forked from Mirror/frr
880e24a1e4
Introduce new node type, END_GN, and remove is_leaf flags. Reorganize command_match.c & remove internal functions from command_match.h. Start rewriting command.h in command_new.h with changes for new backend. Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
#include "command.h"
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#include "command_graph.h"
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#include "command_parse.h"
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#include "command_match.h"
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#include "linklist.h"
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#define GRAMMAR_STR "CLI grammar sandbox\n"
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struct graph_node * nodegraph;
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DEFUN (grammar_test,
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grammar_test_cmd,
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"grammar parse .COMMAND",
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GRAMMAR_STR
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"command to pass to new parser\n")
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{
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const char* command = argv_concat(argv, argc, 0);
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cmd_parse_format(command, "lol", nodegraph);
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walk_graph(nodegraph, 0);
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return CMD_SUCCESS;
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}
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DEFUN (grammar_test_show,
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grammar_test_show_cmd,
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"grammar tree",
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GRAMMAR_STR
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"print current accumulated DFA\n")
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{
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walk_graph(nodegraph, 0);
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return CMD_SUCCESS;
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}
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DEFUN (grammar_test_match,
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grammar_test_match_cmd,
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"grammar match .COMMAND",
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GRAMMAR_STR
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"attempt to match input on DFA\n"
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"command to match")
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{
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const char* command = argv_concat(argv, argc, 0);
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struct list *result = match_command(nodegraph, FILTER_STRICT, command);
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if (result->count == 0) // invalid command
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fprintf(stderr, "%% Unknown command\n");
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else
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{
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fprintf(stderr, "%% Matched full input, possible completions:\n");
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char* desc = malloc(50);
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struct listnode *node;
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struct graph_node *cnode;
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// print possible next hops, if any
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for (ALL_LIST_ELEMENTS_RO(result,node,cnode)) {
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if (cnode->type == END_GN)
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fprintf(stderr, "<cr>");
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else
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fprintf(stderr, "%s\n", describe_node(cnode, desc, 50));
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}
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free(desc);
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}
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list_free(result);
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return CMD_SUCCESS;
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}
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void grammar_sandbox_init(void);
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void grammar_sandbox_init() {
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fprintf(stderr, "reinitializing graph\n");
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nodegraph = new_node(NUL_GN);
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install_element (ENABLE_NODE, &grammar_test_cmd);
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install_element (ENABLE_NODE, &grammar_test_show_cmd);
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install_element (ENABLE_NODE, &grammar_test_match_cmd);
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}
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