Initial commit
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29
Makefile
Normal file
29
Makefile
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@ -0,0 +1,29 @@
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##
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## Makefile for vt100
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##
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## Made by julien palard
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## Login <vt100@mandark.fr>
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##
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NAME = vt100
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SRC = vt100.c
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OBJ = $(SRC:.c=.o)
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CC = gcc
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INCLUDE = .
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DEFINE = _GNU_SOURCE
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CFLAGS = -O3 -Wextra -Wall -ansi -pedantic -I$(INCLUDE)
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RM = rm -f
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$(NAME): $(OBJ)
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$(CC) $(CFLAGS) -o $(NAME) $(OBJ) $(LIB)
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all:
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@make $(NAME)
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.c.o:
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$(CC) -D $(DEFINE) -c $(CFLAGS) $< -o $(<:.c=.o)
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clean:
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$(RM) $(NAME) *~ #*# *.o *.core
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re: clean all
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201
test.c
Normal file
201
test.c
Normal file
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@ -0,0 +1,201 @@
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#include <stdlib.h>
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/*
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DECSC – Save Cursor (DEC Private)
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ESC 7
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This sequence causes the cursor position, graphic rendition, and
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character set to be saved. (See DECRC).
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*/
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void DECSC(struct vt100 * vt100)
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{
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}
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/*
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DECRC – Restore Cursor (DEC Private)
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ESC 8
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This sequence causes the previously saved cursor position, graphic
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rendition, and character set to be restored.
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*/
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void DECRC(struct vt100 * vt100)
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{
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}
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/*
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IND – Index
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ESC D
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This sequence causes the active position to move downward one line
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without changing the column position. If the active position is at the
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bottom margin, a scroll up is performed. Format Effector
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*/
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void IND(struct vt100 * vt100)
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{
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}
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/*
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NEL – Next Line
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ESC E
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This sequence causes the active position to move to the first position
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on the next line downward. If the active position is at the bottom
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margin, a scroll up is performed. Format Effector
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*/
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void NEL(struct vt100 * vt100)
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{
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}
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/*
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CUU – Cursor Up – Host to VT100 and VT100 to Host
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ESC [ Pn A default value: 1
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Moves the active position upward without altering the column
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position. The number of lines moved is determined by the parameter. A
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parameter value of zero or one moves the active position one line
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upward. A parameter value of n moves the active position n lines
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upward. If an attempt is made to move the cursor above the top margin,
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the cursor stops at the top margin. Editor Function
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*/
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void CUU(struct vt100 * vt100)
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{
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}
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/*
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CUD – Cursor Down – Host to VT100 and VT100 to Host
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ESC [ Pn B default value: 1
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The CUD sequence moves the active position downward without altering
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the column position. The number of lines moved is determined by the
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parameter. If the parameter value is zero or one, the active position
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is moved one line downward. If the parameter value is n, the active
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position is moved n lines downward. In an attempt is made to move the
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cursor below the bottom margin, the cursor stops at the bottom
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margin. Editor Function
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*/
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void CUD(struct vt100 * vt100)
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{
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}
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/*
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CUF – Cursor Forward – Host to VT100 and VT100 to Host
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ESC [ Pn C default value: 1
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The CUF sequence moves the active position to the right. The distance
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moved is determined by the parameter. A parameter value of zero or one
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moves the active position one position to the right. A parameter value
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of n moves the active position n positions to the right. If an attempt
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is made to move the cursor to the right of the right margin, the
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cursor stops at the right margin. Editor Function
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*/
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void CUF(struct vt100 * vt100)
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{
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}
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/*
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CUB – Cursor Backward – Host to VT100 and VT100 to Host
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ESC [ Pn D default value: 1
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The CUB sequence moves the active position to the left. The distance
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moved is determined by the parameter. If the parameter value is zero
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or one, the active position is moved one position to the left. If the
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parameter value is n, the active position is moved n positions to the
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left. If an attempt is made to move the cursor to the left of the left
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margin, the cursor stops at the left margin. Editor Function
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*/
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void CUB(struct vt100 * vt100)
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{
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}
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/*
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CUP – Cursor Position
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ESC [ Pn ; Pn H default value: 1
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The CUP sequence moves the active position to the position specified
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by the parameters. This sequence has two parameter values, the first
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specifying the line position and the second specifying the column
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position. A parameter value of zero or one for the first or second
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parameter moves the active position to the first line or column in the
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display, respectively. The default condition with no parameters
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present is equivalent to a cursor to home action. In the VT100, this
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control behaves identically with its format effector counterpart,
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HVP. Editor Function
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The numbering of lines depends on the state of the Origin Mode
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(DECOM).
