Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/markdown_it/rules_inline/image.py: 98%

1# Process  

2from __future__ import annotations 

3 

4from ..common.utils import isStrSpace, normalizeReference 

5from ..token import Token 

6from .state_inline import StateInline 

7 

8 

9def image(state: StateInline, silent: bool) -> bool: 

10 label = None 

11 href = "" 

12 oldPos = state.pos 

13 max = state.posMax 

14 

15 if state.src[state.pos] != "!": 

16 return False 

17 

18 if state.pos + 1 < state.posMax and state.src[state.pos + 1] != "[": 

19 return False 

20 

21 labelStart = state.pos + 2 

22 labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, False) 

23 

24 # parser failed to find ']', so it's not a valid link 

25 if labelEnd < 0: 

26 return False 

27 

28 pos = labelEnd + 1 

29 

30 if pos < max and state.src[pos] == "(": 

31 # 

32 # Inline link 

33 # 

34 

35 # [link]( <href> "title" ) 

36 # ^^ skipping these spaces 

37 pos += 1 

38 while pos < max: 

39 ch = state.src[pos] 

40 if not isStrSpace(ch) and ch != "\n": 

41 break 

42 pos += 1 

43 

44 if pos >= max: 

45 return False 

46 

47 # [link]( <href> "title" ) 

48 # ^^^^^^ parsing link destination 

49 start = pos 

50 res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax) 

51 if res.ok: 

52 href = state.md.normalizeLink(res.str) 

53 if state.md.validateLink(href): 

54 pos = res.pos 

55 else: 

56 href = "" 

57 

58 # [link]( <href> "title" ) 

59 # ^^ skipping these spaces 

60 start = pos 

61 while pos < max: 

62 ch = state.src[pos] 

63 if not isStrSpace(ch) and ch != "\n": 

64 break 

65 pos += 1 

66 

67 # [link]( <href> "title" ) 

68 # ^^^^^^^ parsing link title 

69 res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax) 

70 if pos < max and start != pos and res.ok: 

71 title = res.str 

72 pos = res.pos 

73 

74 # [link]( <href> "title" ) 

75 # ^^ skipping these spaces 

76 while pos < max: 

77 ch = state.src[pos] 

78 if not isStrSpace(ch) and ch != "\n": 

79 break 

80 pos += 1 

81 else: 

82 title = "" 

83 

84 if pos >= max or state.src[pos] != ")": 

85 state.pos = oldPos 

86 return False 

87 

88 pos += 1 

89 

90 else: 

91 # 

92 # Link reference 

93 # 

94 if "references" not in state.env: 

95 return False 

96 

97 # /* [ */ 

98 if pos < max and state.src[pos] == "[": 

99 start = pos + 1 

100 pos = state.md.helpers.parseLinkLabel(state, pos) 

101 if pos >= 0: 

102 label = state.src[start:pos] 

103 pos += 1 

104 else: 

105 pos = labelEnd + 1 

106 else: 

107 pos = labelEnd + 1 

108 

109 # covers label == '' and label == undefined 

110 # (collapsed reference link and shortcut reference link respectively) 

111 if not label: 

112 label = state.src[labelStart:labelEnd] 

113 

114 label = normalizeReference(label) 

115 

116 ref = state.env["references"].get(label, None) 

117 if not ref: 

118 state.pos = oldPos 

119 return False 

120 

121 href = ref["href"] 

122 title = ref["title"] 

123 

124 # 

125 # We found the end of the link, and know for a fact it's a valid link 

126 # so all that's left to do is to call tokenizer. 

127 # 

128 if not silent: 

129 content = state.src[labelStart:labelEnd] 

130 

131 tokens: list[Token] = [] 

132 state.md.inline.parse(content, state.md, state.env, tokens) 

133 

134 token = state.push("image", "img", 0) 

135 token.attrs = {"src": href, "alt": ""} 

136 token.children = tokens or None 

137 token.content = content 

138 

139 if title: 

140 token.attrSet("title", title) 

141 

142 # note, this is not part of markdown-it JS, but is useful for renderers 

143 if label and state.md.options.get("store_labels", False): 

144 token.meta["label"] = label 

145 

146 state.pos = pos 

147 state.posMax = max 

148 return True