExtended, set_stroking_color_extended, SCN) \
V(SetPaintingColor, set_painting_color, sc) \
V(SetPaintingColorExtended, set_painting_color_extended, scn) \
V(SetStrokingColorAndSpaceToGray, set_stroking_color_and_space_to_gray, G) \
V(SetPaintingColorAndSpaceToGray, set_painting_color_and_space_to_gray, g) \
V(SetStrokingColorAndSpaceToRGB, set_stroking_color_and_space_to_rgb, RG) \
V(SetPaintingColorAndSpaceToRGB, set_painting_color_and_space_to_rgb, rg) \
V(SetStrokingColorAndSpaceToCMYK, set_stroking_color_and_space_to_cmyk, K) \
V(SetPaintingColorAndSpaceToCMYK, set_painting_color_and_space_to_cmyk, k) \
V(Shade, shade, sh) \
V(InlineImageBegin, inline_image_begin, BI) \
V(InlineImageBeginData, inline_image_begin_data, ID) \
V(InlineImageEnd, inline_image_end, EI) \
V(PaintXObject, paint_xobject, Do) \
V(MarkedContentPoint, marked_content_point, MP) \
V(MarkedContentDesignate, marked_content_designate, DP) \
V(MarkedContentBegin, marked_content_begin, BMC) \
V(MarkedContentBeginWithPropertyList, marked_content_begin_with_property_list, BDC) \
V(MarkedContentEnd, marked_content_end, EMC) \
V(CompatibilityBegin, compatibility_begin, BX) \
V(CompatibilityEnd, compatibility_end, EX)
namespace PDF {
enum class OperatorType {
#define V(name, snake_name, symbol) name,
ENUMERATE_OPERATORS(V)
#undef V
TextNextLineShowString,
TextNextLineShowStringSetSpacing,
};
class Operator {
public:
static OperatorType operator_type_from_symbol(StringView symbol_string)
{
#define V(name, snake_name, symbol) \
if (symbol_string == #symbol) \
return OperatorType::name;
ENUMERATE_OPERATORS(V)
#undef V
if (symbol_string == "'")
return OperatorType::TextNextLineShowString;
if (symbol_string == "''")
return OperatorType::TextNextLineShowStringSetSpacing;
dbgln("unsupported graphics symbol {}", symbol_string);
VERIFY_NOT_REACHED();
}
static const char* operator_name(OperatorType operator_type)
{
#define V(name, snake_name, symbol) \
if (operator_type == OperatorType::name) \
return #name;
ENUMERATE_OPERATORS(V)
#undef V
if (operator_type == OperatorType::TextNextLineShowString)
return "TextNextLineShowString";
if (operator_type == OperatorType::TextNextLineShowStringSetSpacing)
return "TextNextLineShowStringSetSpacing";
VERIFY_NOT_REACHED();
}
static const char* operator_symbol(OperatorType operator_type)
{
#define V(name, snake_name, symbol) \
if (operator_type == OperatorType::name) \
return #symbol;
ENUMERATE_OPERATORS(V)
#undef V
if (operator_type == OperatorType::TextNextLineShowString)
return "'";
if (operator_type == OperatorType::TextNextLineShowStringSetSpacing)
return "''";
VERIFY_NOT_REACHED();
}
Operator(OperatorType operator_type, Vector<Value> arguments)
: m_operator_type(operator_type)
, m_arguments(move(arguments))
{
}
[[nodiscard]] ALWAYS_INLINE OperatorType type() const { return m_operator_type; }
[[nodiscard]] ALWAYS_INLINE Vector<Value> const& arguments() const { return m_arguments; }
private:
OperatorType m_operator_type;
Vector<Value> m_arguments;
};
}
namespace AK {
template<>
struct Formatter<PDF::Operator> : Formatter<StringView> {
ErrorOr<void> format(FormatBuilder& format_builder, PDF::Operator const& op)
{
StringBuilder builder;
builder.appendff("{} ({})",
PDF::Operator::operator_name(op.type()),
PDF::Operator::operator_symbol(op.type()));
if (!op.arguments().is_empty()) {
builder.append(" [");
for (auto& argument : op.arguments())
builder.appendff(" {}", argument);
builder.append(" ]");
}
return Formatter<StringView>::format(format_builder, builder.to_string());
}
};
}