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*/
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void CUP(struct vt100 * vt100)
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{
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}
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/*
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ED – Erase In Display
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ESC [ Ps J default value: 0
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This sequence erases some or all of the characters in the display
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according to the parameter. Any complete line erased by this sequence
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will return that line to single width mode. Editor Function
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Parameter Parameter Meaning
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0 Erase from the active position to the end of the screen,
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inclusive (default)
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1 Erase from start of the screen to the active position, inclusive
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2 Erase all of the display – all lines are erased, changed to
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single-width, and the cursor does not move.
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*/
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void ED(struct vt100 * vt100)
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{
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}
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/*
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EL – Erase In Line
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ESC [ Ps K default value: 0
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Erases some or all characters in the active line according to the
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parameter. Editor Function
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Parameter Parameter Meaning
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0 Erase from the active position to the end of the line, inclusive
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(default)
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1 Erase from the start of the screen to the active position, inclusive
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2 Erase all of the line, inclusive
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*/
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void EL(struct vt100 * vt100)
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{
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}
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/*
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HVP – Horizontal and Vertical Position
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ESC [ Pn ; Pn f default value: 1
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Moves the active position to the position specified by the
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parameters. This sequence has two parameter values, the first
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specifying the line position and the second specifying the column. A
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parameter value of either zero or one causes the active position to
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move to the first line or column in the display, respectively. The
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default condition with no parameters present moves the active position
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to the home position. In the VT100, this control behaves identically
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with its editor function counterpart, CUP. The numbering of lines and
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columns depends on the reset or set state of the origin mode
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(DECOM). Format Effector
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*/
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void HVP(struct vt100 * vt100)
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{
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}
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int main(int ac, char **av)
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{
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return EXIT_SUCCESS;
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}
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160
vt100.c
Normal file
160
vt100.c
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@ -0,0 +1,160 @@
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#include <stdlib.h>
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#include "vt100.h"
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/*
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* Source : http://vt100.net/docs/vt100-ug/chapter3.html#S3.3
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* It's a vt100 implementation, that implements ANSI control function.
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*/
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/*
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* Vocabulary
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* CSI | Control Sequence Introducer | ESC [
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* Pn | Numeric parameter | [0-9]+
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* Ps | Selective parameter |
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* | Parameter string | List of parameters separated by ';'
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*/
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/*
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* Control sequences - VT100 to host ( write )
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* CPR | Cursor Position Report | ESC [ Pn ; Pn R
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*
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*
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* Control sequencs - Host to VT100 AND VT100 to host ( read write )
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* CUB | Cursor Backward | ESC [ Pn D
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*
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*/
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/*
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* Naming convention :
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* [rw]_shortname(struct vt100emul vt100, ...);
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* So CPR is w_CPR(struct vt100emul vt100, int pn1, int pn2);
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* And CUB is r_CUB(struct vt100emul vt100, int pn1, int pn2);
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* AND w_CUB(struct vt100emul vt100, int pn1, int pn2);
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*/
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void vt100_push(struct vt100_emul *vt100, char c)
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{
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if (vt100->stack_ptr >= VT100_STACK_SIZE)
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return ;
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vt100->stack[vt100->stack_ptr++] = c;
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}
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void vt100_parse_params(struct vt100_emul *vt100)
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{
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unsigned int i;
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vt100->argc = 0;
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vt100->argv[0] = 0;
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for (i = 0; i < vt100->stack_ptr; ++i)
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{
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if (vt100->stack[i] >= '0' && vt100->stack[i] <= '9')
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{
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vt100->argv[vt100->argc] = vt100->argv[vt100->argc] * 10
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+ vt100->stack[i] - '0';
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}
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else if (vt100->stack[i] == ';')
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{
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vt100->argc += 1;
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vt100->argv[vt100->argc] = 0;
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}
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}
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}
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void vt100_call_CSI(struct vt100_emul *vt100, char c)
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{
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if (c < 'A' || c > 'z')
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return ;
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if (((vt100_action *)vt100->csi_callbacks)[c - 'A'] == NULL)
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return ;
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vt100_parse_params(vt100);
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((vt100_action *)vt100->csi_callbacks)[c - 'A'](vt100);
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}
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void vt100_call_ESC(struct vt100_emul *vt100, char c)
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{
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if (c < '0' || c > 'z')
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return ;
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if (((vt100_action *)vt100->esc_callbacks)[c - '0'] == NULL)
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return ;
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((vt100_action *)vt100->esc_callbacks)[c - '0'](vt100);
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}
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void vt100_call_HASH(struct vt100_emul *vt100, char c)
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{
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if (c < '0' || c > '9')
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return ;
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if (((vt100_action *)vt100->hash_callbacks)[c - '0'] == NULL)
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return ;
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((vt100_action *)vt100->hash_callbacks)[c - '0'](vt100);
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}
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void vt100_call_GSET(struct vt100_emul *vt100, char c)
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{
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if (c < '0' || c > 'B')
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return ;
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if (((vt100_action *)vt100->scs_callbacks)[c - '0'] == NULL)
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return ;
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((vt100_action *)vt100->scs_callbacks)[c - '0'](vt100);
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}
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void vt100_read(struct vt100_emul *vt100, char c)
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{
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if (vt100->state == INIT)
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{
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if (c != '\033')
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vt100->write(vt100, c);
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else
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vt100->state = ESC;
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}
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else if (vt100->state == ESC)
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{
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if (c == '[')
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vt100->state = CSI;
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else if (c == '#')
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vt100->state = HASH;
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else if (c == '(')
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vt100->state = G0SET;
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else if (c == ')')
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vt100->state = G1SET;
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else
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vt100_call_ESC(vt100, c);
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}
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else if (vt100->state == HASH)
|
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{
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vt100_call_HASH(vt100, c);
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}
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else if (vt100->state == G0SET || vt100->state == G1SET)
|
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{
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vt100_call_GSET(vt100, c);
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}
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else if (vt100->state == CSI)
|
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{
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if (c == ';' || (c >= '0' && c <= '9'))
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vt100_push(vt100, c);
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else
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vt100_call_CSI(vt100, c);
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}
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}
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struct vt100_emul *vt100_init(unsigned int width, unsigned int height,
|
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struct vt100_ESC_callbacks *esc,
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struct vt100_CSI_callbacks *csi,
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struct vt100_HASH_callbacks *hash,
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struct vt100_SCS_callbacks *scs)
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{
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struct vt100_emul *vt100;
|
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|
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vt100 = malloc(sizeof(*vt100));
|
||||
vt100->width = width;
|
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vt100->height = height;
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vt100->cursor_pos_x = 0;
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||||
vt100->cursor_pos_y = 0;
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vt100->stack_ptr = 0;
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vt100->csi_callbacks = csi;
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vt100->hash_callbacks = hash;
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vt100->esc_callbacks = esc;
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vt100->scs_callbacks = scs;
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vt100->state = INIT;
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return vt100;
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}
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||||
237
vt100.h
Normal file
237
vt100.h
Normal file
|
|
@ -0,0 +1,237 @@
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#ifndef __VT100_H__
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#define __VT100_H__
|
||||
|
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#define VT100_STACK_SIZE 1024
|
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|
||||
enum vt100_state
|
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{
|
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INIT,
|
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ESC,
|
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HASH,
|
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G0SET,
|
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G1SET,
|
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CSI
|
||||
};
|
||||
|
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struct vt100_emul;
|
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|
||||
typedef void (*vt100_action)(struct vt100_emul *emul);
|
||||
|
||||
/*
|
||||
** [w] -> VT100 to Host
|
||||
** [r] -> Host to VT100
|
||||
** [rw] -> VT100 to Host and Host to VT100
|
||||
** Please read http://vt100.net/docs/vt100-ug/chapter3.html#S3.3
|
||||
*/
|
||||
struct vt100_hash_callbacks
|
||||
{
|
||||
vt100_action hash_0;
|
||||
vt100_action hash_1;
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||||
vt100_action hash_2;
|
||||
vt100_action DECDHL_TOP; /* Double Height Line ESC # 3 */
|
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vt100_action DECDHL_BOTTOM; /*Double Height Line ESC # 4 */
|
||||
vt100_action DECSWL; /* Single-width Line ESC # 5 */
|
||||
vt100_action DECDWL; /* Double-Width Line ESC # 6 */
|
||||
vt100_action hash_7;
|
||||
vt100_action DECALN; /* Screen Alignment Display ESC # 8 */
|
||||
vt100_action hash_9;
|
||||
};
|
||||
|
||||
struct vt100_SCS_callbacks
|
||||
{
|
||||
vt100_action SCS_0; /* Special Graphics */
|
||||
vt100_action SCS_1; /* Alternate Character ROM Standard Character Set */
|
||||
vt100_action SCS_2; /* Alternate Character ROM Special Graphics */
|
||||
vt100_action SCS_3;
|
||||
vt100_action SCS_4;
|
||||
vt100_action SCS_5;
|
||||
vt100_action SCS_6;
|
||||
vt100_action SCS_7;
|
||||
vt100_action SCS_8;
|
||||
vt100_action SCS_9;
|
||||
|
||||
vt100_action SCS_3A;
|
||||
vt100_action SCS_3B;
|
||||
vt100_action SCS_3C;
|
||||
vt100_action SCS_3D;
|
||||
vt100_action SCS_3E;
|
||||
vt100_action SCS_3F;
|
||||
vt100_action SCS_40;
|
||||
|
||||
vt100_action SCS_A; /* United kingdom Set */
|
||||
vt100_action SCS_B; /* ASCII Set*/
|
||||
};
|
||||
|
||||
struct vt100_ESC_callbacks
|
||||
{
|
||||
vt100_action ESC_0;
|
||||
vt100_action ESC_1;
|
||||
vt100_action ESC_2;
|
||||
vt100_action ESC_3;
|
||||
vt100_action ESC_4;
|
||||
vt100_action ESC_5;
|
||||
vt100_action ESC_6;
|
||||
vt100_action DECSC; /* Save Cursor ESC 7 */
|
||||
vt100_action DECRC; /* Restore Cursor ESC 8 */
|
||||
vt100_action ESC_9;
|
||||
|
||||
vt100_action ESC_3A;
|
||||
vt100_action ESC_3B;
|
||||
vt100_action ESC_3C;
|
||||
vt100_action DECKPAM; /* Keypad Application Mode ESC = */
|
||||
vt100_action DECKPNM; /* Keypad Numeric Mode ESC > */
|
||||
vt100_action ESC_3F;
|
||||
vt100_action ESC_40;
|
||||
|
||||
vt100_action ESC_A;
|
||||
vt100_action ESC_B;
|
||||
vt100_action ESC_C;
|
||||
vt100_action IND; /* Index ESC D */
|
||||
vt100_action NEL; /* Next Line ESC E */
|
||||
vt100_action ESC_F;
|
||||
vt100_action ESC_G;
|
||||
vt100_action HTS; /* Horizontal Tabulation Set ESC H */
|
||||
vt100_action ESC_I;
|
||||
vt100_action ESC_J;
|
||||
vt100_action ESC_K;
|
||||
vt100_action ESC_L;
|
||||
vt100_action RI; /* Reverse Index ESC M */
|
||||
vt100_action ESC_N;
|
||||
vt100_action ESC_O;
|
||||
vt100_action ESC_P;
|
||||
vt100_action ESC_Q;
|
||||
vt100_action CPR; /* [w] Cursor Position Report ESC [ Pn ; Pn R */
|
||||
vt100_action ESC_S;
|
||||
vt100_action ESC_T;
|
||||
vt100_action ESC_U;
|
||||
vt100_action ESC_V;
|
||||
vt100_action ESC_W;
|
||||
vt100_action ESC_X;
|
||||
vt100_action ESC_Y;
|
||||
vt100_action DECID; /* Identify Terminal ESC Z */
|
||||
|
||||
vt100_action ESC_5B;
|
||||
vt100_action ESC_5C;
|
||||
vt100_action ESC_5D;
|
||||
vt100_action ESC_5E;
|
||||
vt100_action ESC_5F;
|
||||
vt100_action ESC_60;
|
||||
|
||||
vt100_action ESC_a;
|
||||
vt100_action ESC_b;
|
||||
vt100_action RIS; /* Reset To Initial State ESC c */
|
||||
vt100_action ESC_d;
|
||||
vt100_action ESC_e;
|
||||
vt100_action ESC_f;
|
||||
vt100_action ESC_g;
|
||||
vt100_action ESC_h;
|
||||
vt100_action ESC_i;
|
||||
vt100_action ESC_j;
|
||||
vt100_action ESC_k;
|
||||
vt100_action ESC_l;
|
||||
vt100_action ESC_m;
|
||||
vt100_action ESC_n;
|
||||
vt100_action ESC_o;
|
||||
vt100_action ESC_p;
|
||||
vt100_action ESC_q;
|
||||
vt100_action ESC_r;
|
||||
vt100_action ESC_s;
|
||||
vt100_action ESC_t;
|
||||
vt100_action ESC_u;
|
||||
vt100_action ESC_v;
|
||||
vt100_action ESC_w;
|
||||
vt100_action ESC_x;
|
||||
vt100_action ESC_y;
|
||||
vt100_action ESC_z;
|
||||
};
|
||||
|
||||
struct vt100_CSI_callbacks
|
||||
{
|
||||
vt100_action CUU; /* [rw] Cursor Up ESC [ Pn A */
|
||||
vt100_action CUD; /* [rw] Cursor Down ESC [ Pn B */
|
||||
vt100_action CUF; /* [rw] Cursor Forward ESC [ Pn C */
|
||||
vt100_action CUB; /* [rw] Cursor Backward ESC [ Pn D */
|
||||
vt100_action CSI_E;
|
||||
vt100_action CSI_F;
|
||||
vt100_action CSI_G;
|
||||
vt100_action CUP; /* [??] Cursor Position ESC [ Pn ; Pn H */
|
||||
vt100_action CSI_I;
|
||||
vt100_action ED; /* Erase In Display ESC [ Ps J */
|
||||
vt100_action EL; /* Erase In Line ESC [ Ps K */
|
||||
vt100_action CSI_L;
|
||||
vt100_action CSI_M;
|
||||
vt100_action CSI_N;
|
||||
vt100_action CSI_O;
|
||||
vt100_action CSI_P;
|
||||
vt100_action CSI_Q;
|
||||
vt100_action CPR; /* [w] Cursor Position Report ESC [ Pn ; Pn R */
|
||||
vt100_action CSI_S;
|
||||
vt100_action CSI_T;
|
||||
vt100_action CSI_U;
|
||||
vt100_action CSI_V;
|
||||
vt100_action CSI_W;
|
||||
vt100_action CSI_X;
|
||||
vt100_action CSI_Y;
|
||||
vt100_action CSI_Z;
|
||||
|
||||
vt100_action CSI_5B;
|
||||
vt100_action CSI_5C;
|
||||
vt100_action CSI_5D;
|
||||
vt100_action CSI_5E;
|
||||
vt100_action CSI_5F;
|
||||
vt100_action CSI_60;
|
||||
|
||||
vt100_action CSI_a;
|
||||
vt100_action CSI_b;
|
||||
vt100_action DA; /* [??] Device Attributes ESC [ Pn c */
|
||||
vt100_action CSI_d;
|
||||
vt100_action CSI_e;
|
||||
vt100_action HVP; /* Horiz. and Vert. Position ESC [ Pn ; Pn f */
|
||||
vt100_action TBC; /* Tabulation Clear ESC [ Ps g */
|
||||
vt100_action SM; /* Set Mode ESC [ Ps ; . . . ; Ps h */
|
||||
vt100_action CSI_i;
|
||||
vt100_action CSI_j;
|
||||
vt100_action CSI_k;
|
||||
vt100_action RM; /* Reset Mode ESC [ Ps ; Ps ; . . . ; Ps l */
|
||||
vt100_action SGR; /* Select Graphic Rendition ESC [ Ps ; . . . ; Ps m */
|
||||
vt100_action DSR; /* Device Status Report ESC [ Ps n */
|
||||
vt100_action CSI_o;
|
||||
vt100_action CSI_p;
|
||||
vt100_action DECLL; /* Load LEDS ESC [ Ps q */
|
||||
vt100_action DECSTBM; /* Set Top and Bottom Margins ESC [ Pn; Pn r */
|
||||
vt100_action CSI_s;
|
||||
vt100_action CSI_t;
|
||||
vt100_action CSI_u;
|
||||
vt100_action CSI_v;
|
||||
vt100_action CSI_w;
|
||||
vt100_action DECRE_TPARM; /* Re{port,quest} Terminal Parameters ESC [ . x */
|
||||
vt100_action DECTST; /* Invoke Confidence Test ESC [ 2 ; Ps y */
|
||||
vt100_action CSI_z;
|
||||
};
|
||||
|
||||
struct vt100_emul
|
||||
{
|
||||
unsigned int width;
|
||||
unsigned int height;
|
||||
unsigned int cursor_pos_x;
|
||||
unsigned int cursor_pos_y;
|
||||
enum vt100_state state;
|
||||
unsigned int argc;
|
||||
unsigned int argv[VT100_STACK_SIZE];
|
||||
void (*write)(struct vt100_emul *, char c);
|
||||
char stack[VT100_STACK_SIZE];
|
||||
unsigned int stack_ptr;
|
||||
struct vt100_CSI_callbacks *csi_callbacks;
|
||||
struct vt100_HASH_callbacks *hash_callbacks;
|
||||
struct vt100_ESC_callbacks *esc_callbacks;
|
||||
struct vt100_SCS_callbacks *scs_callbacks;
|
||||
};
|
||||
|
||||
struct vt100_emul *vt100_init(unsigned int width, unsigned int height,
|
||||
struct vt100_ESC_callbacks *esc,
|
||||
struct vt100_CSI_callbacks *csi,
|
||||
struct vt100_HASH_callbacks *hash,
|
||||
struct vt100_SCS_callbacks *scs);
|
||||
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user